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)
03/2013
03/27/2013CN202837438U High and low temperature environment integrated test cabinet
03/27/2013CN202837437U Test system for carrying out diagnostic test on power unit
03/27/2013CN202837436U Rectifier detecting device
03/27/2013CN202837435U Energy-saving power assessment test device for high-power inverter
03/27/2013CN202837434U Routine power assessment test platform for low-voltage medium-power power converter before leaving factory
03/27/2013CN202837433U Testing fixture
03/27/2013CN202837432U Portable electricity utilization monitoring and analyzing device and electricity utilization monitoring and analyzing system
03/27/2013CN202837431U Lightning energy extracting device used for lightning arrester monitoring equipment
03/27/2013CN202837430U AC circuit automatic check-out system platform
03/27/2013CN202837429U Automobile seat electric appliance detecting device with memory controller
03/27/2013CN202837428U RFID identifying range automatic measuring system applied in logistic conveyor lines
03/27/2013CN202837427U Wind power generation electric energy quality monitoring device
03/27/2013CN202837426U Device used for detecting current-carrying characteristics of electronic connection devices of air conditioner
03/27/2013CN202837425U Low-power consumption direct-current electronic load
03/27/2013CN202837424U Photoelectric weak signal detection system
03/27/2013CN202837423U Wireless GPRS wind power power grid electric energy quality detection device based on DSP and ARM
03/27/2013CN202837422U FPGA and DSP-based wind-power-generation electric-energy quality monitoring device
03/27/2013CN202837421U DSP and CPLD-based wind-power electrical-network electric-energy parameter detection apparatus
03/27/2013CN202837420U Industrial usb module
03/27/2013CN202837419U Novel SF6-insulated AC high-voltage test transformer apparatus
03/27/2013CN202837418U Grid-connected inverter test equipment and inverter energy recharge simulation grid test system
03/27/2013CN202837417U Mold for testing electrical performance of printed board
03/27/2013CN202837416U System for testing shielding performance of cables
03/27/2013CN202837415U Amplitude frequency characteristic testing system
03/27/2013CN202837385U Zero-cross detection circuit
03/27/2013CN202837383U System for batch measurement of battery voltage
03/27/2013CN202837377U Voltage sensor utilizing zinc oxide resistors as partial-voltage devices
03/27/2013CN202837369U Charging detection device for electric vehicle
03/27/2013CN202837355U Isolation voltage regulator
03/27/2013CN202837337U Multi-port testing expander
03/27/2013CN202837220U Mobile VFTO (very fast transient overvoltage) insulation oil circulation test system
03/27/2013CN202836998U Snowplow testing device
03/27/2013CN202836972U Starter checking machine
03/27/2013CN202836845U Test system for measuring efficiency of new energy automobile electric driving system
03/27/2013CN202830318U Warping machine capable of indicating breakdown
03/27/2013CN202830085U Annealing tool for test samples of pure iron magnetic rings
03/27/2013CN202828938U Polarity detection mechanism for plug pin of light-emitting diode (LED) piece insertion machine
03/27/2013CN103004003A Secondary cell and method for testing secondary cell
03/27/2013CN103003710A Method and arrangement for estimating the efficiency of at least one battery unit of a rechargeable battery
03/27/2013CN103003709A Battery state estimating apparatus and battery state estimating method
03/27/2013CN103003708A Apparatus and method for testing a plurality of devices under test
03/27/2013CN103003707A Apparatus and method for monitoring a photovoltaic system
03/27/2013CN103003706A Device and method for displaying the lifecycle of a surge protection device
03/27/2013CN103003705A Battery pack voltage detection device
03/27/2013CN103002157A Remaining using time reminding method and device of mobile terminal
03/27/2013CN103001712A Multi-frequency-band multi-signal second-order inter-modulation testing system
03/27/2013CN103001299A Charger
03/27/2013CN103001194A On-line line fault monitoring and protection device and protection method thereof
03/27/2013CN103001174A Electrical wiring protection device capable of detecting false power supply wiring condition
03/27/2013CN103000996A Uniform circular array direction-finder antenna receiving mutual impedance test and mutual coupling compensation system
03/27/2013CN103000614A Semiconductor device components and methods
03/27/2013CN102999411A Quad small form-factor pluggable (QSFP) interface test method and QSFP interface test system
03/27/2013CN102999025A Wind power monitoring and fault diagnosis system
03/27/2013CN102999005A Steering magnet control system for diode measurement
03/27/2013CN102998632A Service life estimation method of light-emitting diode (LED) lamp
03/27/2013CN102998631A Lamp performance detection method
03/27/2013CN102998630A Automatic testing device and method of power module
03/27/2013CN102998629A Method for estimating lithium battery charge state
03/27/2013CN102998628A Storage battery testing method and system
03/27/2013CN102998627A Remote intelligent maintaining device of transformer substation storage battery
03/27/2013CN102998626A Systems and methods for determining battery state-of-health
03/27/2013CN102998625A Monitor
03/27/2013CN102998624A Electronic device and display method thereof
03/27/2013CN102998623A Method and system of online estimation for battery state of charge
03/27/2013CN102998622A Remote control and method and device for detecting battery voltage of remote control
03/27/2013CN102998621A Measuring device of disc type driving motor
03/27/2013CN102998620A Device and method for quick online fault detection of high voltage thyristor valve block
03/27/2013CN102998619A Method, device and system for testing sensing buttons
03/27/2013CN102998618A Transformer on-load tap-changer fault diagnosis method based on vibration characteristics
03/27/2013CN102998617A Low-voltage switch mechanical property detecting device
03/27/2013CN102998616A Online calibrating method for transformer sudden-change pressure relay
03/27/2013CN102998615A Test head device applicable to key life tester
03/27/2013CN102998614A System capable of achieving digital signal processor (DSP) single-plate or multi-plate joint test action group (JTAG) debugging and debugging method
03/27/2013CN102998613A Test system and method capable of realizing parallel testing of circuit board
03/27/2013CN102998612A Contactor with multi-pin device contacts
03/27/2013CN102998611A Fast detecting method for circuit containing ADC (analog-to-digital converter) and DAC (digital-to-analog converter)
03/27/2013CN102998610A Aging test chamber for solar cell
03/27/2013CN102998609A Photovoltaic module heat cycle test circuit monitoring device
03/27/2013CN102998608A Solar illuminance detection device
03/27/2013CN102998607A Method and system for measuring and representing mismatching characteristics of metal oxide semiconductor (MOS) transistor devices
03/27/2013CN102998606A Device and method for testing characteristics of semiconductor element
03/27/2013CN102998605A System and method for signal modulation for panoramic partial discharge monitoring of transformer substation
03/27/2013CN102998604A Test device for insulating boot voltage resistance
03/27/2013CN102998603A Device and method for measuring impact current divergence characteristics of earth electrode
03/27/2013CN102998602A Method of inspecting influence of impulse voltage on power frequency device in power frequency and impulse synthetic and combined testing
03/27/2013CN102998601A Corona test device for OPPC (optical fiber composite phase conductor) connector box and test method of corona test device
03/27/2013CN102998600A Sensor insulation property testing device
03/27/2013CN102998599A Polypropylene metal film capacitor testing method
03/27/2013CN102998598A Local discharge ultrasonic positioning device and local discharge ultrasonic positioning method
03/27/2013CN102998597A Method for accelerating power distribution network fault tolerance location
03/27/2013CN102998596A System for detecting faults of overhead line and detection method thereof
03/27/2013CN102998595A Cable uniform current detection device and method for achieving same
03/27/2013CN102998594A Underground cable inspection and fault positioning device
03/27/2013CN102998593A Method for accurately positioning electrical cable faults through interpolation convolution calculating
03/27/2013CN102998592A Determining method for cable high-resistance fault points
03/27/2013CN102998591A Positioning method of generator rotor winding dynamic inter-turn short circuit fault
03/27/2013CN102998590A Connector detecting device and connector detecting method
03/27/2013CN102998589A Electrical test machine
03/27/2013CN102998588A Method for diagnosing common disconnection faults of brushless direct current motor inverter
03/27/2013CN102998587A Talkback type cable core instrument