Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
11/2012
11/21/2012CN202550652U Intelligent uninterrupted power supply for rescue capsule
11/21/2012CN202550591U Control box based on photovoltaic power generation digital uninterruptible power supply
11/21/2012CN202546945U Portable air conditioner
11/21/2012CN102790426A Improved spare power source automatic switch method for single bus sectionalized operation of power substation
11/21/2012CN102790425A Improved emergency lighting switching device
11/21/2012CN102790410A Storage battery charging-discharging system and control method thereof for new energy power generating system
11/21/2012CN102790391A Diesel oil power generation and gas triple-generation hybrid energy supply microgrid system and control method thereof
11/21/2012CN101917057B Multi-functional serial voltage-stabilizing power supply
11/21/2012CN101867217B Intelligent power supply inverter and control method
11/21/2012CN101854076B Voltage change-over switch control circuit
11/21/2012CN101834466B Renewable sources intelligent access system of industrial and mineral enterprises
11/21/2012CN101478176B Backup electric power system
11/15/2012WO2012152681A1 Electromotive drive for furniture, comprising a power supply device
11/15/2012WO2012123139A3 Energy store and energy storage system
11/15/2012WO2012107474A3 Electric-motor furniture drive having a power supply device
11/15/2012US20120286574 Power system
11/14/2012EP2523306A1 Method, device and system for supplying power from storage battery
11/14/2012EP2523305A1 Emergency energy supply device and method for supplying emergency energy
11/14/2012CN202535151U Device starting power generator automatically in dual-power-source system
11/14/2012CN202535150U Uninterrupted power supply system of auxiliary equipment
11/14/2012CN202535149U Double-power supply automatic-switching integrated control box
11/14/2012CN202535148U Mine double power supply automatic switching power supply box
11/14/2012CN202535147U Mining explosion-suppression type double-power supply switching control box
11/14/2012CN202535146U AC-DC accident illumination switching apparatus
11/14/2012CN202535145U DC power supply switching equipment
11/14/2012CN202535144U Automatic switching circuit used when railway smart screen module breaks down
11/14/2012CN202535143U Three-phase frequency-conversion output power-supply emergency power cabinet
11/14/2012CN202535142U Emergency power supply device of horizontal machine
11/14/2012CN202535141U Single-stage on-line type uninterruptible power supply
11/14/2012CN202535140U Power supply used in RFID reader and RFID reader
11/14/2012CN202535139U Novel back-up power supply device applied to mine emergency refuge facilities
11/14/2012CN202535138U Power supply circuit of USB controller
11/14/2012CN202535130U Multipurpose electronic ignition system
11/14/2012CN202535108U New energy power supply system for elevator
11/14/2012CN202534945U Power transformation system provided with 0.4-KV low-voltage switches
11/14/2012CN202534939U Power distribution cabinet of cable television machine room
11/14/2012CN202525889U Dual-mode powered electric prayer wheel
11/14/2012CN102782981A Power supplies for electronic devices
11/14/2012CN102781149A Emergency lighting circuit and emergency electronic ballast
11/14/2012CN102780263A Industrial uninterruptible power supply
11/14/2012CN102780262A Direct current uninterrupted power supply of storage battery feedback discharge
11/14/2012CN102780261A Driving device for railway disaster prevention system and train control system interface relay
11/14/2012CN102064553B Control command code based automatic substation voltage control method
11/14/2012CN101944763B Load current allocation control method and device
11/14/2012CN101707389B Redundant fault-tolerant system and fault-tolerant regulating and controlling method of UPS power supply system in IDC machine room
11/14/2012CN101164217B Dc/dc-less coupling of matched batteries to fuel cells
11/13/2012US8310098 Switchable capacitor arrays for preventing power interruptions and extending backup power life
11/13/2012US8310097 Temperature-sensing uninterruptible power supply system and method for controlling the same
11/13/2012US8310096 Electrical backup for a gas furnace
11/13/2012US8310094 Power supply system
11/12/2012CA2776916A1 Emergency power supply device and method for supplying emergency power
11/08/2012WO2011126565A3 Method and apparatus for achieving zero ac-draw mode for a device
11/08/2012US20120283968 Measuring Apparatus, Measuring System, Electric Power Supply Apparatus, and Electric Power Supply Method
11/08/2012DE202012009636U1 Beleuchtungssystem mit einem Leuchtmittel Lighting system with a bulb
11/07/2012CN202524428U Multifunctional remote monitoring system for fuel cell standby power supply
11/07/2012CN202524161U Uninterruptible power supply system for small communication bureau station
11/07/2012CN202524160U Automatic power supply switching device
11/07/2012CN202524159U High-reliability air control power supply of 220kV forced oil-circulated air-cooled transformer
11/07/2012CN202524158U Emergency power supply system of coalmine ventilator
11/07/2012CN202524157U Wind-light-gas complementary energy supply device
11/07/2012CN202524156U Multifunctional light-emitting diode (LED) emergency lamp
11/07/2012CN202524155U Elevator emergency power supply
11/07/2012CN202524154U Portable backup 200V alternating-current power supply for first-aid medical bed
11/07/2012CN202524153U Railway signal emergency power supply system
11/07/2012CN202523173U Solar standby independent power supply air defense alarm
11/07/2012CN202523172U Wind standby independent power supply air defense alarm
11/07/2012CN102769956A High-power factor filtering circuit
11/07/2012CN102769340A Power supply circuit of contactor coil
11/07/2012CN102769336A Single-phase inverter for emergency power supply
11/07/2012CN102769335A Dual-port input switch power supply
11/07/2012CN102769334A Spare power automatic switching device for no-slot joint during bypass operation
11/07/2012CN102769333A Standby power system for wind power generation electric variable pitch propeller
11/07/2012CN102769332A Spare power automatic switching method and device for 20kV and 10kV hybrid power supply region
11/07/2012CN102769302A Photovoltaic grid-connected inverter with stored energy management and load-power-based output functions
11/07/2012CN102769256A Novel distribution system equipment
11/07/2012CN102768327A Method and spare power automatic switching device for detecting faults on basis of GPS (global positioning system) synchronous phase differential method
11/07/2012CN102019858B Automobile drive device utilizing unified solar energy for power supply
11/07/2012CN102005809B Backup power supply circuit of logging-while-drilling instrument
11/06/2012US8304930 Fieldbus system with shared redundancy system
11/01/2012WO2012148512A1 Switching systems and methods for use in uninterruptible power supplies
11/01/2012WO2012148045A1 Socket controlling device and power management system
11/01/2012WO2012147263A1 Uninterruptible power supply apparatus and control method therefor
11/01/2012WO2012088018A3 Apparatus, method, and system for event and backup lighting
11/01/2012US20120274138 Photovoltaic Array Systems, Methods, and Devices with Bidirectional Converter
11/01/2012CA2825483A1 Switching systems and methods for use in uninterruptible power supplies
10/2012
10/31/2012CN202513668U Switching circuit for direct-current power supplies
10/31/2012CN202513667U Photovoltaic pumping control cabinet and photovoltaic power generation pumping system
10/31/2012CN202513666U Medical equipment with uninterruptible power supply
10/31/2012CN202513665U Power supply device for air sterilizer
10/31/2012CN202513664U Emergency power supply
10/31/2012CN202513663U Power conversion box
10/31/2012CN202513662U Portable DC power source
10/31/2012CN202513661U Power supply device with emergency light
10/31/2012CN202513660U Scheme for parallel connection of multiple modularized UPS systems
10/31/2012CN202513659U Multi-path input power supply
10/31/2012CN202513658U Vehicle-mounted alternating current and direct current power supplying device
10/31/2012CN202513657U Integrated emergency power supply device
10/31/2012CN202512170U Intelligent ammeter communication module circuit structure having power-off protection function
10/31/2012CN202509878U Remote control electric roller shutter door direct current motor control circuit with automatic locking function
10/31/2012CN102761170A Back-up alternating-current power supply intelligent seamless switching system
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