On failure detection apparatus of power supply circuit An ON failure detecting apparatus detects an ON failure of an FET T 1 of a power supply circuit which includes the FET T 1 disposed between a battery E and a load RL, and controls driving...
3
200610171233
Method and device for detecting arcs An arc detection means for detecting arcs in a plasma process includes at least one comparator to which an evaluation signal such as an output signal or an internal signal of an AC genera...
Battery device Provided are a battery state monitoring circuit in which charging of a secondary battery in an over-charge detection state is prevented to improve safety, and a battery device including t...
Magnetic disc array system and electric source protector A disc array system is prepared as forming power supply bus by setting power supply module on back plate, connecting power supply bus to power supply circuit for supplying power onto disc...
8
200610155237
Family appliance standby energy-saving device A kind of household appliances standby energy conservation implement, it is composed of power circuit (1), infrared receiver (2), electric current sensor (3), monolithic machine (4), rela...
Portable analog circuit breaker A portable analog breaker consists of DC power supply circuit A, DC power supply circuit B, coil circuit of switch on and coil circuit of switch off. It is featured as outputting two inde...
A large electric system vulnerable line identifying method A method for identifying weak line of large-scale power system includes defining line electric inductivity with weighting of the line to be load sum bore on and passed through shortest el...
13
200610098334
Dual AND-OR protection outlet fault-tolerant mechanism A fault tolerant mechanism of double AND-OR protection exit is prepared as controlling four intermediate relays by exit signal and fault signal of system CPU A and B, crossing and paralle...
Heating control device of ATM The invention relates to a ATM heating control device which heats and controls the inner temperature of the ATM. The construction: power source part which is used to supply power to therm...
Superconducting hybrid current limiting switch This invention relates to one super conductive mixture limit flow switch, which comprises electromagnetic force mechanic switch and fix switch and superconductive limit device. The invent...
22
200610163645
Inverter The invention detects whether a fault that an over current is supplied to a load is generated when an inverter supplies an AC power and operates the load, and uses a voltage between a col...
PC-automatic switch with regional interlock This invention relates to one PC automatic switch with local cross lock, which comprises point input unit, signal process unit and control unit, wherein, the said point input unit compris...
25
200610118936
An active energy support surge protector The related active energy-proportioning surge protector comprises: the I-level classified test surge protector, the II-classified test surge protector, a voltage limit module, a trigger m...
Rechargeable battery pack for a power tool A battery pack for a power tool has a less-current consuming over-discharge protection. The battery pack includes a battery stack composed of a plurality of series connected secondary cel...
Self-repairing circuit protection apparatus A circuit protection device includes a solid-state resettable switch, a first terminal in electrical communication with a first portion of the switch, the first terminal configured to be ...
Electric automobile control and charge protection device The invention relates to a control-charge protector of electric vehicle, wherein it can control the torque, speed, charge protection and brake cut-off of electric vehicle. The bottom plat...
Safe battery case for hybrid motor automobile The invention relates to a safe battery tank used in mixed power vehicle, which comprises frame containing said battery with inner and outer frames. Wherein, said frame has high-voltage b...
Tuned coil coaxial surge suppressor An in-line surge suppressor insert and surge suppressor assembly having a body with a coaxial connection at a first and a second connector end. A surge suppressor insert mount is formed i...
System and method to avoid device stressing A system for protecting a weak device operating in micro-electronic circuit that includes a high voltage power supply from high voltage overstressing prevents the weak device from failing...
42
200610154471
Outdoor high voltage double power source vacuum breaker This invention relates to an outdoor high voltage double supply vacuum breaker including a three-phase outdoor high voltage vacuum breaker, voltage mutual inductors, current mutual-induct...
No-blocking pollution discharging pump The no-blocking dredge pump includes a pump body, an impeller, a motor, a sealed oil chamber and a mechanical seal. The impeller is one double flow passage structure set inside the pump b...
Safety lug suitable for the connection to a current outlet A safety plug suitable for the connection to an electric current outlet has detections means of the malfunctioning of the electric current outlet when electric current circulates through ...
Stable joining plug and socket of antisurge voltage The plug is composed of structure of main body including wide/narrow insert pieces, wire orifice, voltage sensitive resistance and adsorption magnetic pole. The socket is composed of stru...
50
200610150553
Single-phase asynchronous motor protector This invention provides a single-phase asynchronous motor protector, after a d trigger as the core element and a single-phase AC of 220V are accessed into said protector, one of the phase...
Plug and socket of anti surge voltage The plug is composed of structure of main body including insert pieces, wire orifice, and voltage dependent resistor. The socket is composed of structure of main body including jack corre...
55
200610150213
Plug and socket of anti surge voltage and anti surge current The plug is composed of structure of main body including insert pieces, wire orifice, voltage dependent resistor and thermistor. The socket is composed of structure of main body including...
56
200610150214
Connections fixed plug and socket of anti surge voltage The plug is composed of structure of main body including wide/narrow insert pieces, wire orifice, and voltage dependent resistor. The socket is composed of structure of main body includin...
57
200610150205
Antisurge current plug and socket The plug is composed of structure of main body including insert pieces, wire orifice, and thermistor. The socket is composed of structure of main body including jack corresponding to inse...
Connections fixed plug and socket of anti surge current The plug is composed of structure of main body including wide/narrow insert pieces, wire orifice, and thermistor. The socket is composed of structure of main body including wide jack corr...
60
200610150210
Convenient joining plug and socket of stable anti surge voltage The plug is composed of structure of main body including insert pieces, wire orifice, voltage dependent resistor and adsorption magnetic pole. The socket is composed of structure of main ...
Arc, earth leakage protection, and protection method Arc and earth leakage protector is composed of control circuit board, fault detection module, and tripping device. Output of the fault detection module is connected to the control circuit...
AC voltage sampling method and system The disclosed ac voltage collection method comprises: A. collecting ac voltage; B. correcting data by correction coefficient; C. processing corrected data. The corresponding system includ...
High power supply to control an abnormal load A high power supply to control an abnormal load includes: a high voltage power processor to amplify a supplied DC power and to output the amplified DC power, a trans/rectifier to transfor...
Arc fault detector An arc fault detector, as a stand alone device or in combination with a circuit interrupting device such as a ground fault interrupter (GFCI), protects from potentially dangerous arc faul...
Overcurrent detection device Disclosed is an overcurrent detection device for detecting an overcurrent in a load circuit which is arranged to control the driving and the stopping of a load 1 by a semiconductor switch...
Freezing circulation device This refrigerating cycle device comprises an induced voltage estimating portion (24) for estimating induced voltage generated in each phase of a stator winding of the rotating machine (2b...
Controllable gap for protecting transformer neutral point This invention relates to a control gap used in protecting neutral points of transformers including a fixed gap, a control gap and its control loop and a capacitance equalizing loop, in w...
Microcomputer silicon-controlled static exciting system This invention discloses a static excitation system of a microprocessor thyristor including a parameter input circuit, a microprocessor excitation adjuster and a rectifying bridge circuit...
Battery protecting apparatus and battery protecting circuit A battery protecting circuit is disclosed that includes a negative voltage terminal voltage detecting circuit that detects when a voltage of a negative voltage terminal decreases to less ...
Residual current circuit breaker Three-pole circuit-breakers incorporating residual current protection is provided of which not only an earth leakage detecting function but also the function of an earth leakage current t...
Failure detecting device for a load driving system A failure detecting device for a load driving system including an upper arm driving means connected between a positive electrode of a direct current power source and one end of a load and...
