110results about How to "Increase the current value" patented technology

The present invention relates to an enzyme electrode for transporting electric charge formed by an oxidation-reduction reaction in an enzyme to a conductive member at a high speed. The enzyme electrode specifically has a π-conjugated metal complex molecule immobilized on the conductive member and the enzyme immobilized on the conductive member through the π-conjugated metal complex molecule.

Discloses are a method for manufacturing a field effect transistor comprising a channel consisting of silicon fins and a silicon body, in which the silicon fins have an orientation different from the silicon body, as well as a transistor structure manufactured thereby. The method comprises the steps of: (a) forming a hard mask pattern on a substrate comprising a silicon thin film; (b) anisotropically etching the silicon thin film to a predetermined thickness using the hard mask pattern as a mask so as not only to form silicon fins where a channel is to be formed and a silicon pattern where a source / drain region is to be formed, but also to form a silicon body that connects the silicon fins to each other to form a channel; (c) partially etching the silicon thin film using an active mask so as to isolate the source / drain region and the device from each other; and (d) growing a gate dielectric film around the silicon channel and sequentially depositing a gate material and a gate mask on the resulting structure, followed by forming a gate region.

The invention relates to an estimation method of a charging state of a lead acid power battery of an electrical vehicle. Through detection of values of voltage and current of a direct current bus in a certain time, minimum direct current bus voltage and a direct current bus current which corresponds to the minimum direct current bus voltage within the time are counted and obtained. Generally, the direct current bus current which corresponds to the minimum direct current bus voltage is the maximum current value within the time. Effective electromotive force is calculated according to a simple internal resistance equivalent model, filter processing is conducted on the effective electromotive force through a filtering algorithm, influence of floating voltage of the lead acid battery and a transient error of estimation is eliminated, and due to the fact that an SOC of the lead acid power battery has an approximately linear relation with electromotive force, the current SOC of the battery can be obtained through a lookup table algorithm. According to the estimation method, only the direct current bus voltage and the current at a load end are based, simple and efficient algorithms are adopted, data of theory and actual tests of the lead acid power battery are referred at the same time, so that the SOC of the lead acid power battery can be accurately estimated out.

The invention relates to a novel solid-state capacitor. The novel solid-state capacitor includes a piece of core cladding, wherein the core cladding is sealed in a housing, and is formed through winding of anode foils, non-carbonization electrolytic paper and cathode foils; PEDT are adhered to the electrolytic paper; and the gap between the electrolytic paper and the anode foils, and the gap between the electrolytic paper and the cathode foils are filled with PEDT: PSS. As the PEDT has higher conductivity, the novel solid-state capacitor is lower in ESR and higher in the resistant-to-ripple current value. As the PEDT: PSS is filled between the anode foils and cathode foils and the PEDT: PSS has no corrosivity on aluminium foils and the voltage withstanding value of the PEDT: PSS is higher, the voltage withstanding value of the novel solid-state capacitor is high and the leakage current of the novel solid-state capacitor is low.

The invention discloses a topology main circuit of a zero-voltage soft switching arc welding inverter, which comprises a leading leg, a lagging leg and a full-bridge phase-shifting resonance circuit. The leading leg and the lagging leg are formed by high-power insulated gate bipolar transistors; the full-bridge phase-shifting resonance circuit consists of inverse parallel diodes of the transistors and parallel capacitors of the transistors; the full-bridge phase-shifting resonance circuit is accessed to a primary side of a high-frequency transformer through a resonance inductance and leakage inductance; a secondary winding of the high-frequency transformer outputs inverted power supply; the front end of the resonance inductance is connected with a current sampling winding in series; the secondary inductance is connected with the winding of the high-frequency transformer after the secondary inductance is connected with an electric switch; and the electric switch is connected with a control circuit, and samples primary current of the high-frequency transformer through the current sampling winding. The topology main circuit realizes switching of the electric switch by the control circuit, can increase the primary current value of the transformer by opening the electric switch under idle load and light load, and can reduce circulating current of the circuit and increase power factor by cutting off the electric switch during over loading, thereby avoiding a magnetic core heating severely so as to damage elements and devices, and realizing zero-voltage switching of all main power devices in a loading range.

This invention discloses a method for manufacturing field effect transistors with channels composed of silicon fins and silicon main bodies and the transistors, in which, the orientation of the fin is defferent from the silicon main body. The method includes the following steps: a, forming a hard mask pattern on a base plate including a Si film, b, etching the Si film to a preset thickness anisotropically using said pattern as the mask so as to form not only Si fins going to form channels and Si pattern with source / drain region but also form a Si main body connecting the fins to form channels, c, using the active mask to etch the Si film partly to isolate the source / drain region and the device and d, growing grid dielectric film on the Si channels and depositing grid material and grid mask on the structure to form a grid region.

The invention discloses a backlight control signal generating circuit, a backlight control signal generating method and liquid crystal display equipment, and relates to the technical field of liquid crystal display. The circuit comprises a switching circuit and different PWM (pulse-width modulation) backlight control signal conversion circuits, wherein the switching circuit is switched to the different PWM backlight control signal conversion circuits in accordance with indicating signals generated from different data intervals of backlight data; and the different PWM backlight control signal conversion circuits are various different combined circuits which are formed by a plurality of duty ratio conversion circuit and a plurality of current setting circuits. According to the embodiment, the different backlight data intervals can be set in accordance with different gray scale display demands of bright and dark scenes in an image, and meanwhile, current values of PWM backlight control signals corresponding to the different backlight data intervals are variable, so that backlight control signals at required backlight brightness are correspondingly generated, and a picture contrast ratio is improved.

The present invention relates to a photoelectrode for a dye-sensitized solar cell, to a method for manufacturing the photoelectrode, and to a dye-sensitized solar cell using the photoelectrode. More particularly, provided are a photoelectrode for a dye-sensitized solar cell and a method for manufacturing the photoelectrode, wherein the photoelectrode comprises a porous film (a nanoparticle metal oxide layer), which is formed on a conductive substrate and consists of a nanoparticle metal oxide-photosensitive material-polymer layer, thus achieving superior durability against external stimulation, superior mechanical strength, and superior electrical characteristics.

The invention relates to a welding production technology for an R4-level anchor chain. The welding production technology includes the processes of material preparing, heating, ring bending, flash butt welding, deburring, gear pressing and inspecting. In the ring bending process, round steel is bent into a small opening with the end faces relatively forming a V shape. In the flash butt welding step, roughing processing is conducted on the end faces, to be welded, of a bent ring before welding, during welding, extrusion force in different directions is applied to the bent ring, and welding of the bent ring is achieved. According to technology parameters of flash welding, the flash speed is 1.2-1.6 mm / s, the flash time is 5-8 s, the maximum value of maximum current is 90 kA, the upsetting speed is 100-120 mm / s, and the upsetting force is 40-55 kN.

The invention discloses a device and method for in-situ remediation of fluoride-polluted soil, which can adopt a permeable reactive barrier in combination with an electrodynamics technology to performin-situ remediation on fluoride-polluted soil. The remediation method comprises the steps of performing physicochemical property measurement on soil, performing fluorine elution on the surface of thesoil using a soil eluent, laying an electrode capable of being repaired in situ, constructing an electrolyte continuous cycle loop between an electrolysis chamber and an electrolyte storage tank of the in situ electrode, and applying a direct-current electric field between the anode and cathode with a low-pressure pulsed power supply. Fluorinion carrying negative charge moves towards an anode chamber through electromigration under the action of the electric field and is adsorbed by a permeable reactive barrier in the anode chamber, meanwhile, fluorine, in the form of fluoride or other solubleions, moves towards a cathode chamber through electrodialysis and is adsorbed by a permeable reactive barrier in the cathode chamber, after the remediation is completed, the electrode is taken out, thereby completing the removal and remediation of fluorine pollutants in the soil.

The invention discloses a testing system of a hybrid power controller. The testing system comprises a tested controller, a small-power test bench and a circuit / signal conversion unit, wherein the small-power test bench comprises a simulation tested three-phase motor, a direct current motor, a position sensor and a control protection module; and the circuit / signal conversion unit comprises a sensor signal detection unit, a sine / cosine conversion module and a signal output interface and is responsible for converting a position sensor signal of the small-power test bench and a signal relevant to a protective signal into the input needed by the tested controller. With the system, a rotating shaft of the motor generates two position signals through driving the position sensor to enter the circuit / signal conversion module so as to generate a sine / cosine signal of the position senor needed by the tested controller; two paths of input signals are stored in a memorizer through the sine / cosine conversion module; the position sensor signal of the small-power test bench is converted into any position sensor signal needed by the tested controller through table lookup; and the position sensor signal is input to the tested controller.

The invention relates to a method and device for switching the power mode of an electric vehicle. The method comprises the following steps of: judging whether a power mode change-over switch arranged on the electric vehicle is pressed down for a certain period of time, whether the wheel speed of the electric vehicle is greater than or equal to the preset wheel speed value, whether the instant voltage of a battery is greater than the preset voltage value, and whether the temperature of a controller is lower than the preset temperature value; if all judgment conditions are met, controlling the battery of the electric vehicle to output a relatively large current power-supply power source so as to provide relatively strong power; and if any one condition is not met, controlling the battery to output the current required by a common power mode. According to the invention, the convenience of users is enhanced through mode switching, the power is increased, and the power supply time of the battery can also be prolonged, thereby improving the endurance of the electric vehicle.

Provided is a fuel cell having a structure in which a cathode and an anode face each other with a proton conductor therebetween. In this fuel cell, an oxygen reductase or the like is immobilized on at least the cathode, and the cathode is composed of a material having pores therein such as porous carbon. In this fuel cell, the volume of water contained in the cathode is controlled to be 70% or less of the volume of the pores of the cathode, whereby a high current value can be stably obtained through optimization of the amount of moisture contained in the cathode when an enzyme is immobilized on at least the cathode. Also provided is a method for operating the fuel cell.

According to the invention, a method is implemented by utilizing the characteristic that an electric energy meter and a Bluetooth circuit breaker which are matched with each other are in the same power supply loop and the current consumed by the circuit breaker when a motor acts can only be detected by the electric energy meter matched with the circuit breaker. Moreover, the current value of the circuit breaker is relatively large when the motor acts, the average effective value can reach more than 40mA, the starting current which can be accurately measured by an electric energy meter meteringchip is 10-15mA, and the current value of the motor action is much larger than the starting current, so that the current change of the motor action can be accurately sampled by a new electric energymeter metering product, and feasibility is provided for the scheme. The beneficial effects of the invention are that: 1, the method just needs to set the embedded software of the Bluetooth circuit breaker and the electric energy meter, does not need to add a hardware circuit, is high in feasibility, and saves the cost; 2, the basic characteristic that the working current of the circuit breaker canonly be measured by the paired electric energy meter is utilized, so that the accuracy of a pairing algorithm is ensured; and 3, after preliminary confirmation is completed, verification is performedagain through a verification code, so that the pairing accuracy is ensured.

The invention discloses a constant current discharging device for ultra-high voltage long cable after direct-current withstand voltage test. The constant current discharging device discharges the ultra-high voltage long cable after direct-current withstand voltage test through mixed conductive liquid. During the discharging process, loss of charge results in declination of current value. A constant current controlling unit can open a conductive liquid valve of a conductive liquid storing chamber and a synthetic liquid storing chamber according to the change of current value, lower the resistance of the mixed conductive liquid in the synthetic liquid storing chamber to increase current value, thereby the current of the mixed conductive liquid is always in a state of a constant value during discharging, and discharging time is shortened to be suitable for various working stations.

The invention discloses an automatic tuning type downhole wireless signal transmission system, which comprises a downhole sending module and a well mouth antenna, wherein the downhole sending module is independently connected with a drilling tool and a logging-while-drilling tool in an oil pipe; the logging-while-drilling tool is placed on the drill bit of the drilling tool; the drilling tool comprises an insulated pup joint, wherein the insulated pup joint is laterally placed below a drilling tool motor and is positioned between the drill pipe and the drill collar of the drilling tool for realizing the electric isolation of the drill pipe and the drill collar; the positive pole of the downhole sending module is connected with one end, which is near the drill pipe, of the insulated pup joint; the negative pole of the downhole sending module is connected with one end, which is near the drill collar, of the insulated pup joint; the well mouth antenna is placed on a well mouth, one end isconnected with the oil pipe, and the other end is subjected to ground connection; the downhole sending module is adopted to receive logging-while-drilling data measured by the logging-while-drillingtool, a direct-driven way is adopted to convert the obtained logging-while-drilling data into an electric signal, and the electric signal is transmitted to the well mouth antenna through the oil pipeafter the electric signal is subjected to automatic tuning amplification. The automatic tuning type downhole wireless signal transmission system carries out transmission through the direct-driven way,and transmission efficiency is high.

The invention provides a method for refining a metal solidification structure through the combination effect of a magnetic field and vibration, and belongs to the technical field of metal solidification control. During a metal melt solidification process, a metal liquid and a casting mould generate high frequency micro-amplitude vibration; meanwhile, the magnetic field is applied to the metal meltand the metal melt is electromagnetically stirred; the metal solidification structure including particles and a precipitated phase is refined through the combination effect of high-frequency vibration and electromagnetic stirring; and the comprehensive property of a metal casting is favorably improved. The method has the obvious advantages that the metal refining effect is more obvious compared with single electromagnetic stirring or single vibration; besides, metals are not polluted; and the method is applicable to solidification structure refining of various metal melts.

The application relates to a through-flow device for a large transformer, and is used for a transformer of 500 kV and above. The device includes a power supply, a switch and a capacitor sequentially connected in series, and the capacitor and the primary side of the transformer are connected in series to form series resonance in a series circuit. According to the through-flow device for the large transformer, the capacitor is connected in a primary side loop of the transformer in series, total impedance in the circuit can be reduced, a function of reactive compensation or power compensation isrealized, thus primary currents in the circuit can be greatly improved, and since primary currents increase, secondary side currents of a current transformer (CT) in the circuit also increase, therebyimproving accuracy and precision of current measurement.

The invention discloses a vehicle-mounted charging device, which belongs to the technical field of charging and power supply. The vehicle-mounted charging device comprises a filter circuit, a rectifier circuit, a power factor compensation circuit, a DC / DC conversion circuit and a vehicle-mounted energy storage device, wherein the DC / DC conversion circuit comprises a switch circuit, a DC / DC control circuit connected with the control end of the switch circuit and a second feedback circuit connected with the output end of the switch circuit; the output end of the second feedback circuit is connected with the input end of the DC / DC control circuit; the switch circuit comprises a switch K2, an inductor L2 and a capacitor C2; the switch K2 and the inductor L2 are serially connected to serve as the output end of the switch circuit; and one end of the capacitor C2 is connected with the output end and the other end is grounded. Technical problems of large electromagnetic interference and much energy loss as the prior vehicle-mounted charging device commonly uses a transformer are solved, the switch circuit is adopted for outputting charging voltage, energy loss is low, and the charging efficiency is high.

A crystal device for surface mounting, in which a metal cover is jointed to the metal ring by seam welding, satisfies relationships A2 / A1<C2 / C1 and B2 / B1<D2 / D1, where A1 is a length of a long side of the metal ring, A2 is a length of a straight portion of a long side except for curved portions, B1 is a length of a short side of the metal ring, B2 is a length of a straight portion of the short sideexcept for the curved portions thereof, C1 is a length of a long side of the metal cover, C2 is a length of a straight portion of the long side except for the curved portions thereof, D1 is a lengthof a short side of the metal cover, and D2 is a length of a straight portion of the short side except for the curved portions thereof.

A photoelectric conversion device comprises: a plurality of first conduction type crystalline semiconductor grains (2), on each surface layer of which a second conduction type semiconductor portion (4) is formed and which are bonded, at a certain interval, to the surface of a conductive substrate (1); an insulating layer (3) formed between the crystalline semiconductor gains (2) on the conductive substrate (1); a transparent conductive layer (5) formed above the insulating layer (3) and the crystalline semiconductor grains (2); and a collector electrode (7) formed on the surface of the transparent conductive layer (5). The collector electrode (7) consists of a conductive plate having a plurality of through holes (40) that allow external light to illuminate each of the crystalline semiconductor grains (2). Since a transparent light collecting layer (8) is provided on the transparent conductive layer (5) and the collector electrode (7). It is possible to eliminate shadow loss while suppressing resistance loss with a simple process and provide a photoelectric conversion device having a high efficiency.

In a method for detecting a replacement of sheathed-element glow plugs in an internal combustion engine, an electrical parameter of the sheathed-element glow plug is determined during a driving cycle and is compared with a stored value of the same electrical parameter of the sheathed-element glow plug that was determined in a preceding driving cycle. In the driving cycle, the same electrical parameter is determined for all sheathed-element glow plugs installed in the internal combustion engine, and the determined pattern of the electrical parameter is compared with a pattern that was ascertained in a preceding driving cycle, a replacement of a sheathed-element glow plug being detected if the pattern of the driving cycle deviates from a pattern of the preceding driving cycle.

The invention relates to the technical field of information storage, in particular to a two-dimensional square ferromagnetic material, a storage unit and a method for regulating and controlling storage data of the storage unit. The invention provides a two-dimensional square ferromagnetic material which is FeCl, the space group of the two-dimensional square ferromagnetic material is NO.129: P4 / nmm, and the lattice parameters of the two-dimensional square ferromagnetic material are as follows: a = b = 0.355 nm, and c = 1.826 nm. When the two-dimensional square ferromagnetic material is used asthe material of the ferromagnetic material layer of the storage unit, the energy consumption can be reduced, the storage density and reliability of the storage unit can be improved, and the flexibility can be realized.

A novel compound suitable as a compound for an organic EL element is provided. The compound is represented by general formula (1), wherein x, y and z are each independently an integer from 0 to 3 and x+z≥1; R3, R15, R16, R17 and R18 are hydrogen or linear or branched Alkyl; R1, R2, R4 and R5 are hydrogen, straight or branched chain alkyl, or substituted or unsubstituted aryl, at least one of which is substituted or unsubstituted aryl; A is hydrogen Atom, straight chain or branched chain alkyl group, or group B (see diagram above), where R6, R7, R8, R9 and R10 are hydrogen, straight chain or branched chain alkyl group, or substituted or unsubstituted aryl; R11, R12, R13 and R14 are hydrogen atoms, linear or branched alkyl groups, or substituted or unsubstituted aryl groups; and each CH on the benzene ring may be replaced by nitrogen.