109results about How to "Increase the current value" patented technology

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 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 object is to provide an axial air gap type electric motor which realizes a torque up without an increase of the size of the electric motor. The axial air gap type electric motor comprises a stator and two rotors each of which is molded almost with a discoid shape and which are arranged as facing an identical rotation axis with a fixed gap. Said stator has a stator core comprising 3n (n indicates an integer of 2 or higher) pole members ,said pole members with three-phase configuration are connected in parallel, moreover, said rotors are formed with multiple magnets molded like a ring at an equal interval at positions facing the annular stator core when facing said stator, and the ratio of the number of said pole members and the number of the magnets becomes 3n:4n (n indicates an integer of 2 or higher).

Provided are a hollow inner electrode 5 constituted by an electrically conductive filter capable of capturing particulates, a cylindrical outer electrode 6 circumferentially surrounding the electrode 5, a housing 4 incorporated in a flow passage of exhaust G and accommodating the electrodes 5 and 6, a temperature sensor 2 for detecting temperature of the exhaust G and an electric discharge controller 3 for controlling electric power to be distributed to the electrodes 5 and 6 on the basis of a detected value of the temperature sensor 2 . When the temperature of the exhaust G obtained by the temperature sensor 2 is lowered, electric power necessary for generation of discharge plasma is distributed by the discharge controller 3 to the electrodes 5 and 6, thereby oxidizing the particulates captured by the electrode 5 to reduce electricity consumption.

Provided is a novel compound that can be suitably used as a compound for an organic EL device. The compound is represented by general formula (1): wherein x, y and z are an integer of 0 to 3 with x + z = 1; R3, R15, R16, R17, and R18 are hydrogen or a linear or branched alkyl; R1, R2, R4, and R5 are hydrogen, a linear or branched alkyl, or a substituted or unsubstituted aryl with at least one being a substituted or unsubstituted aryl; A is hydrogen, a linear or branched alkyl, or group B: (2) (wherein R6, R7, R8, R9, and R10 are hydrogen, a linear or branched alkyl, or a substituted or unsubstituted aryl); R11, R12, R13, and R14 are hydrogen, a linear or branched alkyl, or a substituted or unsubstituted aryl; and each CH on the benzene ring may be replaced by nitrogen.

A conversion mixer includes a mixing circuit, a duplicating circuit and a loading circuit. The mixing circuit receives a couple of first input signals and a couple of second input signals and mixes the couple of first input signals with the couple of second input signals to output a couple of mixed signals. The duplicating circuit coupled to the mixing circuit receives the couple of mixed signals and duplicates the couple of mixed signals to output a couple of duplicated signals. The loading circuit coupled to the duplicating circuit receives the couple of duplicated signals and outputs a couple of output signals according to the couple of duplicated signals.

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.

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 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.

Provided are: a conjugated block copolymer capable of increasing the amount of optical absorption by a photoelectric conversion active layer and controlling the morphology thereof and capable of achieving excellent photoelectric conversion efficiency; and a photoelectric conversion element comprising a composition including an electron-accepting material using this kind of conjugated block polymer. A pi-electron conjugated block copolymer comprises: a polymer block (A) comprising a monomer unit having at least one heteroaryl skeletal structure selected from a group comprising a fused-ring pi-conjugated structure including at least one thiophene ring in one part of the chemical structure thereof, a fluorene, a carbazole, a dibenzosilole, and a dibenzogermole; and a polymer block (B) having as the monomer unit thereof a thiophene-2, 5-diyl group having a substituent group at least at the 3-position.

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.