42results about How to "Increase effective output power" patented technology

The invention provides a method for preparing a composite material of a copper sulfide and titanium dioxide nano-tube. The method comprises the following steps of putting a sanded titanium plate in acetone or absolute ethanol for ultrasonic cleaning, and is rinsed and aired with deionized water; anodizing a platinum plate serving as a cathode and the treated titanium plate serving as an anode in ethylene glycol solution with 0.25 weight percent of ammonium fluoride, namely a titanium dioxide nano-tube array grows on the surface of the titanium plate; putting the titanium plate growing the titanium dioxide nano-tube array in mixed solution filled with copper chloride and sodium thiosulfate, wherein molar concentrations of the copper chloride and the sodium thiosulfate in the mixed solution are the same, and are between 0.0025 and 0.01mol/L; and sealing the solution with an autoclave, heating the autoclave to the temperature of between 60 and 120 DEG C, and preserving the temperature for 12 to 24 hours. The nano composite material prepared by the method has high sunlight absorbing and utilizing capability, has good application prospect in the field of solar cells, and has simple manufacture process, low equipment requirement and low preparation cost.

The invention relates to a special air conditioner for a base station with a separate type radiation plate evaporator, which comprises a machine room, an outdoor unit and the radiation plate evaporator, wherein the radiation plate evaporator comprises refrigerant pipes, a radiation plate, an internal radiation finned plate and a thermal insulation material, the refrigerant pipes are connected with the internal radiation finned plate and arranged between the radiation plate and the thermal insulation material, and the refrigerant pipes of the evaporator are mutually communicated through connecting pipes; and the radiation plate evaporator forms the closed-loop connection with a compressor, a condenser and an expansion valve through the connecting pipes, and electric control valves are respectively arranged at an air inlet and an air outlet of the machine room. The special air conditioner for the base station with the separate type radiation plate evaporator can carry out direct radiation heat exchange on a heat source, quickly and effectively reduce the temperature and lead components to work at lower temperature; as the surface temperature of the component is reduced, the working efficiency is improved, the effective output power is increased, and the actual calorific value is reduced, thereby gradually reducing the power consumption of the air conditioner, forming the virtuous circle, further effectively reducing the power consumption of the air conditioner and saving electric energy and electricity fee.

The invention relates to a preparation process of a multiple TiO2 nanotube/PbS/CuS nanocomposite used for quantum dot sensitized solar cells. The multiple TiO2 nanotube/PbS/CuS nanocomposite is prepared mainly by combining a chemical bath method and a hydrothermal method. The method comprises the following steps: shearing and grinding a titanium plate and carrying out ultrasonic cleaning and decontamination in acetone or anhydrous ethanol solution; flushing the cleaned titanium plate with deionized water, and air-drying; placing cleaned titanium plate in the well prepared electrolyte for carrying out electrochemical anodizing; and placing anodized sample of the semi-wall type titanium dioxide nanotube array in the hydrogen peroxide solution for soaking for certain time, and sequentially compounding nanoparticles of PbS/CuS with titanium oxide nanotube by adopting chemical bath method and the hydrothermal method. The method is simple in process, the prepared multi-nano structure is novel, and the conversion efficiency of the solar cell prepared through the structure is improved greatly, thus being beneficial to improvement of performances of quantum dot sensitized solar cells.

The invention relates to a novel motor which comprises an end cover and a shell connected with the end cover. Modularization is massively adopted, and the motor has the functions of automatic heat dissipation, automatic air exhaust, automatic closing and flux leakage preventing efficiency. The motor has the advantages that assembly is simple and direct and size is small due to the massive adoption of modularization; the weight is light, the flux leakage preventing efficiency is high and the power is greater due to the massive adoption of non-metal materials; and heat dissipation is automatic, the reverse wind speed impedance of a rotor is reduced, the output power is effectively increased, and the quality is more stable and more reliable.

The invention discloses an ultrasonic spindle. The ultrasonic spindle comprises a spindle shell, a rotating shaft, a front end cover, a transmitting frame and an ultrasonic wireless transmitting device. The rotating shaft is rotatably arranged in the spindle shell in a penetrating mode, and a mounting hole is formed in the front end face of the rotating shaft. The front end cover is arranged at the front end of the spindle shell and surrounds the rotating shaft. The transmitting frame is directly installed on the front end face of the front end cover and surrounds the rotating shaft, and a first containing groove surrounding the rotating shaft is formed in the front end face of the transmitting frame. The transmitting frame is connected with the front end cover through a bolt so as to be convenient to disassemble and assemble. The ultrasonic wireless transmitting device is arranged in the first containing groove and comprises a transmitting coil arranged around the rotating shaft and atransmitting ferrite used for containing the transmitting coil. Compared with the prior art, the ultrasonic spindle is excellent in performance, good in machining effect, wide in application range, capable of machining multiple materials and long in service life; and in addition, the invention further discloses ultrasonic machining equipment adopting the ultrasonic spindle.

The provided five-phase Nd-Fe-B permanent-magnetic generator for vehicle comprises: the pole shoe, some permanent magnets with opposite polarity between near ones for N-S space array and every opposite to five poles on stator core, a rotor with iron core and shaft, and the stator composed by all of an iron core, a coiling, and a front/back cap. This invention has less wattless loss, compact structure for small room, and convenient to assemble for different vehicles.

The invention relates to the technical field of ultrasonic machining, and discloses an ultrasonic machining device and an ultrasonic spindle thereof. The ultrasonic machining device comprises a spindle shell, a rotating shaft assembly, a front end cover and an ultrasonic wireless transmitting device, wherein the rotating shaft assembly is rotationally arranged in the spindle shell, the front end of the rotating shaft assembly protrudes out of the front end face of the spindle shell, and a mounting hole is formed in the front end face of the rotating shaft assembly; the front end cover is installed at the front end of the spindle shell and is annularly arranged on the periphery of the rotating shaft assembly, the rear end face of the front end cover is attached to the front end face of thespindle shell, and a first containing groove annularly formed in the rotating shaft assembly is formed in the front end face of the front end cover; and the ultrasonic wireless transmitting device isarranged in the first containing groove and comprises a transmitting coil and a transmitting ferrite. According to the ultrasonic machining device and the ultrasonic spindle thereof, the device has good machining precision and machining efficiency, the device is suitable for machining working conditions in a larger range, and more materials can be machined.

The invention discloses a horizontally-opposed-cylinder, opposed-piston and two-stroke homogeneous compression-ignition reciprocating engine and linear generators. Two pistons are arranged inside each of two parallel cylinders for doing work oppositely; four blast pump pistons, of which the effective area is 2-3 times greater than that of the work-doing pistons, are arranged behind the four pistons, and are used for supplying pressurized mixed fuel gas to the cylinders; four coaxial linear generators are arranged behind four blast pumps; shaft heads behind the four generators are connected with two interconnecting fulcrums of two semicircular rocker mechanisms fixed to central vertical shafts at the two ends of the two cylinders; when the two pistons in one cylinder move towards a combustion chamber, which is shared by the two pistons, in the center of the cylinder, the two pistons in the other cylinder move oppositely to the two ends of the cylinder; when the two pistons in one cylinder move up to 5-10 degrees in front of an upper stopping point, mixed fuel catches fire and bursts out through compression ignition to force the two pistons to rapidly move towards a lower stopping point, push the coaxial blast pumps to blast air, push the generators to generate electricity and push the two semicircular rocker mechanisms to rotate in the reverse direction so as to push the two pistons in the other cylinder to do compression work on the upper stopping point at the center of the cylinder.

The invention relates to a printing solution of an iron printing coating. The printing solution is prepared from raw materials as follows: high-temperature resistant resin, stainless steel powder, a diluent, curing agents and curing accelerators, wherein the high temperature resistant resin is epoxy resin E-44, the diluent is N-methyl pyrrolidone, the curing agents comprise dicyandiamide and dimethylformamide, and the curing accelerators comprise triethylenetetramine and tetraethylenepentamine. The iron printing coating is prepared from the printing solution by screen printing, environmental pollution is avoided, fewer materials are wasted, thickness of the iron printing coating is uniform, and adhesion is firm. The printing solution is completely suitable for aluminum pistons and cylinders to form an effective friction pair, and thus, the service life of an engine is prolonged while weight of the engine is reduced.

The invention relates to the technical field of mobile communication, in particular to a radio frequency power amplifier applied to 5G millimeter wave mobile communication. The radio frequency power amplifier comprises a multi-path power synthesis power amplifier framework, a microstrip line and a capacitor are used for pre-matching, an output end is matched to 50 ohms through a multi-section power synthesis network, an input matching network adopts gain matching, and an output network adopts a harmonic tuning structure; The invention provides a radio frequency power amplifier applied to 5G millimeter wave mobile communication. a circuit structure combining broadband matching and power synthesis is provided, a domestic mature GaAs technology is adopted, the bandwidth performance of the power amplifier can be effectively improved, and therefore the technical scheme for solving the problems that the millimeter wave band power amplifier is insufficient in gain and low in efficiency is provided, and high creativity is achieved.

The invention relates to an electronic non-contact bidirectional rotary intelligent wiper motor (called NIM for short) based on a current international and domestic universal mechanical contact motor. The wiper motor overcomes the shortcomings that the mechanical contact motor is cumbersome in structure, short in service life, high in failure rate, unstable in quality, difficult to mount and the like for a long time, interferential radiation cannot be generated when the wiper motor runs, other electronic devices in an automobile are protected from interference, and a structure of a transmission assembly in a wiper assembly is particularly omitted, so that the wiper assembly is simpler in structure and lower in use cost. The wiper motor fills up international and domestic gaps of the field of an automobile wiper motor industry.

The invention discloses an LPP-EUV (Laser-Produced Plasma-Extreme Ultraviolet Lithography) light source system for a multi-pulse combined pump. The LPP-EUV light source system is composed of a pump laser pulse source group, a pulse delay regulation device group, a beam direction regulation device group, an LPP-EUV generation device and a synchronous signal controller. The pump laser pulse source group outputs pump pulses, a pulse combination is generated through the pulse delay regulation device group and the beam indication regulation device group; the pulse combination enters into the LPP-EUV generation device, and is acted on a target material; the triggering signal of each pump laser pulse source is generated by the synchronous signal controller. By employment of the LPP-EUV light source system for the multi-pulse combined pump, not only can the restriction that a single pulse pump laser source power is insufficient be overcome, but also the energy conversion efficiency can be optimized through regulating the pump pulse combination, thus the power output capacity of the LPP-EUV photoetching light source is improved.

The invention discloses an on-line vacuum gasification system which comprises an oil liquid heater, a vacuum separating device, filters, condensers, roots pumps and a vacuum pump, wherein the vacuum separation device comprises a vacuum tank, an atomizer and a reaction rack; the filters comprises a primary filter, a secondary filter and a fine filter; an oil inlet pump, the primary filter, the oil liquid heater, the vacuum pump, an oil outlet pump, the secondary filter and the fine filter are sequentially connected; the atomizer comprises an oil inlet tube, a distributor and a nozzle; gas inlets of the condensers are communicated with a chamber between the atomizer and the reaction rack; gas outlets of the condensers are connected with the gas inlets of the roots pumps; the gas outlets of the roots pumps are connected with the gas inlet of the condenser III; the gas outlet of the condenser III is connected with the vacuum pump. An oil liquid firstly passes through the primary filter and is subsequently gasified in vacuum, and is finally filtered through the secondary filter and the fine filter, the filtration effect is good, condensation for water removal and drying treatment are performed through high-temperature vapor, and the service life of the vacuum pump is greatly prolonged.

The invention discloses a method for improving effective powers of a motor and a generator and polymers thereof, belonging to the application of novel auxiliary materials in the motor and the generator. The method specifically comprises the following steps of: 1, brushing a rotor sleeve and an inner wall of a shell of the motor or the generator by using the polymer, wherein the polymer is formed from nanoscale zinc crystal and polyurethane according to a special proportion; and 2, treating magnetic steel as an external coating installed on the motor or the generator until the magnetic steel is completely dried, wherein the polymer is formed from nanoscale potassium feldspar or albite crystal, C60 and polyurethane according to a special proportion. According to the method for improving theeffective powers of the motor and the generator, disclosed by the invention, the steps are simple, the output power of the motor can be effectively improved by above 20%, and the output voltage current of the generator can be improved by above 15%. The polymers can be used on various types of generators and motors, can be also used for brushing power equipment having the same theories and structures, and has wide application range.