79results about How to "High power conversion rate" patented technology

The invention relates to a TiO2 nanosheet vertically growing on the surface of a carbon-based electrode and a preparation method of the TiO2 nanosheet and belongs to the technical field of the nanomaterials. The preparation method of the TiO2 nanosheet comprises the following four steps: performing pretreatment on a substrate; performing an in-situ hydrothermal reaction on the pretreated substrate in a sodium hydroxide solution, which is a process of dissolution and recrystallization, and adding a certain amount of structural inducer to form a nanosheet array evenly grown in such a manner of being perpendicular to the surface of the substrate; performing washing and acid soaking, namely repeatedly washing the generated TiO2 nanosheet by use of ultrapure water after the reaction is completed and soaking the TiO2 nanosheet in an acid until the TiO2 nanosheet is neutral; and calcining for a while at a certain temperature in an N2 protection atmosphere to obtain the single-crystal vertically grown TiO2 nanosheet. The TiO2 nanosheet has excellent biocompatibility, stability and environmental friendliness; the preparation method is simple; the vertically grown TiO2 nanosheet is capable of reducing the resistance to electron transfer and can be applied to a microbial fuel cell (MFC) to improve electric quantity output.

An organic vertical cavity laser light producing device includes a bottom dielectric stack reflective to light over a predetermined range of wavelengths; an organic active region for producing laser light, and having an organic active region including emissive material; and a top dielectric stack spaced from the bottom dielectric stack and reflective to light over a predetermined range of wavelengths. Pump-beam light is transmitted and introduced into the organic active region through at least one of the dielectric stacks. The organic active region includes one or more periodic gain region(s) and organic spacer layers disposed on either side of the periodic gain region(s) and arranged so that the periodic gain region(s) is aligned with the antinodes of the device's standing wave electromagnetic field, and wherein the spacer layers are substantially transparent to the laser light.

The invention discloses an electromagnetic propulsion device. The electromagnetic propulsion device comprises an electromagnetic railgun and a thermoelectric power generation device. The electromagnetic railgun comprises two launch trajectories and an armature which is arranged between the launch trajectories. The thermoelectric power generation device comprises cold end substrates, hot end substrates arranged on the launch trajectories and thermoelectric modules arranged between the cold end substrates and the hot end substrates. The hot end substrates are used for conducting heat of the launch trajectories. The cold end substrates are used for providing low-temperature cold sources. The thermoelectric modules are used for conversion between heat/cold and electric energy. According to the electromagnetic propulsion device, the thermoelectric power generation device is disposed on the electromagnetic railgun; the heat of the launch trajectories is conducted through the hot end substrates, so that the temperature of the launch trajectories is decreased and loss caused by overheating of the launch trajectories is prevented to a certain degree; meanwhile, the thermoelectric modules convert heat into electric energy, so that the electric energy conversion rate of the electromagnetic railgun is effectively increased.

The invention discloses a multifunctional mixed power electronic transformer based on an MMC (multimedia card) matrix converter and a control method. The power electronic transformer comprises a powertransformer and an MMC matrix converter, a primary winding of the power electronic transformer is connected with a power grid, a secondary winding is connected with an input end of the MMC matrix converter in a star manner, an output end of the MMC matrix converter penetrates an LC filter and is connected with an isolation transformer, one end of the isolation transformer is connected with the secondary winding, and the other end of the isolation transformer is connected with a load. According to the transformer, the electric energy conversion efficiency of the power electronic transformer isimproved, compactness of the transformer is improved, the MMC matrix converter in transformer topology is based on a modular multilevel structure, so that the transformer is applied to high-voltage high-power occasions, voltage compensation can be achieved when the power grid is faulted, the electric energy quality of the power grid is improved, arm paths of a matrix converter structure are relatively independent, and flexibility of control strategies is improved.

The invention provides a high-efficiency energy-saving motor. The high-efficiency energy-saving motor comprises a case, a stator, a rotor, a base, a hanging ring, a radiating rib and a waterproof wire outlet device electrically connected with a coil, wherein the rotor comprises a rotor mandrel and a hollow rotor body; the hollow rotor body is fixed to the rotor mandrel; the rotor mandrel is provided with a concentric shaft hole; the wall of the shaft hole is provided with a spiral groove; holes and slots are uniformly formed in the rotor body; a geometric permanent magnet material is embedded on the periphery of the rotor body; the outer surface of the permanent magnet material is not lower than the surface of the rotor body; a magnetic conduction yoke made of a magnetic conduction material is attached and fixed to the outer surface of the permanent magnet material; the magnetic conduction yoke can cover the permanent magnet material; the magnetic conduction yoke is made of one of a silicon steel sheet, industrial soft iron and nodular cast iron; and the width of an air gap between the rotor and the stator is 4 to 8 mm. By using the motor, the loss is reduced and the efficiency is improved; the power can be improved by 1.5 to 2 levels; power factors are all above 90 percent; moreover, materials can be saved when the motor is manufactured.

This invention relates to braking system of all kinds of autos. The existing braking equipment as brake disc and brake drum all adopts friction theory, but this invention adopts electromagnetic induction theory. Moment on auto half way around axis is transferred to reluctance machine after accelerated by accelerator, then energy brought by auto inertia is transformed into electrical energy by reluctance machine, the electrical energy is then transformed into heat energy of stator and rotor and other resistance of electric machine, so velocity of energy transform is accelerated greatly, braking distance is shortened and auto safety is increased.

The invention relates to a sea wave swing blade type hydraulic power generation device of an ocean drilling platform. The device comprises a sea wave energy collecting part and a generator part; wherein, the wave energy collecting system comprises swing blades, a ratchet wheel-pawl mechanism, an inner transmission shaft, an outer transmission shaft, a reversing gear, a bevel gear and a rotating speed increaser; two ratchet wheels are arranged in a shaft hole at the upper part of the swing blades, and the ratchet wheels are matched the pawls; the pawls are arranged on the transmission shaft andpenetrate through the shaft hole of the swing blades and are matched with the pawls on the swing blades; the inner transmission shaft is sleeved in the shaft hole of the outer transmission shaft, andthe outer transmission shaft is provided with a slotted hole; the reversing gear is arranged at one end of the transmission shaft, and the bevel gear is arranged at the other end of the transmissionshaft; the rotating speed increaser consists of a speed increasing gear set, is used for increasing the output rotating speed and is connected with the generator. The power generation device can achieve approximately continuous energy collection and increase the power of the energy collection, has a simple structure and flexible space arrangement, and can achieve annular, single-row and multi-rowswing blade arrangement aiming at drilling platforms and coastal edges.

The invention relates to a technology for preparing hollow fiber based on an electrostriction material. The technology for preparing the hollow fiber based on the electrostriction material comprises the following steps that (1) the electrostriction material is prepared; (2) lifting, coating and molding of a hollow fiber body are carried out; (3) flexible conductive grease is coated; (4) inflationand prestretching are carried out; (5) sealing is carried out; and (6) energization is carried out. The hollow fiber can prepare hollow fiber cloth, artificial muscle and the like, can be applied to the technical field of aviation and space, such as a manipulator, stepless continuous force regulation is realized, and flexibility can protect a fetching object. The preparation is simple, the manufacturing cost is low, the scalability performance of the prepared hollow fiber is good, the electric energy conversion rate is high, and the technology for preparing the hollow fiber based on the electrostriction material is worthy of wide popularization and use.

The application discloses a power generation device and switch. The power generation device comprises a first U-shaped magnetic conductor 21, a second U-shaped magnetic conductor 22 disposed on both sides of a coil structure, an T-shaped magnetic conductor 6 which the extension end is inserted into a through cavity of the coil structure, a first magnet 31 and a second magnet 33 clamped between thefirst U-shaped magnetic conductor 21 and the second U-shaped magnetic conductor 22, wherein when the T-shaped magnetic conductor 6 moves in the through cavity, and the two sides of a T-shaped end arein contact with a open end of one of the U-shaped magnetic conductors, the extension end of the T-shaped magnetic conductor is in contact with a U-shaped end of the other U-shaped magnetic conductor.The present application solves the technical problem of lacking the power generation structure in the prior art which has high power conversion rate and is suitable for switching.

The invention provides a large jet turbocharged generating system. In the system, wind energy, solar energy and kinetic energy of cold and hot airflow complement each other and gather together and are led into a closed turbocharged turbine room by accelerating jets to generate the high-speed airflow with the speed being more than 60m/s, the artificial hurricane is generated, turbines are driven to rotate at constant speed in one direction, rotation of the turbines accelerates the airflow while the high-speed jet airflow drives the turbines, so the kinetic energy is reused to the hilt, thus breaking through the limits of the established laws that the natural wind speed is 25m/s and the power conversion efficiency is less than 0.59. The system realizes high power, all weather, full load, constant-speed power generation and friendly internet surfing of the single generator, has the greatest characteristic of breaking through the limits of current wind and solar photovoltaic power generation technology, fills the gap of large solar-thermal power generation and opens up another brand-new field using human to replace resources in the aspect of utilizing the clean inexhaustible renewable energy sources for large power generation.

The invention discloses a spherical solar lighting system which comprises at least one solar panel connected with an inverter, and the solar panels are all spherical solar panels which are connected in series to form a spherical solar battery array. The spherical solar lighting system comprises the spherical solar panels, a charge controller, a storage battery set, an inverter AC output, and the like and is a device for improving the solar generation convert ratio. The spherical solar lighting system learns the advantages of the prior solar panels and overcomes the defects of angle consideringand fixed lighting of sloping solar panels and lean-to solar panels. The spherical solar lighting system uses the spherical solar panels, though a sun angle tracking device is not used, the sphericalstructure of the spherical solar lighting system can guarantee that a half sphere is always under the irradiation of sunshine at any time under the condition that the sunshine exists, thus the stability of absorbing solar energy can be guaranteed.

The invention provides an artificial wetland system for treating rural domestic sewage. The system comprises a microbial fuel cell wetland module, which sequentially comprises an impermeable bottom layer, a sewage distribution layer, an anode layer, an insulating filler layer, a gas distribution layer, a cathode layer and a planting matrix layer from bottom to top, wherein the anode layer comprises an upper layer, a sandwich layer and a lower layer, the upper layer and the lower layer are plate-shaped anode materials with meshes, the upper layer is electrically connected with the lower layer,the sandwich layer is an active microorganism layer, and is filled between the upper layer and the lower layer, the cathode layer comprises a plate-shaped material with meshes, gas distributed in thegas distribution layer contains oxygen, and the anode layer and the cathode layer are connected with an external circuit through conduction wires to form a closed circuit. The artificial wetland system for treating rural domestic sewage has the advantages of high removal rate of organic matters, nitrogen and phosphorus in domestic sewage, high conversion rate of electric energy and low construction cost.

The invention provides a motor installing structure of a motorized spindle for grinding a railway bearing. According to the motor installing structure of the motorized spindle for grinding the railway bearing, an installing gap between the spindle and a sleeve is made to be small, the calorific value of a motor which is used is small, power conversion rate of the motor is high, and energy is saved. The motor installing structure of the motorized spindle for grinding the railway bearing comprises the spindle, the sleeve and the motor. The spindle is supported inside the sleeve through a front bearing pedestal and a rear bearing pedestal, a motor installation cavity is formed in the tail portion between the spindle and the sleeve, and the motor is arranged in the motor installation cavity. The motor installing structure of the motorized spindle for grinding the railway bearing is characterized in that the motor is a permanent magnet synchronous motor, the permanent magnet synchronous motor specifically comprises stators and rotors, the rotors are sleeved on the spindle, the outer annular surfaces of the rotors are covered by the stators, the outer shell bodies of the stators are embedded into the outer end annular face of the motor installation cavity, the tail portion of the spindle is provided with an encoder, and annular heat dissipation rings are arranged on the outer shell bodies of the stators.

The invention discloses a metering circuit for a multichannel AC digital electric energy meter. The metering circuit for a multichannel AC digital electric energy meter is characterized in that an input terminal is connected with a loop to be measured; an output terminal is connected with a data input terminal of a main control chip; a control terminal is connected with a chip selection terminal of the main control chip, is connected with a power supply module, and includes a 12-channel voltage acquisition unit, a 12-channel current acquisition unit and four metering chips; the 12-channel voltage acquisition unit acquires the voltage signals of a 12-channel loop to be measured; the 12-channel current acquisition unit acquires the current signals of the 12-channel loop to be measured; and the input terminal of each metering chip is respectively connected with the output terminal of a three-channel voltage acquisition unit and the output terminal of a three-channel current acquisition unit. The metering circuit for a multichannel AC digital electric energy meter overcomes the defect of time sharing metering of an existing multi-loop electric energy meter, so that the measuring accuracy is greatly improved; the active power achieves 0.1S; and the reactive power achieves 0.2S.

The invention belongs to the technical field of photovoltaic power generation, and particularly relates to an adjustable solar photovoltaic panel. The adjustable solar photovoltaic panel comprises a mounting plate, wherein a supporting plate is arranged below the mounting plate, damping springs are arranged between the supporting plate and the mounting plate, photovoltaic panels are arranged abovethe mounting plate, the photovoltaic panels comprises a first photovoltaic panel, a second photovoltaic panel and a third photovoltaic panel, wherein the first photovoltaic panel and the second photovoltaic panel are rotationally connected through a rotating shaft, and the first photovoltaic panel and the third photovoltaic panel are rotationally connected through a rotating shaft. The adjustablesolar photovoltaic panel can be installed on an automobile, a rotary arm can be driven to rotate by controlling a first motor and a second motor, the third photovoltaic panel and the second photovoltaic panel are sequentially opened, an original light receiving surface is unfolded into three light receiving surfaces, the electric energy conversion rate can be increased, electric energy conversionat different grades can be realized for charging the automobile, and meanwhile, the outer surface of the third photovoltaic panel is provided with toughened glass, so that the photovoltaic panel canbe contracted and folded to protect the device when the automobile meets severe weather or is in the running process.

The invention discloses a plasma polishing device, comprising a reaction tank, a DC stabilized power supply and a liquid circulation mechanism, characterized in that the DC stabilized power supply is a high-frequency power supply, and the reaction tank is composed of an iron plate and two PPR The iron plate is set between two PPR plates, the iron plate and the two PPR plates are closely attached, and the inner wall of the reaction tank is surrounded by an installation frame, which can be installed and disassembled A cathode plate is provided on the ground, and the liquid circulation mechanism includes a filter bucket, a water pump, and a pre-pump filter connected with the reaction tank. A valve is arranged in the water source pipeline of the reaction tank, and a float ball, a cathode plate and a heating rod with adjustable heating length, the heating rod is vertically inserted in the reaction tank, the floating ball is connected to one end of the floating ball rod, and the other end of the floating ball rod is connected to the valve switch and the heating rod respectively Power switch connection, higher power conversion rate, higher automation.

The invention relates to a gas and electric combined energy-saving heating cooking table, which comprises a table body, wherein the table body consists of a table system device, a cooking system device, a power adjusting device, a heating system device, a health care system device, a safe system device and an energy-saving system device jointly. The gas and electric combined energy-saving heating cooking table has the beneficial effects that electricity and gas can be used at the same time or respectively to cook food directly on the table; when temperature of a pot reaches a certain degree, the power can be adjusted; once circuit of the gas and electric combined energy-saving heating cooking table is in short circuit, the power supply is automatically cut off; and when the pot is over-heated, the gas is cut off automatically after flameout, thereby preventing people from gas poisoning or explosion. At the same time, the gas and electric combined energy-saving heating cooking table can be further used to heat and preserve health when people are at table; the gas and electric combined energy-saving heating cooking table is provided with a protective screening safe system, so that people is prevented from being burned when warming; and an electric ceramic furnace is adopted, so that the power conversion rate is improved greatly, and the energy utilization ratio is enhanced under the effect of a heat collector.

The invention relates to a sealing head manufacturing system and process, in particular to a silver steel composite plate sealing head manufacturing system and process. The silver steel composite plate sealing head manufacturing system comprises a water cutting device, a transportation mechanism, a stamping device, a dispatching device and cleaning equipment. The water cutting device is installed at one end of the transportation mechanism. The stamping device is installed in the middle of the transportation mechanism. The dispatching device is installed at the other end of the transportation mechanism. The cleaning equipment is installed above the dispatching device. Cutting and stamping forming are conducted on a silver steel composite plate through the process of water cutting, surface condition inspection, stamping forming and the like.