30results about How to "Low power supply" patented technology

The invention relates to a pump / turbine system, comprising a turbine having a turbine rotor and a spiral turbine casing; a pump having a pump impeller and a spiral pump casing; an electric machine, which has a drive connection to the shaft or can be brought into such a connection; and a hydraulic short-circuit can be produced between turbine and pump. The invention is characterized by the following features: the turbine has a higher rated output than the pump.

A device for controlling electric drives in machinery includes an electronic control unit for calculating in advance the electric power required by the at least one electric drive as a function of motion profiles of the electric drive. A printing material processing machine having the drive, is also provided.

The invention discloses a land-based array type high-energy laser antiaircraft method, in particular, relates to an antiaircraft defensing method for forming high-energy laser weapons by combining multiple land-based low-power laser emitter arrays, belongs to the technical field of laser antiaircraft weapons, and solves such defects as difficult production, use and maintenance, easy attack by enemies and incapability of quickly maintaining after attack caused by large size of a traditional high-energy laser weapon. Single laser weapon is formed by a small-lower laser generator and auxiliary equipment; multiple times of array combinations are performed for single laser weapon to finally form a national land-based laser weapon antiaircraft system; and the combined system can achieve high emitting power and low power supply power needed by single laser weapon, can realize operation of an accumulator spare unit, is low in total manufacturing cost and wide in antiaircraft range, can perform multi-array and multi-city unite antiaircraft, is low in operation and maintenance costs, is high in enemy destructive resistance, and is high in practicability.

The invention discloses a land-based array type high-energy laser weapon defensing method, in particular, relates to an antiaircraft defensing method for forming high-energy laser weapons by combining multiple land-based low-power laser emitter arrays, belongs to the technical field of laser antiaircraft weapons, and solves such defects as difficult production, use and maintenance, easy attack by enemies and incapability of quickly maintaining after attack caused by large size of a traditional high-energy laser weapon. Single laser weapon is formed by a small-lower laser generator and auxiliary equipment; multiple times of array combinations are performed for single laser weapon to finally form a national land-based laser weapon antiaircraft system; and the combined system can achieve high emitting power and low power supply power needed by single laser weapon, can realize operation of an accumulator spare unit, is low in total manufacturing cost and wide in antiaircraft range, can perform multi-array and multi-city unite antiaircraft, is low in operation and maintenance costs, is high in enemy destructive resistance, and is high in practicability.

The invention relates to a suspended type ultrafine dry powder extinguishing installation. In a suspended state, from top to bottom, the suspended type ultrafine dry powder extinguishing installation comprises a hanging ring, a pressure signal switch, a fire extinguishing agent storage tank, a heat-gathering cover, a spray head provided with a choke plug, a safe pressure relief device, a temperature sensing glass marble or a fusible element, an automatic starting device, and a set screw for fastening the temperature sensing glass marble or the fusible element, wherein the hanging ring is welded together with the fire extinguishing agent storage tank, the inside of the hanging ring is provided with a hole communicated with the fire extinguishing agent storage tank, the pressure signal switch is positioned in the hole, the heat-gathering cover is connected between the fire extinguishing agent storage tank and the spray head, the temperature sensing glass marble or the fusible element and the automatic starting device are positioned in the spray head, the temperature sensing glass marble or the fusible element is positioned in the automatic starting device, the upper part of the temperature sensing glass marble or the fusible element is connected with the choke plug, while the lower part is connected with the set screw, and the set screw is penetrated in the hole below the spray head. The suspended type ultrafine dry powder extinguishing installation has quick response, can sense a fire disaster in the smoldering stage, and need small feeding power.

The invention relates to a deoxyribonucleic acid (DNA) fragment amplification and quantitative detection system based on closed reactors, belonging to the technical field of molecular biology detection systems. The DNA fragment amplification and quantitative detection system comprises an amplification unit. A group of closed reactors are arranged in the amplification unit in a matching way. An exciting light device and a fluorescence detection device are arranged on one side of each closed reactor in a matching way. A transmission device which is used for providing power to the closed reactors is arranged at the bottom of the amplification unit in a matching way. The transmission device is connected with a motor. Two or more than two independent constant-temperature areas at different temperatures are arranged in the amplification unit in a matching way. By adopting the technique, the thermal response of reagent samples is improved, the polymerase chain reaction process is accelerated and the experimental period is greatly shortened; the degradation of DNA enzymes is reduced, the amplification sensitivity, accuracy and reproducibility of the samples are improved and the reagent detection linearity range is expanded; the pollution risk during experiments is reduced; the optical path is shortened and the sensitivity and the low background of optical detection are improved; and the low-cost multi-sample multi-channel detection is realized.

The invention discloses an axial foil-free diode composite guiding magnetic field system, which comprises an insulator, an anode cylinder, an annular cathode, a drift tube, a solenoid, a magnet column and a permanent magnet ring, wherein the solenoid, the magnet column and the permanent magnet ring are installed at the outer side of the drift tube in an enclosing mode; one side of the drift tube is provided with the annular cathode, and the other side of the annular cathode is connected with one end of the magnet column; and the other end of the magnet column penetrates through the permanent magnet ring and the insulator and is connected with the external part. According to the invention, stable and efficient transmission for electron beams in the axial direction is realized through using the permanent magnet ring, the solenoid and the soft magnet in a combination mode. In addition, the system disclosed by the invention is compact in structure, light in weight and low in power required to be consumed, and the generated magnetic field distribution can be adjusted conveniently.

The invention provides a power saving-typed uninterrupted electrical source supplier, and the supplier comprises a transformer, a automatic voltage regulator (AVR), a charging and energy changing circuit, a normal mode judging unit and an electrical switch; wherein, the transformer comprises a primary side and a secondary side, the primary side is connected with AC electrical source; the AC inputterminal of the AVR is connected with the secondary side of the transformer; the charging and energy changing circuit is connected with the secondary side of the transformer and charges the accumulator; the normal model judgment unit is connected with the AC electrical source and the accumulator, so as to examine the power supply state of the AC electrical source and the electric quantity of the accumulator and judge whether the present state is in the working state of normal mode; and the electronic switch is connected with the electrical source loop of the transformer and the AC electrical source in series, the control terminal of the electronic switch is connected with the output terminal of the normal mode judging unit, and the switching terminal is connected with the load. The electrical source supplier of the invention can avoid that load obtains working electrical source under the normal mode by the transformer and can reduce the power of electrical source consumed by the transformer.

An all-surrounding type large-scale cylinder section induction heating furnace mainly comprises a machine frame, a furnace lid, an upper end induction wire tube, wire clamps, partition plates, oil cylinder supports, double piston rod oil cylinders, double-piston rods, copper blocks, an outer wall induction wire tube, outer movable refractory walls, inner movable refractory walls, an inner wall upper end induction wire tube, an inner wall lower end induction wire tube, through holes A, power interfaces A, power interfaces B, cylinder sections, piston rods, oil cylinders, bearing platforms, a fixed base, a lower end induction wire tube, supporting rods, annular connecting rods, connecting rods A, connecting rods B and furnace walls. According to the all-surrounding type large-scale cylinder section induction heating furnace, the induction heating principle is utilized, fast heating of the large-scale cylinder section heat treatment process is achieved, and one-time heating time of the cylinder sections is shortened from tens of hours to 6-8 hours; the distance between coils and the inner walls of the cylinder sections as well as the distance between the coils and the outer walls of the cylinder sections can be adjusted flexibly, uniform heating of the inner walls and the outer walls of the cylinder sections is achieved, the power factor of an inductor is increased, and the required source power is decreased; and heating of the cylinder sections with different diameters and thicknesses is achieved.

An image sensor includes the following: a sensor unit being made up of a plurality of pixels; a scanning circuit having a dynamic logic circuit which outputs selection signals that select pixels from among the plurality of pixels in the sensor unit; and a bootstrap circuit that is placed between the scanning circuit and the sensor unit. The bootstrap circuit holds the selection signal outputted from the scanning circuit during one horizontal scanning period, and outputs, to the sensor unit, an AND signal obtained by operating a logical AND between the held selection signal and a drive signal that specifies a timing to output the AND signal to the sensor unit.

The present invention proposes a diversion method for improving concentration polarization when a microwave regular metal waveguide is gold-plated. ; Fix the microwave regular metal waveguide to the electroplating rack; make the small diameter part of the guide device and the microwave regular metal waveguide cavity be in the same axial direction, and be fixed at a certain distance from the electroplating rack to form an electroplating whole; After the electroplating gold pretreatment step, the electroplating whole is immersed in the electroplating gold solution; the electroplating whole and the electroplating gold solution are relatively moved. The present invention realizes the purpose of improving the concentration polarization during the gold plating of the microwave ruled metal waveguide, improves the deposition speed of the electroplating gold layer during the gold plating of the microwave ruled metal waveguide, improves the production efficiency, and improves the gold plating layer of the microwave ruled metal waveguide the quality of.

The invention discloses a falling film liquid humidity conditioner and a method based on the polarization effect of a high-voltage electrostatic field. The liquid humidity conditioner of the present invention includes an electric field strengthening device for applying an electric field to a falling film device, and the electric field strengthening device includes a first electrode and a second electrode connected to both ends of the power supply to form a non-uniform electric field, the first electrode An electric field capable of placing the falling film device is formed between the first electrode and the second electrode. The invention utilizes the effect of the non-uniform high-voltage electrostatic field on the polar molecule water molecules, accelerates the migration process of the water molecules in the solution to the air, and distributes the solution evenly through the arrangement of the wetted materials. The device requires extremely small power supply and low energy consumption, thereby improving the efficiency of the system.

The invention discloses an electrolyte applied to laser coupling microplasma arc oxidation of 7075 aluminum alloys. The electrolyte comprises the following components according to concentration: 1-30g / L of Na2SiO3, 0.5-10g / L of NaOH, 0.1-5g / L of Na2WO4, 1-20g / L of Na2Al2O4, 0.05-2.0g / L of La(NO3)3.6H2O, 0.5-10g / L of C10H14N2O8Na2.2H2O and the balance of deionized water. According to the electrolyte applied to laser coupling microplasma arc oxidation of 7075 aluminum alloys, a lot of experiments finally show that voltage and power of a micro arc oxidation power supply can be further reduced by adding sodium aluminate and lanthanum nitrate hexahydrate on the basis of the conventional micro arc oxidation electrolyte; oxidization ceramic layers with micro hardness being higher than 2000HV can be obtained by oxidizing under lower voltage being lower than 400V and lower power being lower than 120kW of the power supply.

The invention discloses a substrate with touch control function, a touch control device is arranged on the substrate and comprises a power line, a photodetector and a read line, wherein the photodetector is electrically coupled to the power line and two specifically gate lines in gate lines, and produces different output signals according to different illumination extents; the read line is electrically coupled to the photodetector to output the output signals; the photodetector comprises a read switch and a photosensitive switch, wherein the read switch is electrically coupled to one of the two specifically gate lines so as to determine whether switch-on according to signals transmitted, the photosensitive switch is electrically coupled to the other one of the two specifically gate lines and the power line, and produces different leakage current according to different illumination extents, and the signals on the other one of the two specifically gate lines and the power line are coordinated to control whether the photosensitive switch is operated under close state. The invention also discloses a liquid crystal display with touch control function and an operation method for drivingthe substrate with touch control function.

The invention discloses a photovoltaic intelligent school badge and a monitoring method, and belongs to the technical field of electronic school badges. The photovoltaic intelligent school badge is characterized in that a photovoltaic energy supply module, a current sampling module, a communication module, a positioning module and a central processing unit (MCU) are arranged in a box body of the photovoltaic intelligent school badge, a photovoltaic cell is a silicon-based thin film cell, a silicon thin film photosensitive probe is integrally manufactured on a film surface, and the photosensitive probe and the current sampling module form an illuminance sensor. The current sampling module converts output current of the photosensitive probe into voltage signals and is connected to an AD port of the MCU single-chip microcomputer for voltage sampling, the MCU single-chip microcomputer interacts with the NB module, the Bluetooth module and the GPS module through UART serial ports, acquired information is transmitted to the data management platform through the NB module for data analysis and management, and the MCU single-chip microcomputer is connected with a mobile phone APP through the Bluetooth module. The mobile phone APP and the data management platform perform data interaction through the Internet, so that low-power-consumption energy supply is realized, intermediate links are reduced, the energy consumption is reduced, and the cruising ability is prolonged.