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83results about How to "Continuous and stable output" patented technology

In-situ exploitation flow-heat transfer experiment device for compact oil shale

The invention relates to an in-situ exploitation flow-heat transfer experiment device for compact oil shale, and belongs to the technical field of experiment measuring instruments. The device comprises a flow-heat transfer core holding unit, an axial-confining pressure injection system, an axial-radial pressure stabilizing system, a temperature-strain monitoring system, a liquid cooling circulating system, a safety backflow preventing system, a flow monitoring system, a gas collection-recovery system and a control and data recording system cooperating with each other. According to the device,a thermal fluid medium with pressure is injected into a core with a fracture in the flow-heat transfer core holding unit, and axial and radial strains are observed to determine a critical temperaturepoint that the fracture in the core closes up under the condition of heat injection and critical pressure that the fracture is opened again under the pressurizing condition of the thermal fluid mediumin the later period, and thereby, closure critical parameters of the fracture during in-situ exploitation are obtained; and the permeability variation situation of the core with the rock mass fracture can be evaluated through the conditions of flow before changes and flow after changes, and thereby, reservoir fractures effectively communicate for a long term by regulating site construction parameters to facilitate heat injection and oil and gas migration in the later period.
Owner:JILIN UNIV

Energy-saving high-efficiency MVR evaporation and concentration system

The invention discloses an energy-saving high-efficiency mechanical vapor recompression (MVR) evaporation and concentration system. Through the system, stable and continuous operation can be realized,and the efficiency of an evaporation process is high. The system comprises a raw material tank, preheating devices, a horizontal tube falling film evaporator, a silk screen defoaming device, a condensate liquid storage tank, a concentrated liquid storage tank, a steam compressor and a vacuum system which are connected through pipelines, valves and related pumps; the bottom of the raw material tank is connected with the inlet of a feeding pump, and is connected with the inlet of the horizontal tube falling film evaporator through the multi-stage preheating devices; the silk screen defoaming device is arranged at the top of the horizontal tube falling film evaporator; the bottom of the horizontal tube falling film evaporator is connected with the concentrated liquid storage tank; the tube pass of the horizontal tube falling film evaporator is connected with the condensate liquid storage tank; steam condensate water is connected with the preheating devices through the condensate liquid storage tank; the vacuum system comprises a water-ring vacuum pump, a vacuum condenser, a vacuum condensation liquid storage tank and a circulating water tank; and the discharge of pressure and non-condensable gas in the tube pass of the horizontal tube falling film evaporator is completed through feedback regulation of a pressure transmitter and a control valve.
Owner:NANJING UNIV OF TECH

Intelligent energy management system of power battery pack

The invention discloses an intelligent energy management system of a power battery pack. The intelligent energy management system comprises a main controller and a plurality of single battery intelligent management modules, wherein single batteries in the power battery pack are divided into a plurality of groups, each group is corresponding to each single battery intelligent management module and comprises at least one single battery, each single battery intelligent management module is used for monitoring a state of the single battery in the group, the abnormal single battery (group) is isolated when a monitoring result is abnormal, communication of the power battery pack is maintained, and the main controller is used for performing voltage regulation on total output voltage after control of each single battery intelligent management module and continuously outputting a preset stable current and total voltage. A failure battery is intelligently and automatically removed on line, the battery pack is enabled to still continuously and stably output a normal voltage and a normal current when the batteries in the whole group do not exceed a plurality of failure batteries in a certain proportion, so that the reliability and the availability of the power battery pack within planned backup time are guaranteed and improved, and the service lifetime of the battery pack is prolonged.
Owner:北京胜风合力系统技术有限公司

Air cylinder linkage plug pin type automatic tray supply warehouse

The invention discloses an air cylinder linkage plug pin type automatic tray supply warehouse. The air cylinder linkage plug pin type automatic tray supply warehouse comprises a rack assembly, a chainwheel conveying assembly, a sensor assembly, a plug pin assembly, a protection frame assembly and a power assembly' the power assembly comprises an air cylinder assembly and an engine assembly whichare arranged in a cavity formed in the middle of the rack assembly. Through fit between multiple sensors and an air cylinder and ingenious fit of the chain wheel conveying assembly, full-automatic continuous stable extraction and conveying of trays can be achieved, and the warehouse is portable and efficient; the air cylinder with an electromagnetic valve is used for lifting the trays, the characteristic of the electromagnetic valve is used, during power failure, the pressure can be kept, one-air-cylinder multi-stroke moving is achieved, in the key fit position in the midway, the air cylinderis lifted for staying, a vertically moving execution mechanism is reduced, and the warehouse is simple and reliable; a crank connecting rod mechanism is used, pushing of the air cylinder s converted into rotation of a plug pin shaft, the plug pin can be driven to be rotated out, separation of the trays can be achieved, and through shrinkage, the plug pin is driven to be reset.
Owner:JIANGSU UNIV OF SCI & TECH IND TECH RES INST OF ZHANGJIAGANG

Household hybrid power supply management system and power supply management method

The invention discloses a household hybrid power supply management system and a power supply management method. The hybrid power supply management system comprises a utility power input circuit, a photovoltaic panel and a storage battery. The hybrid power supply management system is characterized in that the photovoltaic panel is connected with the storage battery through an MPPT (Maximum Power Point Tracking) controller and a DC chopper which are connected in series; the storage battery is connected with a photovoltaic controller and is connected with an inverter circuit through a charging and discharging system; the photovoltaic controller is also connected with the MPPT controller; the utility power input circuit is connected with an utility power output control circuit which is connected with the photovoltaic controller; the inverter circuit is connected with an isolation transformer; and the utility power output control circuit and the isolation transformer are connected with an AC output interface. The system provided by the invention supplies electricity in the manner of integrating photovoltaic power, utility power and the storage battery together, has a logic control function, and outputs a pure sine wave through an inverter. In addition, the system has a voltage adjustment function and outputs stable voltage.
Owner:山东力诺电力设计咨询有限公司

Intelligent traffic communication signal processing system based on cloud computing

InactiveCN111754788ARealize inter-regional traffic controlEliminate low frequency interferenceControlling traffic signalsArrangements for variable traffic instructionsNoise (radio)Interference (communication)
The invention discloses an intelligent traffic communication signal processing system based on cloud computing. The system comprises a background management server and a terminal intelligent control cabinet. The terminal intelligent control cabinet comprises an instruction receiving and processing module and a signal lamp control module. The instruction receiving and processing module comprises anantenna E1 for receiving a remote control instruction of the background management server; the antenna E1 sends the received instruction signal to an impedance matching circuit and a low-noise amplifying circuit in sequence for processing; the signal lamp control module comprises a microprocessor and a control circuit. The microprocessor is connected with a radio frequency chip U1 through a serial port. The output port of the microprocessor is connected with the control end of the control circuit. According to the invention, the influence of low-frequency interference or peak interference inthe circuit on a control instruction signal is well eliminated in the instruction receiving stage, the high-frequency clutter interference is eliminated, the identification capability of the system onthe control instruction is effectively improved, the remote communication signal receiving and processing capability is strong, and the signal lamp remote control is accurate and effective.
Owner:周子全

Steam care method of washing machine

The invention discloses a steam care method of a washing machine, relates to the technical field of laundry equipment, and aims to solve the problems that continuous and stable steam cannot be generated and clothes are easily wetted in a care process of the washing machine in the prior art. According to the steam care method of the washing machine, the washing machine comprises a box body provided with a water injection opening, a water inlet pipe communicated with the water injection opening and provided with a water inlet valve, a washing drum mounted in the box body, a drying assembly which comprises a drying air duct, a heating device and a fan, and a steam generating device communicated with the water inlet pipe and the washing drum, wherein the two ends of the drying air duct communicate with the washing drum, and the heating device and the fan are both mounted in the drying air duct. The steam care method comprises the following steps of receiving a signal for operating a steam care process; executing a steam care circulation process, wherein the steam care circulation process comprises the steps of controlling the washing drum to rotate; and controlling the steam generating device to be started, and intermittently opening the water inlet valve.
Owner:HISENSE(SHANDONG)REFRIGERATOR CO LTD

An island energy supply system using cold energy

The invention relates to an island energy supply system with cold energy. The island energy supply system comprises an LNG power generation system unit, a renewable energy power generation and energy storage unit and a low-temperature multi-effect distillation seawater desalination system. The island energy supply system is a combination island energy supply system formed by power generation and energy storage systems in a combination mode based on an LNG power generator and unstable renewable energy such as wind energy, solar energy and wave energy. System waste heat is used as a heat source for a seawater desalination unit. During an energy storage process, stored LNG is converted into high-pressure natural gas (NG) by cold accumulation gasifying, the NG enters an NG storage tank and a pipe network system for storage and standby application, then air is subjected to compression, indirect cooling and cold accumulation, cold energy is recycled, and after throttling, liquidation storage is carried out. During a power using process, after high-pressure NG absorbs heat and is heated, the high-pressure NG enters a turbine expansion machine for working, then the NG enters a small gas turbine combustion chamber and burns with compressed air to drive a gas turbine to work, and liquid air is subjected to cold accumulation and gradual heat absorption temperature raising and then enters the turbine expansion machine for working. According to the energy supply system, on-island electricity energy and fresh water can be supplied at the same time, unstable renewable resources are converted into stable controllable generated power to be output, system efficiency is improved, power using cost is lowered, and compared with traditional island energy supply system, the island energy supply system has the great advantages.
Owner:鄂尔多斯大规模储能技术研究所 +1

Miniature air-compression generator

The invention relates to a miniature air-compression generator, comprising a motor body, a shaft sleeve, output wires and a blade. The output wires are connected with the motor body. The motor body includes: a motor housing; a motor shaft, a support, a coil, a magnetic sleeve and a rear cover mounted in the motor housing. The blade is passed through one end of the motor shaft and fitted to the shaft sleeve; the other end of the motor shaft is connected with the support. The coil is mounted on the support. The magnetic sleeve is connected with the motor body via a socket shaft. Two bearing bushes are embedded in the two ends of the inside of the socket shaft. The motor shaft is mounted by being passed through the two bearing bushes. A gap is provided between the motor shaft and each bearingbush. The blade is used herein as a driving component; when the blade is driven by wind to rotate, the motor shaft drives the coil to rotate around the magnetic sleeve, current is output, and power generation is finished. The startup speed and rotation speed are changed by adjusting the blade specification so as to adapt to different flight environments and startup conditions; the requirement onminiaturization can be met. The whole miniature air-compression generator which is of slender cylinder structure is applicable to projectile structures and allows on-projectile space to be conveniently allocated.
Owner:杭州亨安科技有限公司

3D printing material extruder

The invention discloses a 3D printing material extruder in remote driving and short extruding. A driving function device and a material extruding function device are separated; and torque is transmitted through a soft shaft, continuous and stable output of the torque can be guaranteed, relative movement can also happen, and the installing flexibility is greatly improved. The driving function device is installed on a 3D printer support, and does not move along with a printing sprayer, the inertia of the printing sprayer is greatly reduced, and movement control of the printing sprayer can be more accurate. Especially for a fast printing and forming model, the control precision on the printing sprayer is improved, and the forming rate of the model can be greatly increased; and the material extruding function device is installed on a 3D printing sprayer support and moves along with the printing sprayer, material wires extruded by a driving extruding wheel and a driven pressing wheel are made to enter a throat pipe at a shortest distance, and wire outflow stability and uniformity are kept. Especially for a flexible material, the distance between the material extruding device and the throat pipe is shortened, and the problem that because of material wire bending and stretching and shrinking, wire outflow is not uniform can be solved to the maximum extent.
Owner:DALIAN UNIV OF TECH

On-chip terahertz source based on hyperbolic metamaterial and preparation method thereof

ActiveCN112563863AWide Terahertz Radiation SpectrumContinuous and stable outputSolid masersGratingTerahertz radiation
The invention provides an on-chip terahertz source based on a hyperbolic metamaterial and a preparation method of the on-chip terahertz source; the hyperbolic metamaterial structure layer is formed bythe material of which the terahertz waveband is covered by the plasma frequency and the material which is dielectric in the terahertz waveband, and a slit grating is arranged on the first surface ofthe hyperbolic metamaterial structure layer; and an electron beam is arranged on the second surface of the hyperbolic metamaterial structure layer, so that the hyperbolic metamaterial structure layercan generate terahertz radiation, and the terahertz radiation in the free space is extracted through the slit grating. Terahertz radiation is generated by using the hyperbolic metamaterial structure layer, so that relatively wide terahertz radiation frequency spectrum, miniaturization of a terahertz source and on-chip integration can be realized; terahertz radiation is generated by the action between the hyperbolic metamaterial structure layer and an electromagnetic field formed by electrons in an electron beam, and continuous and stable output of the terahertz radiation can be realized underthe condition that the kinetic energy of the electrons in the electron beam is stable.
Owner:TSINGHUA UNIV

Sea surface small target heaving motion measurement method

The invention discloses a sea surface small target heaving motion measurement method, and mainly aims to solve the problem of obtaining a target heaving motion track to estimate sea condition information before a sea surface small target is recovered. The method mainly comprises the following steps: solving an SINS and GNSS combination result, extracting a heave motion track, calculating a wave height and an effective wave height, simulating a wave surface time history, and carrying out combined calculation on the SINS and the wave surface time history. According to the method, when the GNSS is effective, the heave motion trail is extracted from the combination result of the SINS and the GNSS, when the GNSS fails, effective wave height data is extracted from the heave motion trail of the previous time period, the wave surface time history in the next time period is simulated in combination with the wave spectrum, the SINS and the simulation value are combined for calculation, and the heave motion trail of the target is extracted. According to the method for simulating the wave surface time history by using the wave spectrum, the problem of sky divergence caused by the SINS under the condition of long-time loss of the GNSS is solved, and the method has an important reference value in the aspect of estimating sea condition information.
Owner:SOUTHEAST UNIV

Iron phosphate wastewater treatment system and treatment method

The invention discloses an iron phosphate wastewater treatment system and treatment method. The iron phosphate wastewater treatment system comprises a preheating unit, a falling film evaporation unit, a forced circulation crystallization unit and a flash evaporation crystallization unit which are connected in sequence, the forced circulation crystallization unit comprises a forced circulation heater and a forced circulation crystallizer which are connected in sequence; the side wall of the forced circulation crystallizer shell is provided with a mother liquor overflow port, a circulation feeding port and a circulation discharging port from top to bottom, and the circulation discharging port is located at the bottom end; a circulating feeding pipe is nested from the circulating feeding hole to the inner cavity of the shell; the outlet end of the circulating feed pipe is arranged above the mother liquor overflow port; and the flash evaporation crystallization unit comprises a flash evaporation crystallizer, and a feed port of the flash evaporation crystallizer is connected with the mother liquor overflow port. By utilizing the wastewater treatment system, ammonium sulfate and monoammonium phosphate with relatively high purity can be continuously and stably produced, and the separated ammonium sulfate and monoammonium phosphate are used as raw materials of industrial nitrogen fertilizer and compound fertilizer.
Owner:中膜(浙江)环保科技有限公司

Electronic cigarette capable of outputting large amount of smoke

The invention discloses an electronic cigarette capable of outputting a large amount of smoke, and aims to provide an electronic cigarette which has a stable generating amount and can output a large amount of smoke. The electronic cigarette includes a shell with the tail end provided with a smoke outlet hole, a gas-permeable cover arranged at the front end of the shell, a wind pressure switch, a battery and a smoke formation device, wherein the wind pressure switch, the battery and the smoke formation device are sequentially arranged in the shell from the front end to the rear end. The smoke formation device includes an oil storage barrel, an oil blocking plug with the middle provided with a through hole, an air guide pipe mounted on the oil blocking plug, oil storage cotton filling the oil storage barrel and soaked with tobacco tar, and a heating element sleeving the outer wall of the front end of the oil storage barrel and adhering to air holes, wherein the front end of the oil storage barrel is open, and the outer wall of the open end of the oil storage barrel is provided with the plurality of air holes. The outer edge of the oil blocking plug is in air-tight seal matching withthe inner wall of the shell, a smoke output channel for smoke to circulate is disposed between the outer wall of the oil storage barrel and the inner wall of the shell, and the smoke output channel iscommunicated with the smoke outlet hole. The front end of the air guide pipe is communicated with the outside through an inner cavity of the shell. The wind pressure switch, the battery and the heating element are electrically connected with each other.
Owner:CHINA TOBACCO YUNNAN IND

Air conditioner with expansion turbine power generation device

The invention relates to an air conditioner with an expansion turbine power generation device. The air conditioner with the expansion turbine power generation device comprises a compressor on the air conditioner, a coolant in the compressor, an evaporator and a power supply system of the air conditioner. An expansion turbine communicated with a high pressure discharge port is arranged on the high pressure discharge port of the compressor, the expansion turbine is provided with a turbine blade rotation central shaft, a magnetic force generator is arranged at the output end of the turbine blade rotation central shaft in transmission connection mode, and current generated by the magnetic force generator is output to the power supply system of the air conditioner. Kinetic energy of high pressure air flow generated by the coolant when the air conditioner is operated is indirectly converted into electric energy which can be used by the power supply system of the air conditioner, an existing expansion valve is replaced by a combined device to achieve the reverse Carnot cycle principle, and energy consumption of the air conditioner is reduced. Due to the fact that pressure of the coolant compressed by the compressor of the air conditioner is continuous and stable, and the air conditioner can obtain continuous and stable electric energy output and is strong in practicability.
Owner:QINGDAO YUANEN ELECTRONICS

LED emergency illumination lamp driving system

The invention discloses an LED emergency illumination lamp driving system. The LED emergency illumination lamp driving system comprises an AC/DC constant-voltage driving circuit, an input power supply selection auxiliary circuit, an LED driving circuit, an LED emergency lamp and a battery charging circuit; the output end of the AC/DC constant-voltage driving circuit is electrically connected with the input power supply selection auxiliary circuit; a switch power supply circuit with a Buck topological structure is adopted in the AC/DC constant-voltage driving circuit; 220V voltage is converted into 12V voltage to be output, so that high energy conversion efficiency is achieved; the battery charging circuit supplies power indirectly through the input power supply selection auxiliary circuit; the input power supply selection auxiliary circuit is electrically connected with direct current electrical equipment and the LED driving circuit in sequence; the power supply design topological structure is simple, and driving requirements of different kinds of elevators or LED emergency lamps of different power matched for different companies can be satisfied; and in addition, the circuit has the characteristics of practicability, energy conservation, long service life, high reliability and the like.
Owner:邱晖
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