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59results about How to "Stable energy supply" patented technology
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Energy acquisition and power supply management device of current transformer of overhead line
InactiveCN101888121AAvoid lossImprove power qualityBatteries circuit arrangementsElectromagnetic wave systemSupply managementHigh pressure
The invention discloses an energy acquisition and power supply management device of a current transformer of an overhead line, which is characterized in that both output ends of the current transformer are connected with both input ends of a booster; both output ends of the booster are connected with both input ends of a rectification circuit; the positive output end of the rectification circuit is connected with a load after being connected with a voltage-stabilization output circuit; the second output end of the booster is connected with the power supply output end of a charging circuit; the positive output end of the rectification circuit is connected with the control end of the charging circuit after being connected with a sampling comparison circuit; the output end of the charging circuit is connected with the power supply input end of a gate circuit; the output end of the gate circuit is connected with the input end of a booster circuit; the output end of the booster circuit is connected with the load; and a delaying comparison circuit and the gate circuit are connected. The invention has the advantages that when short circuit or the noload of the overhead line is generated in the energy acquisition process of the current transformer, power is safely and stably supplied to overhead line high-voltage side equipment, in particular to online monitoring equipment.
Owner:CHONGQING UNIV
Tide energy and wave energy coupled power generation and freshwater production system
InactiveCN102338021ATake advantage ofReduce storageSeawater treatmentWater/sewage treatment bu osmosis/dialysisOcean bottomFresh water organism
The invention discloses a tide energy and wave energy coupled power generation and freshwater production system which comprises a foundation column, a wave energy acquisition device with a floating bowl, a tide energy capturing device, an oil tank, a hydraulic energy storage system, a freshwater production device and a power generation device, wherein the foundation column is fixed on the seabed, the wave energy acquisition device is arranged on the foundation column, and the tide energy capturing device is arranged on the flowing bowl. The oil tank provides oil for the wave energy acquisition device and the tide energy capturing device; oil output ends of the wave energy acquisition device and the tide energy capturing device are respectively connected with the oil input end of the hydraulic energy storage system, and the oil output end of the hydraulic energy storage system is respectively connected with oil input ends of the power generation device and the freshwater production device.
Owner:NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG
Direct-expansion solar heat pump and sewage source heat pump coupling heat supply system
ActiveCN106594840ASolve intermittentFix instabilityMechanical apparatusCentral heating with accumulated heatEngineeringSupply energy
The invention discloses a direct-expansion solar heat pump and sewage source heat pump coupling heat supply system. The direct-expansion solar heat pump and sewage source heat pump coupling heat supply system is characterized in that a direct-expansion solar heat pump system body enables the evaporation temperature of refrigerants to be maintained within a certain range by arranging a phase change heat storage device, and accordingly the influence of the change of solar radiation intensity on the system stability is greatly reduced; a heat storage water tank stores solar energy and preheats intermediary water, so that heat produced by the direct-expansion solar heat pump system body is effectively transmitted to a heat consumer, and effective coupling of solar heat collection, the heat storage technology and a sewage source heat pump is completed. The direct-expansion solar heat pump and sewage source heat pump coupling heat supply system has the benefits and effects that the problems of intermittency and unstability of solar energy resources are effectively solved, the effect that the system can supply energy is ensured, the system performance is improved substantially, and the system is efficient and environmentally friendly.
Owner:大连葆光节能空调有限公司
Wireless energy and data combined transmission method
InactiveCN104301946AStable energy supplyIncrease transfer ratePower managementNetwork traffic/resource managementRadio frequency signalEnergy supply
The invention discloses a wireless energy and data combined transmission method. The method includes the steps that a source node broadcasts the sending sequence of relay nodes through a signaling channel first; the source node broadcasts energy to all the relay nodes in time tau 0; the source node sends data to the l relay node in time tau l, wherein l =1, ..., L; when one of the relay nodes receives the data, other relay nodes can collect energy from a received radio-frequency signal by chance; in the relay sending stage, the relay nodes forward the data received from the source node to a destination node according to the sending sequence, when one relay node sends data, other relay nodes are placed in an energy collecting state, in each sending process, all the energy of the relay nodes is used up, and after sending is completed, the relay nodes broadcast 'END' through the signaling channel, which means that sending is completed. Compared with the prior art, according to the technical scheme, stable energy supply cannot happen to the relay nodes, energy can only be obtained from the radio-frequency signal of the source node, the maximum transmission rate can be achieved, and therefore application value and promotional value are achieved.
Owner:NANJING UNIV
Moon base energy supply system and method based on compressed carbon dioxide energy storage
ActiveCN113644864ACompact structureSmall sizeSolar heating energyElectrical storage systemEnergy technologyHeat management
The invention discloses a moon base energy supply system and method based on compressed carbon dioxide energy storage. The system employs a compressed carbon dioxide energy storage technology to achieve the high-capacity and high-density storage of excess electric energy of a photovoltaic system during strong illumination in the month day, and the high-power, stable and controllable release of the surplus electric energy in the month night, solar eclipse and insufficient illumination periods. Meanwhile, parts required by the energy storage system are compact in structure, small in size and light in weight. A solar photo-thermal device is introduced, so that the temperature grade of the heat storage subsystem can be further improved, the storage capacity of the system is further improved, the operation cycle of the energy supply system is prolonged, and stable energy supply of the lunar base is guaranteed. Meanwhile, due to the fact that a heat storage subsystem exists in the system, a moon base heat management system can be developed in the later period, and heat and power cogeneration is achieved. The system and the method have important scientific significance and engineering application value in the aspects of promoting the development of a space energy technology, accelerating the construction of a moon base and the like.
Owner:XI AN JIAOTONG UNIV
CT (current transducer) energy acquisition-based ultrasonic bird repelling device for series compensation platform
ActiveCN102499227AGuarantee the effect of repelling birds in a large areaSimple structureAnimal repellantsCurrent transducerLow-pass filter
The invention provides a CT (current transducer) energy acquisition-based ultrasonic bird repelling device for a series compensation platform, and can effectively prevent and control the problem of bird trouble of a series capacitor compensation device. In the ultrasonic bird repelling device, a circuit energy acquisition CT is adopted to supply power, large current passing through a circuit is converted into a required current, the current passes through an isolated CT realize electrical isolation, the high frequency part of power frequency current is filtered by virtue of a low-pass filter, direct current voltage is rectified and output by virtue of a rectifier, a high-frequency signal generator generates a high-frequency voltage signal between 16 and 25kHz immediately, and the high-frequency voltage signal is loaded to a piezoelectric ceramic plate of an ultrasonic speaker and is amplified to generate a high-volume ultrasonic wave which is between 16 and 25kHz and has a sound pressure level not lower than 90dB by virtue of the speaker. According to the bird repelling device, the energy acquisition CT is used as a power supply to guarantee stable high-power output, so that all-weather 24-hour uninterrupted large-area bird repelling is guaranteed; and a mode that two ultrasonic speakers are connected in parallel is adopted, and ultrasonic wave with variable frequencies is alternately and continuously generated, so that birds cannot adapt to the ultrasonic wave, and the durability of bird repelling effect is guaranteed.
Owner:CHINA EPRI SCIENCE & TECHNOLOGY CO LTD +2
Energy supply system and method for fully-implantable-type blood pump
ActiveCN103928971AShorten charging timeInsufficient improvementBatteries circuit arrangementsElectric powerElectricityResonance
The invention discloses an energy supply system and method for a fully-implantable-type blood pump. The system comprises an extracorporeal portion and an intracorporal portion. The extracorporeal portion comprises an external power source module, a driver, a power transmission coil, a voltage and current detection module, a controller, a wireless receiving module and a displaying module. The external power source module, the driver and the power transmission coil are sequentially connected. The voltage and current detection module detects the voltage and current of the power transmission coil and transmits the current and voltage to the controller. The controller is connected with the driver. The wireless receiving module is connected with the displaying module. The whole system is simple in structure and convenient to use. According to the energy supply method, energy transmission is achieved through magnetic resonance of the coil, the defects of a traditional blood pump energy supply system are effectively overcome, the infection caused when a wire penetrates through the skin is avoided, the system energy supply is more stable, the battery charging time is greatly shortened, the power transmission coil is directly sucked to the skin of the human body through a suction cup, and the power transmission coil does not need to be completely matched with an intracorporal power receiving coil in position.
Owner:CENT SOUTH UNIV
Oily sludgestepwisecontinuous pyrolysis and energy supplying integration method and device
InactiveCN106430892AAchieve emission standardsAchieve energy recoveryWater contaminantsSludge treatment by pyrolysisGas phaseSludge
The invention relates to an oily sludgestepwisecontinuous pyrolysis and energy supplying integration method and device, and belongs to the technical field of organic matter pyrolysis. The oily sludgestepwisecontinuous pyrolysis and energy supplying integration method includes the steps of 1 primary pyrolysis, wherein oily sludge enters a primary pyrolysis device to carry out pyrolysis; 2 secondary pyrolysis, wherein pyrolysis oil gas enters a secondary pyrolysis device to carry out pyrolysis; 3 spray and gas-liquid separating, wherein gas and liquid phases are separated through spraying; 4 gas drying and combusting. The gas phase enters a gas drying device, and the dried gas can serve as a clean energy source to heat the primary pyrolysis device. The oily sludgestepwisecontinuous pyrolysis and energy supplying integration device comprises the primary pyrolysis device, the secondary pyrolysis device, a spray tower, an oil-water separating device, the gas drying device and a combustion device, and the combustion device and the primary pyrolysis device are arranged oppositely. The oily sludgestepwisecontinuous pyrolysis and energy supplying integrationdevice has the advantages that multi-level pyrolysis is adopted, energy can be controlled by the pyrolysis devices themselves, and energy can be used efficiently.
Owner:中海油能源发展股份有限公司北京安全环保工程技术研究院 +2
Stable state control system of new energy power generation system
ActiveCN110783959AStable supplyReduce shockSingle network parallel feeding arrangementsAc network load balancingNew energyControl system
The invention provides a stable state control system of a new energy power generation system. The system comprises a stable state obtaining module which is used for obtaining an evaluation index valueof the stable state of the new energy power generation system, an optimization module used for optimizing the stable state of the new energy power generation system, a control module used for makingthe optimization module optimize the stable state of the new energy power generation system, and a cloud server used for receiving the evaluation index value acquired by the stable state obtaining module, carrying out data analysis on the evaluation index value, sending an execution instruction to the control module according to a data analysis result, and making the optimization module optimize the stable state of the new energy power generation system through the control module. By using the system provided in the invention, energy management is realized by means of the cloud server, an impact of unstable power generation of the new energy power generation system on a power grid can be effectively reduced, and stable energy supply is ensured.
Owner:SICHUAN ENERGY INTERNET RES INST TSINGHUA UNIV
Fuel cell system
InactiveCN101132070ASmall sizeAvoid pollutionDistrict heating systemFluid heatersElectricityUnit system
A fuel cell unit system is disclosed, which is provided in a multi-home energy supplying system, wherein the multi-home energy supplying system includes the plurality of fuel cell unit system provided to respective houses, and one common-use reforming unit to supply hydrogen to the plurality of fuel cell unit system, the fuel cell unit systems (40) comprising a stack unit (300) which generates electricity by an electrochemical reaction between supplied air and the hydrogen supplied from the common-use reforming unit (10); an air supplying unit (100) which supplies the air to the stack unit; an integral heat exchange unit (500) which cools the stack unit by recovering the heat from the stack unit, and stores the recovered heat; a hot-water supplying unit (200) which receives the heat stored in the integral heat exchange unit, and provides heat and hot water; an auxiliary heat supplying unit (400) which generates the heat by receiving the air supplied from the air supplying unit, and the hydrogen directly supplied from the common-use reforming unit or discharged from the stack unit after the electrochemical reaction, and supplies the generated heat to the hot-water supplying unit; and an electric output unit (600) which converts the electricity generated in the stack unit into a utility power, and supplies the produced utility power to the respective houses.
Owner:LG ELECTRONICS INC
Lens driving apparatus, lens barrel and optical apparatus
ActiveUS20150309388A1Stable energy supplyProjector focusing arrangementCamera focusing arrangementMotor driveOptical axis
The lens driving apparatus includes a lens holding member that holds lens; a rack provided in the lens holding member transmits a motor driving force to the lens holding member; a first guide part that supports the lens holding member to be movable back and forth in an optical axis direction of the optical lens; a second guide part that supports the lens holding part to be movable as a first guide part, farther separated from the rack than the first guide part in a direction orthogonal to the optical axis direction; both contact parts in the lens holding part, with which both guide parts respectively are in contact; and an energizing part that energizes the second contact part at a position separated in the longitudinal direction of the second guide part so as to be in contact with the second guide part.
Owner:CANON KK
Intelligent energy management and application system under poor energy
InactiveCN102929205AIncreased persistenceImprove reliabilityProgramme control in sequence/logic controllersElectronElectric power
The invention is applicable to the technical field of power and electronics and provides an intelligent energy management and application system under poor energy. The intelligent energy management and application system is formed by connecting a micro-energy collection module, an energy storage module and an energy scheduling module; the micro-energy collection module is connected with the energy storage module; the energy storage module is connected with the energy scheduling module; the energy storage module stores the electric energy converted by the micro-energy collection module; and the energy scheduling module provides a stable energy supply designedly and regularly. The automation degree of energy distribution is high, the continuity and reliability of power supply are improved, and the system is simple in structure and high in practicability, and has higher popularization and application values.
Owner:TIANJIN ZHILIAN HENGXIN ELECTRIC POWER EQUIP CO LTD
Off-grid and grid-connected integrated power supply control method and system
ActiveCN111799840ARealize communication monitoringEasy integrated operationLoad forecast in ac networkSingle network parallel feeding arrangementsPower qualityPower control system
The invention belongs to the technical field of power control and discloses an off-grid and grid-connected integrated power supply control method and system. The off-grid and grid-connected integratedpower supply control system comprises an electric energy acquisition module, a diesel power generation acquisition module, a wind power generation acquisition module, a photovoltaic power generationacquisition module, an electromagnetic switch control module, a central processing module, a wireless communication module, a remote terminal, a power generation module, a signal conversion module, anenergy management module and an electric quantity data analysis module. According to the invention, the integrated operation of the internal power supply and the load can be realized, and the requirements of users on distributed power supply access, electric energy quality, power supply reliability and safety are met. According to the invention, efficient conversion of each input energy source can be carried out on the premise of keeping the stability of the power grid, the intelligent distributed control management system can also ensure that renewable energy sources are used preferentiallyand efficiently, the consumption of fuel is reduced to the greatest extent, and stable, safe and reliable operation and energy supply of the whole system are ensured.
Owner:深圳市矿鑫发展有限公司
Electric forklift lithium ion battery health state prediction method based on LSTM-FFNN
The invention provides an electric forklift lithium ion battery health state prediction method based on LSTM-FFNN, and mainly solves the problems that in the prior art, a prediction method is large incalculated amount and low in prediction result precision. Data required for model training is reduced, and the lithium battery health state prediction precision is improved. The method comprises thefollowing steps: establishing a time scale parameter prediction model based on LSTM to predict change of time scale parameter open-circuit voltage V in the discharge process; extracting the time Tminwhen the cycle scale parameter discharges to the minimum voltage from the open-circuit voltage V of the time scale parameter prediction model; and establishing a cycle scale parameter prediction modelbased on the FFNN to predict the lithium battery capacity C so as to obtain a lithium battery health state prediction value SOH. According to the method, the prediction capability of the LSTM for thelong time sequence and the algorithm simplicity of the FFNN are combined, prediction from the time scale parameter to the cycle scale parameter is realized, the data required for training the model is reduced, and the precision of predicting the health state of the lithium battery is improved.
Owner:ZHEJIANG UNIV +1
Radio frequency energy transmission system
InactiveCN111555471AImprove energy harvesting efficiencyReduce wasteCircuit monitoring/indicationElectric powerRadio frequency energyRf energy harvesting
The invention discloses a radio frequency energy transmission system, and belongs to the technical field of radio frequency energy collection. The system comprises a transmitting end, a control end and a radio frequency energy receiving end. The control end comprises a communication module, a steering engine module, a relay module and a processing unit; the radio frequency energy receiving end comprises a processing unit, an antenna, an energy acquisition module, an energy storage module and a communication module; the transmitting end is connected with the control end; the energy receiving end communication module is wirelessly connected with the control end communication module; the communication module, the steering engine control module and the relay module of the control end are all connected with the processing unit; and the antenna of the radio frequency energy receiving end is connected with the energy collection module, the energy collection module is connected with the energystorage module, and the energy collection module and the communication module are connected with the processing unit. The system is clear in structure, sensitive in adjustment and high in energy transmission efficiency, and is an important improvement on the prior art.
Owner:HEBEI UNIV OF ENG
Wireless power transmission inverter source based on resonant dc-dc converter
ActiveCN110492747AAvoid local overheatingAvoid a series of problems such as damage to the front and rear circuitsEfficient power electronics conversionDc-dc conversionElectric power transmissionElectric vehicle
The invention provides a wireless power transmission inverter source based on a resonant dc-dc converter, and belongs to the technical field of the wireless power transmission of the electric vehicles. The wireless power transmission inverter source comprises a switch network, a resonance network, a high-frequency rectifier, a low-frequency filter, a direct-current output acquisition circuit, an FPGA data processing circuit, an FPGA output control circuit and an inverter. The wireless power transmission inverter source has the characteristics of high stability, high safety and the like.
Owner:HARBIN INST OF TECH
Rosin production and processing technology
InactiveCN111171727AReduce volatilityIncrease profit by 1%Fatty substance recoveryNatural resin purificationProcess engineeringOil water
The invention discloses a rosin production and processing technology. Adopted equipment comprises a grease storage tank which is connected with a metering tank, the metering tankis connected with a dissolving pot, and the dissolving pot which is respectively connected with a waste residue recovery device and a transition pot; the transition pot is connected with a primary filter and a waste liquidrecovery device;the waste liquid recovery device is connected with the metering tank;the primary filter is connected with aclarification tank and thewaste residue recovery device respectively, the clarification tank is connected with afine filter, the fine filter is connected with astorage tank, and the storage tank is connected with a vacuum distillation pot; the dissolving pot, the clarificationtank and the vacuum distillation pot are all connected with asteam generator; the steam generator is connected with a natural gas heat-conducting oil boiler; the vacuum distillation pot is respectively connected with two discharge pipes, one discharge pipe is connected with a condenser, the other discharge pipe is connected with a product collecting device, the vacuum distillation pot is connected with a buffer tank, and the buffer tank is connected with an oil-water separator. The first-grade product rate of rosin production and processing is improved.
Owner:普洱市思茅区森盛林化有限责任公司
Energy supply system of on-line monitoring device on high-voltage transmission tower
PendingCN111555472AStable energy supplyReliable energy supplyBatteries circuit arrangementsElectric powerTransmission towerEngineering
The invention relates to an energy supply system of an online monitoring device on a high-voltage transmission tower. The system comprises a wire CT energy taking unit, a laser energy transmission unit and an energy storage voltage stabilization unit which are connected in sequence. The wire CT energy taking unit is installed on a power transmission line body and comprises a secondary induction current processing loop, the secondary induction current processing loop is connected with a laser generator of the laser energy transmission unit, and the laser energy transmission unit comprises a laser generator, an energy transmission optical fiber and a photocell unit which are connected in sequence. The energy transmission optical fiber is arranged in an insulator, two optical fiber connectorsare respectively led out from the two sides of the insulator, a high-voltage side connector is connected with the laser generator, and a low-voltage side connector is connected with the photocell unit. The photocell unit receives the light energy outputted by the energy transmission optical fiber and converts the light energy into electric energy through a photoelectric effect. The energy supplysystem is stable and reliable in energy supply and long in service life and is capable of meeting the continuous energy supply requirement of higher-power online monitoring equipment.
Owner:STATE GRID TIANJIN ELECTRIC POWER +1
Accurate-positioned double-tube laryngeal mask
InactiveCN102580198AAccurate insertionImprove air tightnessRespiratorsSuction devicesDouble tubeGynecology
The invention discloses an accurate-positioned double-tube laryngeal mask, which comprises a cuff, an airway tube, an inflation tube and an indicating balloon, wherein the front end of the cuff is provided with a drainage hole, and the cuff is also connected with an independent drainage tube. The front end of the drainage tube is connected with the drainage hole, and the periphery of the drainage hole is provided with a LED (Light-Emitting Diode) lamp along the circumference of the drainage hole. As the independent drainage tube is arranged, the accurate-positioned double-tube laryngeal mask can carry out manual suction and negative pressure suction for stomach contents. The LED lamp arranged at the front end of the cuff plays an indication role and helps a doctor accurately insert into the laryngo-pharynx part of a patient, the condition of poor air seal due to operation errors is prevented, and the air seal of the laryngo-pharynx part is enhanced.
Owner:THE FIRST AFFILIATED HOSPITAL OF THIRD MILITARY MEDICAL UNIVERSITY OF PLA
Ship hauling device
InactiveCN101758908AWill not polluteBroad energy supplyTowing/pushing equipmentTugsMarine engineeringEnergy supply
The invention discloses a ship hauling device comprising at least two sets of vane devices arranged on both sides of a ship body, and a rotating shaft for connecting the vane devices, wherein at least a support is arranged on a ship channel and is connected with the rotating ship through an inhaul cable. When the vane devices are impacted by running water to rotate, the inhaul cable is winded on the rotating shaft so that a ship is hauled to go advance towards the support. When the ship sails against the current, the ship hauling device does not need to use a diesel power device so that environment pollution and noises can not be caused, and the energy supply is wide and stable. The invention can be directly used for transportation industry difficult to practice green energy resources.
Owner:靳未一
Windage yaw online monitoring system of high-voltage power transmission line
InactiveCN101672638AStable energy supplyContinuously workingThermometers using electric/magnetic elementsUsing electrical meansControl lineMonitoring system
The invention discloses a windage yaw online monitoring system of a high-voltage power transmission line, which comprises an energy source supplementing unit, an angle collecting unit, a temperature collecting module and a control circuit module, wherein the angle collecting unit measures a lead windage yaw angle and a lead included angle; the energy source supplementing unit comprises an energy acquiring iron core, a coil and an energy acquiring module; the energy acquiring iron core is arranged at one side of the upper surface of a shell; the energy acquiring module is arranged in a lower shell in the front of the shell and connected with the coil of the energy acquiring iron core by a lead; the angle collecting unit is arranged in a shielding box of the shell; the temperature parametercollecting module is arranged at the upper side of the shell; and the control circuit module is arranged in a shell body of the shell and connected with all controlled units by signal control lines. The invention can collect the lead windage yaw condition of the power transmission line scene at any time, measure the temperature of a detected point on the lead and measure the lead included angle and can be used for power transmission line windage yaw monitoring in a real-time communication way.
Owner:TONGCHUAN POWER SUPPLY BUREAU
CT (current transducer) energy acquisition-based ultrasonic bird repelling device for series compensation platform
InactiveCN102499227BImprove performanceGuarantee the effect of repelling birds in a large areaAnimal repellantsCurrent transducerLow-pass filter
The invention provides a CT (current transducer) energy acquisition-based ultrasonic bird repelling device for a series compensation platform, and can effectively prevent and control the problem of bird trouble of a series capacitor compensation device. In the ultrasonic bird repelling device, a circuit energy acquisition CT is adopted to supply power, large current passing through a circuit is converted into a required current, the current passes through an isolated CT realize electrical isolation, the high frequency part of power frequency current is filtered by virtue of a low-pass filter, direct current voltage is rectified and output by virtue of a rectifier, a high-frequency signal generator generates a high-frequency voltage signal between 16 and 25kHz immediately, and the high-frequency voltage signal is loaded to a piezoelectric ceramic plate of an ultrasonic speaker and is amplified to generate a high-volume ultrasonic wave which is between 16 and 25kHz and has a sound pressure level not lower than 90dB by virtue of the speaker. According to the bird repelling device, the energy acquisition CT is used as a power supply to guarantee stable high-power output, so that all-weather 24-hour uninterrupted large-area bird repelling is guaranteed; and a mode that two ultrasonic speakers are connected in parallel is adopted, and ultrasonic wave with variable frequencies is alternately and continuously generated, so that birds cannot adapt to the ultrasonic wave, and the durability of bird repelling effect is guaranteed.
Owner:CHINA EPRI SCIENCE & TECHNOLOGY CO LTD +2
A 220KV single-circuit overhead transmission line insulate lightning conductor resonance energy extraction method
ActiveCN109149787ALower impedanceIncrease energy harvesting powerCircuit arrangementsResonanceInductor
A 220KV single-circuit overhead transmission line insulate lightning conductor resonance energy taking method comprise that following steps: step S1, taking an induction voltage of the insulated lightning conductor as an energy take power source; 2, connecting a high-voltage inductor between that lightning protection wire and the step-down transformer, reduce the total impedance in the loop according to the compensation function of the high-voltage inductor, and increasing the energy take-off power. As that induction voltage of the insulate lightning protection wire is used as the power sourceof the energy taking device, a high-voltage inductor is connected between the lightning protection wire and the step-down transformer, and the total impedance in the loop is reduce by the compensation function of the high-voltage inductor, so that the energy taking power is increased.
Owner:FUZHOU UNIV +1
Multi-energy complementary stable energy supply system
PendingCN114039383AStable supplyImprove economic efficiencyElectrical storage systemSingle network parallel feeding arrangementsProcess engineeringElectric energy
The invention provides a multi-energy complementary stable energy supply system. The multi-energy complementary stable energy supply system comprises a plurality of new energy energy supply systems; the output end of a first new energy system in the first new energy supply system is connected with the input end of a first energy storage system; the output end of a second new energy system in the second new energy supply system is connected with the input end of a second energy storage system; the output end of a third new energy system in the third new energy supply system is connected with the input end of a third energy storage system; the first new energy system, the second new energy system and the third new energy system are different; the first energy storage system, the second energy storage system and the third energy storage system are different; the storage forms of the first energy storage system, the second energy storage system and the third energy storage system can be mutually converted; and therefore, the cooperative management effect of various energy storage technologies is achieved in the multi-energy complementary stable energy supply system, stable supply of heat energy and electric energy is achieved, and economic benefits are high.
Owner:HUANENG CLEAN ENERGY RES INST
Optical fiber-based power supply method and device of high-voltage on-line monitoring equipment
InactiveCN106787261AReduce the impactImprove transmission efficiencyBatteries circuit arrangementsElectric powerLight energyHigh energy
The embodiment of the invention discloses an optical fiber-based power supply method and device of high-voltage on-line monitoring equipment. The power supply method and device is used for solving the problems of insufficient power supply reliability of the on-line monitoring equipment and some problems in aspects of power supply distance, power supply efficiency and power supply stability and reliability in the prior art are solved. The method disclosed by the embodiment of the invention comprises the steps of acquiring an alternating current on line by an energy taking coil of a high-voltage line; starting control by a laser, and converting first electric energy of the alternating current to light energy; transmitting the light energy to a photoelectric conversion battery through an optical fiber by the laser, and converting the light energy to second electric energy; and outputting the second electric energy converted from the light energy to the on-line monitoring equipment. The optical fiber-based power supply method of the high-voltage on-line monitoring equipment, disclosed by the embodiment of the invention has the advantages that 1, a few restrictions are generated on the power supply distance, and the length of the optical fiber can be determined according to actual distance requirement; and 2, the laser is directional energy flow with high energy density, and the energy attenuation is low and the transmission efficiency is high after through transmission of the optical fiber.
Owner:ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
Air conditioning system, air conditioning equipment and control method of air conditioning equipment
PendingCN114279013ARelieve pressureStable energy supplyMechanical apparatusLighting and heating apparatusProcess engineeringChilled water
The invention relates to the field of electric appliances, in particular to an air conditioning system, air conditioning equipment and a control method thereof, and solves the problem that an air conditioner is difficult to supply energy to a high-rise building in the prior art. The air conditioning equipment comprises a unit and a high-area air conditioning device. The unit is connected with the high-area air conditioning device and conveys chilled water or hot water to the high-area air conditioning device; the high-area air conditioning device comprises a plurality of high-area heat exchange devices, the unit is connected with the high-area heat exchange device at the lowest position, every two adjacent high-area heat exchange devices located at different heights are connected, and heat exchange is conducted between every two adjacent high-area heat exchange devices located at different heights. And the unit firstly conveys chilled water or hot water to the high-area heat exchange equipment at the lowest position, so that the chilled water or the hot water exchanges heat with the cooling and heating medium in the high-area heat exchange equipment at the lowest position, and energy is transferred to the high-area heat exchange equipment at the lowest position. The pressure in the whole air conditioning equipment can be reduced through the multiple high-area heat exchange equipment, and therefore it is guaranteed that energy is stably supplied to the high-rise building.
Owner:GREE ELECTRIC APPLIANCES INC
Cogeneration system for biomass gasifier
ActiveCN110486989BLow costImprove reliabilityEvaporators/condensersFluid circulation arrangementAir volumeOrganic Rankine cycle
The invention relates to the technical field of refrigeration equipment, in particular to a biomass gasification furnace cooling and power cogeneration system, including an absorption solution circulation loop, a liquid ammonia pipeline, an ammonia-helium mixed gas circulation loop and a pumpless organic Rankine cycle power generation mechanism, The system includes liquid storage tank I, solenoid valve I, solenoid valve II, condenser I, solenoid valve III, liquid storage tank II, solenoid valve IV, expander, generator, liquid storage tank, rectifier, evaporator, Condenser, gas-liquid separator, generator, biomass gasifier, liquid ammonia heat exchanger, evaporator, cooling output, gas heat exchanger, absorber, solution heat exchanger. The invention reduces the cost of the system and improves the reliability of the system; reduces the heat input of the whole system and improves the performance of the system; improves the combustion and ash cleaning device of the biomass gasification furnace, adds functions such as air volume control and temperature control, and makes the biomass gasify The energy supply of the furnace is more stable and efficient; the input of mechanical work is reduced, and the system efficiency is improved.
Owner:安徽省智慧产业研究院股份有限公司 +1
A method for predicting the health status of lithium-ion batteries in electric forklifts based on lstm-ffnn
Owner:ZHEJIANG UNIV +1
Parallel-operation photovoltaic mains supply hybrid power supply device
PendingCN112039124ASolve the problem of difficult grid connectionSolve the problem that cannot mix power supplyBatteries circuit arrangementsSingle network parallel feeding arrangementsHemt circuitsControl theory
The invention belongs to the technical field of photovoltaic power generation, and particularly relates to a parallel-operation photovoltaic mains supply hybrid power supply device. According to the device, a solar photovoltaic array is adopted for power generation, 48V isolated direct current is converted into 100Hz pulsating waves with the amplitude of 311V after being buffered by a lithium battery pack, 50Hz alternating current 220V is converted into 100Hz pulsating waves with the amplitude of 311V for hybrid confluence power supply, and finally, the 311V pulsating waves obtained after photovoltaic electric energy and a power grid are mixed are converted into 50Hz sine waves through an inverter circuit. A single-chip microcomputer is used for accurately tracking the phases and amplitudes of pulsating waves output by a power grid and a photovoltaic device and is used for photovoltaic power generation and power grid hybrid scheduling; the device is high in mixing efficiency and convenient to dispatch, solves the problem that existing grid-connected photovoltaic power generation and off-grid photovoltaic power generation cannot be dispatched in a mixed mode, and meanwhile can be seamlessly switched to a pure off-grid mode, a pure power grid mode, a solar energy mode and a power grid electric energy mixed power supply mode. And a single-phase alternating-current parallel operation mode and a three-phase alternating-current parallel operation mode or a single-machine working mode can be configured according to actual requirements.
Owner:上海勤明科技贸易中心
Rosin production and processing technology
PendingCN114716914AIncrease profitFast dissolutionFatty substance recoveryNatural resin purificationBuffer tankProcess engineering
Owner:普洱市思茅区森盛林化有限责任公司
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