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36results about How to "Solve electricity needs" patented technology
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Device and System for Radiofrequency Communication in Urban or Road Environments
InactiveUS20080220729A1Solve electricity needsSimple processMechanical apparatusLighting elementsCommunications systemTransceiver
The invention relates to a device for radiofrequency communication in urban or road environments, comprising a luminaire of common use in street lighting which incorporates at least one transceiver with at least one data input and at least one data output coming from one or more antennas that operate in the radiofrequency band. The aforementioned type of light provides a suitable solution in terms of housing, electrical power supply, height and distribution for the respective transceivers owing to the design and usual arrangement thereof in urban or road environments. This way, the resulting assembly is particularly suitable for the provision of information-based services in general, and for the transmission of data in particular, in a communications system where the different nodes communicate with one another and with the user terminals.
Owner:AVILA FRANC RODA
Wirelessly sensitive rechargeable glasses and manufacture method thereof
InactiveCN105700197ASolve electricity needsEasy to useBatteries circuit arrangementsNon-optical adjunctsLithiumComputer module
A wireless inductive charging glasses and a manufacturing method thereof, comprising a frame (1), a magnetically conductive temple (2), a lens (3), a coil frame (4), an induction receiving coil (5), a coil shield (6), The wireless charging receiving circuit module (7), the lithium battery (8), the electric load (9), the inner cover (10), and the glasses case (11) with a wireless charging transmitting device inside, are characterized in that: The jacket of the magnetically conductive temple (2) has a coil frame (4), the induction receiving coil (5) is wound on the coil frame (4), and the coil shield (6) is added, and the magnetically conductive temple (2) has a built-in wireless charging receiver The circuit module (7), lithium battery (8) and electric load (9), the above-mentioned devices are combined and assembled into one body, and then connected with the mirror frame (1) to form a complete pair of wireless induction charging glasses. The invention solves the power consumption requirement of the smart glasses, and has the characteristics of novel design and convenient use.
Owner:DANYANG JINGTONG GLASSES TECH INNOVATION SERVICE CENT
Slight temperature difference heat energy generating set
The invention relates to a slight temperature difference heat energy generating set, which is composed of a heat energy converter, a ratchet drive mechanism and a power generation input device, wherein the converter is formed by sleeving two long tube neck containers and sealing the sleeve joint, each long tube neck container has an open big end, an isolator is arranged in the tube, thereby forming two isolated spaces containing liquid and gas, and the isolator is breathable but not liquid-permeable; the support axis of the tube neck enables the center of gravity of the whole body deviates to one end, and the liquid level on the upper end is higher than the isolator; when the temperature is high at the lower part and low at the upper part, gas at the lower end of the tube is under positive differential pressure, so that the center of gravity moves towards the upper end part along with the liquid at the upper end; when the lower end swings upwards to the horizontal position, the internal gas differential pressure is zero, so that the two ends swing in reverse directions, and the circulation goes in the same mode; and the drive mechanism is driven by a plurality of ratchet wheels and sprocket wheels in parallel, so that reciprocating swing is converted into intermittent rotation of the large sprocket wheel, converted into continuous rotation of the small sprocket wheel shaft and input to the generator after two-stage acceleration. The generating set can generate power by using heat of earth surface, industrial waste heat, solar heat and heat in air.
Owner:任毛丁
Wave energy absorbing and converting device and power generation system
PendingCN110454316APrevent movementAvoid collisionGeneral water supply conservationMachines/enginesEngineeringRelative motion
The invention discloses a wave energy absorbing and converting device and a power generation system. The device comprises a floating body, a guide shaft, a resistance disc and a counter mechanism, wherein the counter mechanism is arranged at an motion interval of the resistance disc; the guide shaft is connected with the bottom of the floating body, the resistance disc relatively movably sleeves the guide shaft; counter force of the counter mechanism is opposite to the natural motion direction of the resistance disc so that the resistance disc can remain a relatively stationary state in waterunder own resistance effects and the cooperation of the counter mechanism, then the resistance disc, within a wave height range designed by the device, does not make contact with a limiting structure,a floating body and the like whether in the upper portion or the lower portion. When the floating body drives the guide shaft to move up and down under action of waves, relative motion is generated between the floating body and the resistance disc so as to output kinetic energy; and the kinetic energy is received and converted by a power generation device, and namely outputting electric energy. According to the wave energy absorbing and converting device and the power generation system, simple structure improvement is utilized, so that the wave energy utilization rate is significantly improved, thus reducing power generation cost of wave energy as well as solving the problem of power demands of offshore remote islands and reefs for power supply and seawater desalination.
Owner:THE QUARTERMASTER RES INST OF THE GENERAL LOGISTICS DEPT OF THE CPLA
Photoelectric composite cable
InactiveCN103700441AConvenient and anti-bending constructionIncrease the bending resistance coefficientInsulated cablesPower cablesLow smoke zero halogenElectrical conductor
The invention relates to a photoelectric cable and particularly relates to a photoelectric composite cable which mainly comprises optical fibers, conductors, a conductor identification rope and a sheath. The sheath is in the shape of a butterfly and made of low-smoke halogen-free polyethylene material; the number of the conductors is two, and the two conductors are respectively positioned at the centers on the two sides of the butterfly shape and made of copper. The optical fibers are positioned at the center of the butterfly-shape part, can comprise 1 core or 2 cores or 4 cores and are of full-dry type structures. The photoelectric composite cable has the beneficial effects that a variety of power utilization requirements and signal transmission requirements of equipment can be solved once, the space of a pipeline is saved, the cost is reduced, and the installation is facilitated. Furthermore, the full-dry type structure is adopted for the photoelectric composite cable provided by the invention, relative sliding between all elements and the sheath can be avoided, the sheath is soft, the optical fibers are bending-resistant and the construction is convenient; the conductors adopt bunch strand and single conductor ways, so that the flexibility is good; the G.657 optical fiber is adopted for the optical fibers to increase the flexural coefficient of the composite cable; by using the conductor identification rope, a neutral wire and a live wire can be identified; the sheath has the advantages of resisting ultraviolet radiation, prolonging the service life, realizing insulation performance and the like.
Owner:肖国华
Wireless transmission method based on femtosecond laser and electric energy transmission device
The invention discloses a wireless transmission method based on a femtosecond laser and an electric energy transmission device. The flashover discharging between a femtosecond laser transmitter and an electric signal transmitter is collected, the processing is carried out through the wireless transmission technology to obtain stable voltage, which means that the nonlinear phenomenon-filamentation generated by the transmission of a femtosecond laser pulse in the air is used, an electric signal receiving electrode carries out flashover discharging in the femtosecond laser pulse, the voltage pulse of the flashover discharging is filtered and converted into alternating current, and the femtosecond laser pulse is used to carry out far distance wireless power transmission. The peak-peak value of alternating current voltage coupled by a non-contact transformer is reduced to one tenth of the original or even lower, the insulation degree of a back stage circuit can be greatly reduced, and the cost of the back stage circuit is greatly reduced. The output voltage of the invention is direct current voltage which can be used as a power supply by much equipment, and power use requirements in some special conditions such as the wireless transmission of a communication satellite and the power supply of a high speed electric vehicle can be solved.
Owner:上海佰恩智电子科技有限公司
Novel efficient solar photovoltaic/ photo-thermal heat collection/ evaporator
PendingCN111721010ASmall footprintImprove efficiencyPhotovoltaic supportsSolar heating energyRenewable energyElectrical battery
The invention relates to a novel efficient solar photovoltaic / photo-thermal heat collection / evaporator. The novel efficient solar photovoltaic / photo-thermal heat collection / evaporator comprises aphotovoltaic cell glass coating film, a photovoltaic cell, an EVA adhesive film, an electric insulation layer, a blowing-up plate and a heat preservation material. The novel efficient solar photovoltaic / photo-thermal heat collection / evaporator has the beneficial effects that the assembly adopts a novel blowing-up plate runner structure design, namely, the blowing-up plate with the runner designoptimized is adopted, compared with a PV / T assembly with air or water as a heat collection medium and a blowing-up plate which is not subjected to runner design optimization, the heat collection efficiency is high, and more efficient heat collection and photovoltaic cell cooling are achieved; and in addition, a blowing-up plate runner formed by combining a hexagonal runner and a grid type runner can achieve more uniform temperature distribution, and therefore the stability of photovoltaic cell current output is improved, and the service life is prolonged. The assembly is compact in structure,efficient, light and attractive, the occupied area of the assembly is reduced, the power generation and heat pump efficiency is improved, and the assembly has important significance in the field of renewable energy utilization and green buildings.
Owner:ZHEJIANG ZHENENG TECHN RES INST +2
Hydraulic turbine power generator disposed inside sewage pipeline
InactiveCN103452740AImprove visual effectsLittle bending requiredHydro energy generationReaction enginesHigh riseSanitary sewer
The invention discloses a hydraulic turbine power generator disposed inside a sewage pipeline and relates to sewage utilization. The hydraulic turbine power generator mainly comprises a motor (19), a flange (22), a drainage shell (23), an impeller (25), a water incoming chamber (26), a rotating shaft (27), an electric cable (28), a guide vane (37), cylindrical rings (41), sealing rings (42), the sewage pipeline (43) and the like. A hydraulic turbine works by utilizing potential energy of domestic water of residents in high-rise buildings and rain water delivered to a main sewage pipe and sewage and rain water of areas on higher grounds to drive a power generator to generate electricity, and the electricity generated by the power generator is transmitted to a control box, and can be provided for road lamps and lighting after voltage stabilizing.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY
Outdoor labor type work integration device
InactiveCN110616915AStrong comfortImprove practicalityBatteries circuit arrangementsPhotovoltaicsMortise and tenonBiomedical engineering
The invention discloses an outdoor labor type work integration device. The outdoor labor type work integration device comprises a device body, the device body is formed in a manner that six partitionplates are connected through mortises and tenons and form a hollow cuboid or cube structure, the hollow area is the worker living and rest area, the six partition plates are composed of three structures and comprise a bottom plate, a top plate and side plates, the four side plates are divided into the four areas, and comprise the kitchen area of the first side plate, the dressing area of the second side plate, the rest area of the third side plate and the living area of the fourth side plate, through the modular structural design of the top plate, the bottom plate and the side plates, the mortise and tenon structure is used for splicing the partition plates, the hollow cuboid or cube structure allowing the worker to carry out living and rest is formed, the interior of the integration device is roughly divided into four areas according to the living and rest function, the four areas share the middle space, living electric appliances and objects are mounted or put according to design positions, and the worker can conveniently obtain living and rest after outdoor labor.
Owner:GUANGDONG UNIV OF TECH
Power frequency change-based power grid island black start device and method
InactiveCN108599244AReduce economic costsShorten recovery timeSingle network parallel feeding arrangementsPeaking power plantIslanding
The invention discloses a power frequency change-based power grid island black start device and method. The power grid island black start device comprises a connecting line, a collecting unit and a protecting device, wherein the connecting line is provided with a control switch and is used for connecting a small unit system and an infinite equivalent system, the collecting unit is connected with the connecting line and is used for measuring frequencies at two sides of the connecting line and transmitting measurement values to the protecting device, and the protecting device is used for disconnecting the control switch when the frequency and the rate of change of the frequency meet an action criteria of the protecting device so as to enable the small unit system and the infinite equivalentsystem to uncouple and run with plant power to prepare for starting a main power plant. The method is a start method using the power grid island black start device. The power grid island black start device has the characteristic of rapid start, the investment cost for the black start device is reduced, the power grid recovery time is shortened greatly, and economic loss and social influence are lowered.
Owner:SHENZHEN POWER SUPPLY BUREAU
Distributed-type integral sewage treatment and reuse equipment and technology
ActiveCN104609677AWith anaerobic functionImprove reaction efficiencyEnergy based wastewater treatmentMultistage water/sewage treatmentWater qualityReaction chamber
The invention discloses distributed-type integral sewage treatment and reuse equipment and technology. The equipment comprises a regulating reservoir and a tank which are connected with each other through a pipeline and is characterized in that the regulating reservoir is a three-squared compound regulating reservoir, and a water inlet area, an anaerobic reaction area and a regulating homogeneity area are sequentially arranged in the three-squared compound regulating reservoir; a grille is arranged at the front end of the water inlet area; a clapboard which is parallel to the wall of a reaction chamber is arranged between the water inlet area and the anaerobic reaction area, and the lower end of the clapboard inclines to the anaerobic reaction area for an angle, so that the clapboard extends to the anaerobic reaction area; packing is hung in the anaerobic reaction area, and the anaerobic reaction area comprises at least one stage; the upper parts of the anaerobic reaction area and the regulating homogeneity area are connected with each other; an anoxic zone, an aerobic zone and an MBR reaction tank which are sequentially connected are arranged in the tank; and the regulating homogeneity area is connected with the anoxic area through a submerged pump and a pipeline. The invention also discloses sewage treatment and reuse technology employing the equipment. The equipment and the technology are used for sewage treatment, and have the advantages of high effluent quality and good denitrification effect.
Owner:VISBE XIAMEN ENVIRONMENT TECH CO LTD
Power supply system of railway vehicle
ActiveCN110768357AAlleviate the problem of high electricity demandSave energyBatteries circuit arrangementsElectric locomotivesPower batteryElectric network
The invention provides a power supply system of a railway vehicle. The power supply system comprises a power battery arranged on the railway vehicle, a first controllable switch connected between a current collector of the railway vehicle and a power supply end of the railway vehicle in series, a solar power supply device arranged on the railway vehicle, a second controllable switch connected between the solar power supply device and the power supply end of the railway vehicle in series, a station charging device arranged in a charging station, and a control device used for controlling on andoff of the first controllable switch and the second controllable switch, wherein one end of the station charging device is connected with a municipal electric network, and the other end of the stationcharging device is used for connecting the current collector when the railway vehicle stops beside the charging station. The power supply system can power the power battery through both the station charging device and the solar power supply device, thereby relieving power consumption pressure of railway vehicles and saving power.
Owner:BYD CO LTD
Solar energy light-shading curtain
ActiveCN105145182AWith solar energy absorption functionEasy to useClimate change adaptationRenewable energy machinesElectricityGreenhouse
The invention relates to the field of greenhouse covering material of agricultural facilities and in particular relates to a solar energy light-shading curtain. A light transmitting area and a generation area of the solar energy light-shading curtain are separately arranged; light can be transmitted in the greenhouse due to the light-transmitting area; and the generation area can absorb solar energy and convert the same into electricity. The solar energy light-shading curtain can be conveniently used and has great folding effect; the curtain has great light-shading and cooling functions as well as a solar energy absorbing function; the solar energy can be absorbed to generate power for power equipment in the greenhouse or a public power grid; a demand of greenhouse power can be met; and energy consumption of the greenhouse can be reduced.
Owner:BEIJING HUANONG AGRI ENG DESIGNING & CONSULTING
System for generating electric power by recovering waste heat of materials at top of fractionating tower
InactiveCN104088679ASolve electricity needsImprove utilization efficiencySteam engine plantsElectric power systemMaterials processing
The invention relates to a system for generating electric power by recovering the waste heat of materials at the top of a fractionating tower, and belongs to the technical field of waste heat recovery. The system comprises the fractionating tower, a tower top cooler, a tower bottom material heater, a valve, connecting pipelines, an organic working medium evaporator, a turbine, a speed reducer, a generator, a steam condenser, a working medium well and a working medium pump, wherein a connecting relationship of the system is that a tower top outlet of the fractionating tower is connected with the organic working medium evaporator which is connected with the tower top cooler; a tower bottom inlet of the fractionating tower is connected with the tower bottom heater; an outlet of the organic working medium evaporator is connected with the turbine, and the turbine is connected with the steam condenser, and is connected with the speed reducer and the generator through a shaft; the steam condenser is connected with the working medium well which is connected with the working medium pump. According to the system, the waste heater of the materials at the top of the fractionating tower is used for generating electric power to meet a part of electric power utilization requirements on a material processing plant, so that energy resources are saved, emissions are reduced, the utilization efficiency of primary energy resources is improved, and the using cost of an electric power user is reduced.
Owner:BEIJING ZHONGKE HUAYU ENERGY TECH DEV
Gas liquid supercharging power generator
PendingCN110365161AReduce power generation costsShort construction periodSafety/regulatory devicesMechanical energy handlingElectric energyElectricity
The invention discloses a gas liquid supercharging power generator. Commercial power is included, and the power generator comprises a grid connected system, a start system, a power generation system,a solenoid electric valve and an air feed system; and the commercial power supplies power to the start system via the grid connected system, the air feed system and solenoid electric valve control thework state via the grid connected system, electric energy produced by the power generation system is electrically connected with the grid connected system, the grid connected system supplies power tothe air feed system and the start system, and residual electric energy is supplied to the commercial power via the grid connected system. The gas liquid supercharging power generator uses a gas liquid supercharging power machine as an independent power supplier, volume charging of the power grid is adapted to automatically, intelligent control and an unmanned on duty state are realized, the practically is higher, and the power generator can be applied to more places.
Owner:贵州格特雷奇新能源有限公司
Outdoor anti-freezing type solar water heater
InactiveCN109631360ADischarge in timeEfficient conversionSolar heating energySolar heat collector controllersAnti freezingElectrical connection
The invention discloses an outdoor anti-freezing type solar water heater. The outdoor anti-freezing type solar water heater comprises a control device, a heating device and a power supply, wherein thecontrol device is correspondingly in electrical connection with the power supply and the heating device, the power supply comprises a wind power generation power source and a photovoltaic power generation power source, the wind power generation power source and the photovoltaic power generation power source are correspondingly in electrical connection with the heating device through the control device, and the control device is used for coordination control over the wind power generation power source and the photovoltaic power generation power source to supply power for the heating device; awater outlet control valve is arranged on the water inlet end of a water outlet pipeline which is close to the solar water heater, when the water outlet control valve is opened, water in the solar water heater is discharged; and when the water outlet control valve is controlled to close, the reserved water in the water outlet pipeline is discharged. According to the outdoor anti-freezing type solar water heater, power supplying for the heating device is carried out through the electric energy generated by the wind power generation and the photovoltaic power generation, novel energy is utilizedfully, meanwhile the water outlet pipeline communicates with the atmosphere when the water outlet valve is closed, the reserved water in the water outlet pipeline is discharged automatically, and thecondition that later use is affected by pipeline freezing due to the fact that the outdoor temperature is too low is avoided.
Owner:管凤强
Electric heating type energy storage furnace
PendingCN110986589ALow costImprove insulation effectElectric heating for furnacesProcess engineeringElectric heating
The invention discloses an electric heating type energy storage furnace, and relates to the technical field of energy equipment. The energy storage furnace comprises a shell, a liquid inlet, an end cover, a heat insulation layer, a heating wire, a power supply and a heat exchanger. According to the electric heating type energy storage furnace prepared by the invention, electric power is adopted for heat supply. The energy storage furnace can avoid the peak of electricity utilization, performs power supply heating and energy storage when the electricity utilization is low, and then conducts heat energy utilization at the peak of electricity utilization, so that electricity utilization needs conducted at the electricity utilization peak and in the time period with high electricity utilization cost can be effectively avoided, and the cost is greatly reduced.
Owner:ANHUI GUODIAN ENERGY EQUIP ENG
Cooling, heating and power PVT direct-current heat pump triple co-generation system and operation method
PendingCN114646151ASolve domestic hot water needsSolve cooling needsSolar heating energyMechanical apparatusThermodynamicsCollector device
The invention relates to a combined cooling heating and power PVT direct-current heat pump triple co-generation system which comprises a combined cooling heating and power PVT direct-current heat pump system which comprises a plate type evaporator, an outdoor air cooling evaporator, an indoor air cooling evaporator, a direct-current inverter compressor, a condenser and a heat preservation water tank. The direct-current inverter compressor and the condenser are connected to form a main path; the plate-type evaporator, the outdoor air-cooled evaporator and the indoor air-cooled evaporator are respectively connected with the main path in series to form first, second and third heat pump working medium loops; the solar photovoltaic photo-thermal system comprises a photovoltaic module heat collector; and the plate-type evaporator is connected in series with the heat exchange medium side of the photovoltaic module heat collector to form a medium loop. The invention further relates to an operation method, and connection and disconnection of the medium loop and the heat pump working medium loop are controlled by judging the temperature difference between the heat exchange medium temperature of the photovoltaic module heat collector and the environment temperature. The solar energy and air energy dual-heat-source operation is utilized to improve the performance, and meanwhile the domestic hot water requirement, the cooling capacity requirement and the low-power electric appliance electricity utilization requirement are met.
Owner:SOUTHEAST UNIV
A kind of airflow charging device applied to mobile phone
InactiveCN105449812BSolve electricity needsCharge at any timeBatteries circuit arrangementsElectric powerEngineeringPower usage
Owner:PHICOMM (SHANGHAI) CO LTD
Distributed integrated sewage treatment and reuse equipment and technology
ActiveCN104609677BWith anaerobic functionImprove reaction efficiencyMultistage water/sewage treatmentEnergy based wastewater treatmentWater qualityReaction chamber
Owner:VISBE XIAMEN ENVIRONMENT TECH CO LTD
Industrial frequency current change-based power grid island black start device and method
InactiveCN108599242AReduce economic costsIncreased demand for electricitySingle network parallel feeding arrangementsBlack startPower grid
The invention discloses an industrial frequency current change-based power grid island black start device and method. The power grid island black start device comprises a connecting line, a collectingunit and a protecting device, wherein the connecting line is provided with a control switch and is used for connecting a small unit system and an infinite equivalent system, the collecting unit is connected with the connecting line and is used for measuring currents at two sides of the connecting line and transmitting measurement values to the protecting device, and the protecting device is usedfor disconnecting the control switch when the current and the rate of change of the current meet an action criteria of the protecting device so as to enable the small unit system and the infinite equivalent system to uncouple and run with plant power to prepare for starting a main power plant. The method is a start method of the power grid island black start device. The power grid island black start device has the characteristic of rapid start, the investment cost for the black start device is reduced, the power grid recovery time is shortened greatly, and economic loss and social influence are lowered.
Owner:SHENZHEN POWER SUPPLY BUREAU
Wind and water type portable power generation device
PendingCN112761876AReduce volumeLight in massWind energy with electric storageWind energy with water energyEnergy absorptionPortable power
The invention discloses a wind and water type portable power generation device which comprises a waterproof cover body and a power storage module. A mechanical rotation energy absorption structure is arranged in the waterproof cover body, and the lower end of the mechanical rotation energy absorption structure is connected with a generator power transmission port at the end of a small permanent magnet generator. A steering module is installed on the outer side of the lower portion of the mechanical rotation energy absorption structure, the steering module and the mechanical rotation energy absorption structure are both installed on the upper side of a fixing structure, a middle connector is arranged below the fixing structure, the power storage module is connected with the lower portion of the middle connector, and an external protective sleeve is mounted on the outer side of the middle connector. The wind and water type portable power generation device has the advantages of being small in size, light in weight, novel in structure and convenient to assemble, carry and place, the power generation mode of the whole device is flexible and variable according to the environment, use is easy and fast, and output current is stable.
Owner:GUANGDONG OCEAN UNIVERSITY
Running and charging interlocking device of electric vehicle
ActiveCN102069715BSolve electricity needsRealize chargingBatteries circuit arrangementsElectric devicesLow voltageControl signal
Owner:HUNAN CSR TIMES ELECTRIC VEHICLE
A design method for power distribution of 35kv lines
ActiveCN102761076BAlleviate the problem of large loss and poor power qualitySolve electricity needsApparatus for overhead lines/cablesPower qualityReinforced concrete
The invention discloses a design method used for 35 kV line distribution. Some regions utilize towers with a 10 kV distributing line to erect a 35 kV line, and the towers adopt 12 m and 15 m reinforced concrete poles; insulators used for supporting the towers are in a line construction mode of cross arm insulators, the manufacturing cost and the maintenance cost are reduced, the building period is shortened, the line loss is reduced, and the purpose of farming net power supply quality is improved. The design method comprises the following steps of designing a 35 kV line framework, and selecting a line path and the insulators; designing a 35 kV line tower; and finishing a line design, and forming 35 kV line design explanation, material detailed list and drawing. The method can solve the contradiction of never-never land country power utilization requirement and the electric network construction fund pinch, can effectively solve the problems that a 35 kV power source spotting is not enough, a 10 kV matching construction development is slow, or 10 kV line supplies power in a routing manner, the power supply semidiameter is long, the line loss is large, and the power quality is poor.
Owner:CHINA ELECTRIC POWER RES INST +1
Femtosecond laser-based wireless power transmission method and power transmission device
Owner:上海佰恩智电子科技有限公司
Socket
Owner:徐州天骋智能科技有限公司
Power supply systems for rail vehicles
ActiveCN110768357BAlleviate the problem of high electricity demandSave energyBatteries circuit arrangementsElectric locomotivesPower batteryPower grid
The present invention proposes a power supply system for a rail vehicle, comprising: a power battery arranged on the rail vehicle; a first controllable switch connected in series between the current collector of the rail vehicle and the power supply end of the rail vehicle The solar power supply device, the solar power supply device is arranged on the rail vehicle; the second controllable switch, the second controllable switch is connected in series between the solar power supply device and the power supply end of the rail vehicle; the platform charging device arranged on the charging station, One end of the station charging device is connected to the city grid, and the other end of the station charging device is used to connect the current collector when the rail vehicle stops at the charging station; the control device is used to control the first controllable switch and the Closing and closing of the second controllable switch. The power supply system can not only charge the power battery through the platform charging device, but also charge the power battery through the solar power supply device, thereby alleviating the power consumption pressure of rail vehicles and saving energy.
Owner:BYD CO LTD
Environment-friendly power generation method utilizing livestock and poultry excrement to produce biogas
InactiveCN112177768ATake advantage ofSolve electricity needsInternal combustion piston enginesClimate change adaptationBiotechnologyEnvironmental engineering
The invention discloses an environment-friendly power generation method utilizing livestock and poultry excrement to produce biogas. The method comprises the following steps that (1) the livestock andpoultry excrement is primarily screened through a discharging system; (2) the livestock and poultry excrement without sand is added into a blending tank, and auxiliary materials are added for blending; (3) the blended livestock and poultry excrement is added into an acidification precipitation tank for precipitation and acidification; (4) the material obtained after acidification and precipitation is fed into a fermentation tank to produce the biogas, and the produced biogas is pretreated and delivered to a power generation device for power generation; (5) generated biogas residues and biogasslurry enter a transfer tank, the biogas residues obtained after filtration are used for producing solid organic fertilizer, and the biogas slurry enters a biogas slurry tank; and (6) the biogas slurry in the biogas slurry tank is subjected to anaerobic treatment and returned to the discharging system or the blending tank to be blended into livestock and poultry excrement water or irrigation water. According to the method, the livestock and poultry excrement is firstly fermented to generate the biogas, the generated biogas is used for power generation, and the biogas residues generated afterfermentation are used as a raw material for producing the organic fertilizer, so that the purpose of fully utilizing the livestock and poultry excrement is achieved.
Owner:迪汇环保设备(湖北)有限公司
Power plant FCB black start system and method based on stability control system
PendingCN113991668AShorten recovery timeReduce economic lossContigency dealing ac circuit arrangementsSingle network parallel feeding arrangementsIslandingControl engineering
The invention provides a power plant FCB black start system and method based on a stability control system. The system comprises a small unit side which is connected with an external power grid through a tie line; the island side mutual inductor is respectively connected with the small unit side and the stability control system, and the large system side mutual inductor is connected with the external power grid and the stability control system; the stability control system is used for measuring parameter data of the external power grid and the small unit side and detecting the measured parameter data to judge whether FCB black start needs to be carried out or not; the island side mutual inductor is used for measuring parameter data of the small unit side; the large system side mutual inductor is used for measuring parameter data of the external power grid; and the tie line is used for cutting off contact interaction between the external power grid and the small unit side when it is judged that FCB black start needs to be carried out. According to the system, the FCB start criterion is provided for judging the external power grid system fault, the system operation reliability is improved, and meanwhile frequent actions of the FCB system are avoided.
Owner:SHENZHEN POWER SUPPLY BUREAU
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