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41results about How to "Improve energy storage utilization" patented technology
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Tower type solar heat power generation system with double-stage thermal storage
ActiveCN101413719AImprove energy storage utilizationSolving storage difficultiesSolar heating energyFrom solar energyElectric energyDouble stage
The invention relates to the technical field of solar energy thermal power generation and discloses a tower-typed solar energy thermal power generation system with two-stage thermal storage. The system at least comprises a photo-thermal conversion subsystem, a two-stage thermal storage subsystem and a power subsystem; wherein, the photo-thermal conversion subsystem is used for receiving and converging solar radiation energy, converting the received solar radiation energy into heat energy, and transmitting the heat energy to the power subsystem or the two-stage thermal storage subsystem; the two-stage thermal storage subsystem is used for storing the heat energy input by the photo-thermal conversion subsystem and providing the heat energy for the power subsystem when the solar radiation energy is not enough; the power subsystem is used for converting the received heat energy into electrical energy and outputting the electrical energy. By adopting the invention, the problem that the steam is difficult to store is solved, and the difficulty that the running of a steam turbine in the previous tower-typed solar energy thermal power generation proposal by taking the steam as heat absorption working substance is influenced by the unstable and discontinuous solar radiation is overcome.
Owner:江苏中国科学院能源动力研究中心 +1
Setting phase change energy storage material with high-thermal conductivity and preparation method thereof
InactiveCN101724381AImprove thermal conductivityImprove heat transfer characteristicsHeat-exchange elementsMolten stateMaterials science
The invention relates to a setting phase change energy storage material with high-thermal conductivity and a preparation method thereof, belonging to the field of phase change heat storage materials. The setting phase change energy storage material with high-thermal conductivity is characterized by containing 65-90 percent by mass of paraffin substances as a phase-change material, 9-34 percent by mass of high-density polyethylene as a support material and 1-7 percent by mass of expanded graphite as a heat conduction intensifier; a method for adding a proper amount of expanded graphite to paraffin / high-density polyethylene in a molten state is adopted to enable the heat conductivity of the setting phase change material to be increased to 1.35W / (m.K) or higher. The method comprises the following steps of: heating to melt the paraffin substances with the mass percent of 65-90 percent, and heating to enable the temperature of the liquid paraffin to reach 120-190 DEG C; adding high-density polyethylene with the mass percent of 9-34 percent and the expanded graphite with the mass percent of 1-7 percent to the liquid paraffin, and then melting and evenly stirring in vacuum; putting the mixture in a hot mould for pressing and molding; taking the mixture from the mould after naturally cooling. The setting phase change material has high thermal conductivity, does not need to be packaged in containers and can directly contact heat-transfer media.
Owner:UNIV OF SCI & TECH OF CHINA
Polymer solid-solid phase transition energy storage material and preparation method thereof
InactiveCN101565606AHigh energy storage densityImprove thermal conductivityHeat-exchange elementsFiberPolymer science
The invention discloses a polymer solid-solid phase transition energy storage material. The material consists of the following materials by mass percentage: 60 to 95 percent of phase transition main material and 5 to 40 percent of frame material, wherein the phase transition main material is made of high density polyethylene or polyethyleneglycol; and the frame material is made of active carbon fibers. After the phase transition main material and the frame material are dryly mixed, the mixture is placed in an extruder for granulating to obtain granules, and the temperature in a granulating process is controlled at 100 to 190 DEG C; and the produced granules are placed in the extruder to be granulated for 4 to 6 times to produce the polymer solid-solid phase transition energy storage material. The phase transition energy storage material has high enthalpy value of phase transition, good energy storage performance, good thermal stability, high chemical stability and stable shape in the phase transition process, and has application prospect in multiple technical fields, such as solar energy storage, energy utilization and conversion, waste cold and waste heat utilization and the like.
Owner:SHAANXI UNIV OF TECH
Storage battery energy-storage system based on single accumulator batteries and control method
InactiveCN103050987AImprove energy storage utilizationImprove reliabilityAc network load balancingStored energyTransducer
The invention relates to a storage battery energy-storage system based on single accumulator batteries. The storage battery energy-storage system comprises a power supply bus and a plurality of single accumulator batteries which are connected with the power supply bus, wherein each single accumulator battery comprises a battery jar, a micro bidirectional transducer, a micro battery control device and a storage battery which is arranged in the battery jar, wherein the storage battery is connected with the power supply bus by the micro bidirectional transducer and controlled by the micro battery control device. According to the storage battery energy-storage system disclosed by the invention, the utilization rate of the stored energy, the reliability and the compatibility of the system can be improved based on the single accumulator batteries. Correspondingly, the invention further discloses a method for controlling the storage battery energy-storage system based on the single accumulator batteries, so that the power supply efficiency can be effectively improved while the power supply is guaranteed. Moreover, unnecessary electric energy waste is avoided, and the service life of the batteries is ensured.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Hybrid energy storage photovoltaic power generation system based on power prediction method
ActiveCN103762616AReduce capacityImprove energy storage utilizationPV power plantsSingle network parallel feeding arrangementsPower differencePower grid
The invention provides a hybrid energy storage photovoltaic power generation system based on a power prediction method. The hybrid energy storage photovoltaic power generation system based on the power prediction method comprises an energy storage unit and an inverter, wherein the energy storage unit and the inverter are connected with an energy storage controller. The energy storage controller comprises a control module, a photovoltaic power prediction module and a DC-DC power module; the control module is used for adjusting the operating mode of the energy storage unit; the photovoltaic power prediction module is used for predicting photovoltaic power generation power according to output power of a photovoltaic battery in the system and sending a power prediction value to the inverter. Compared with the prior art, the hybrid energy storage photovoltaic power generation system based on the power prediction method can reduce the capacity of the energy storage unit and improve the utilization rate of stored energy; due to the fact that the energy storage unit does not need to be started frequently to compensate the power difference between the photovoltaic battery and the inverter, the service life of the energy storage unit is prolonged; an inverter output curve is smoothed, and therefore the impact on a power grid is reduced.
Owner:STATE GRID CORP OF CHINA +1
Optical storage micro grid system for realizing energy storage capacity dynamic optimization
InactiveCN104836247AImprove energy storage utilizationImprove utilizationBatteries circuit arrangementsAc network load balancingEngineeringMicro grid
The embodiment of the invention provides an optical storage micro grid system for realizing energy storage capacity dynamic optimization. According to the power output data of photovoltaic power predication and the requirement data of load power predication, a set algorithm is employed by an energy storage capacity dynamic optimization module to calculate the proportional value between emergency power backup capacity and smooth fluctuation capacity, and the proportional value is transmitted to an energy storage battery management system through a DSP control module. The energy storage battery management system adjusts the emergency power reserve capacity and smooth fluctuation capacity in an energy storage battery, and thus the proportion between emergency power backup capacity and the smooth fluctuation capacity is in accordance with the proportional value after the adjustment. According to the embodiment of the invention, the energy storage capacity of the optical storage micro grid system can be dynamically optimized, the energy storage utilization rate of the optical storage micro grid system can be raised, under the premise of ensuring emergency power supply, the power fluctuation of a grid-connected point is inhibited to the maximum, and the utilization of renewable energy, energy saving and loss reduction are facilitated.
Owner:STATE GRID CORP OF CHINA +2
Method of dynamically optimizing energy storage capacity of optical storage micro-grid system
InactiveCN104852399AImprove utilizationImprove energy savingSingle network parallel feeding arrangementsAc network load balancingGrid siteMicro grid
The embodiment of the invention provides a method of dynamically optimizing an energy storage capacity of an optical storage micro-grid system. The method mainly comprises steps: according to forecasted photovoltaic power output and load power output, a power output curve of an energy storage battery is calculated, the maximal energy storage power value and the minimal energy storage power value of the energy storage battery in an entire sample data cycle are acquired, and an initial energy storage battery capacity for smooth fluctuation is further acquired; according to the total capacity of the energy storage battery, the minimal energy storage capacity value for emergency and the initial energy storage battery capacity for smooth fluctuation, a final energy storage capacity for emergency and the energy storage capacity for smooth fluctuation are determined. According to the embodiment of the invention, according to results of photovoltaic power generation output forecasting and load forecasting, the capacity ratio of power fluctuation for emergency and smooth grid site connection in the energy storage system is calculated, and dual effects of smoothing power fluctuation of the optical storage micro-grid system and the grid-connected sites and improving the energy storage utilization rate can be achieved.
Owner:STATE GRID CORP OF CHINA +2
Heat-accumulating condenser using shape-stabilized phase change material
InactiveCN101943505AAchieve uninterrupted workExtend heat exchange timeEvaporators/condensersHeat-exchange elementsHeat conductingMolecular materials
The invention discloses a heat-accumulating condenser using a shape-stabilized phase change material. The condenser comprises the shape-stabilized phase change material, a condensation pipe, an external wall plate and a heat-insulating material. The condenser is characterized in that: the condenser is completely or partially surrounded in the shape-stabilized phase change material to form a heat-accumulating condensing component; the heat-accumulating condensing component tightly clings to the external wall plate; and the inner sides of the external wall plate and the heat-accumulating condensing component are made of the heat-insulating material. The shape-stabilized phase change material is a paraffin composite material which is prepared by compositing a paraffin and a high molecular material and a heat-conducting reinforcing agent can be also added into the phase change material. In the invention, the shape-stabilized phase change material allows the condenser to continuously release heat to the outside by accumulating heat for the condenser, so that the radiation effect of the condenser is improved. The shape-stabilized phase change material is always kept in a solid state in the heat accumulating process, does not need to be packaged and has no toxicity or corrosiveness, so that the production cost of the condenser is reduced. The heat-accumulating condenser is applied to the refrigeration equipment, such as refrigerators, low-temperature ovens, refrigeration cabinets, drink refrigerators, ice cream machines, small discontinuous refrigerating machines and the like.
Owner:UNIV OF SCI & TECH OF CHINA
Array-type rod-shaped laser amplifier
ActiveCN107437720AAvoid size constraintsFlexibleLaser arrangementsActive medium materialOptoelectronicsThermal conductivity
The invention discloses an array-type rod-shaped laser amplifier, and the laser amplifier consists of a pumping source, a coupling lens group, a combined laser gain medium, and a mechanical structure. The laser amplifier employs the array-type small-diameter rod-shaped laser gain medium, so the laser amplifier solves a problem that the size of the laser gain medium is limited. Moreover, the number of rods can be adjusted according to the energy demands, so the laser amplifier is flexible. The horizontal side surfaces of laser gain medium rods are glued with materials which are capable of absorbing amplified spontaneous radiation and have thermal conductivity higher than that of a gain medium. Cooling liquid flow channels are disposed between the vertical side surfaces of laser gain medium rods, thereby improving the thermal management effect in the above mode. Through the reasonable design of the shape of the gain medium, the laser amplifier can reduce the impact from spontaneous radiation and parasitic oscillation. The laser amplifier is compact in structure, is simple in auxiliary circulating system, is good in reliability, and is high in efficiency.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
Parking lot
InactiveCN104505919AImprove energy storage utilizationReduce labor intensityBatteries circuit arrangementsElectric powerParking spaceElectric vehicle
The invention discloses a parking lot. The parking lot comprises parking spaces, a movable charging robot and a robot management system. The charging robot comprises a robot body, a travelling mechanism, an energy storage component and a control unit, wherein the travelling mechanism is used for driving the robot body to the electric vehicle parking position, the energy storage component is used for storing electric energy and charging an electric vehicle, and the control unit is used for receiving a control instruction and controlling travelling operation of the travelling mechanism and discharging of storage battery packs according to the control instruction so as to accomplish charging of the appointed electric vehicle. The control unit comprises a monitoring alarm unit. According to the parking lot, due to the fact that the movable charging robot is provided with the monitoring alarm unit, the movable charging robot is used for being on duty or going on night patrol when the movable charging robot does not conduct charging operation, and labor intensity of operators on duty in the parking lot is reduced; the hidden danger of accidents such as burglaries and fires is discovered in time, the accidents can be conveniently handled in time when happening, and expansion of the accidents is avoided.
Owner:蔡乌力吉
Steam recovery type traditional Chinese medicine decocting barrel and steam recovery type traditional Chinese medicine decocting method
InactiveCN111012669AImprove insulation effectImprove energy storage utilizationTransportation and packagingRotary stirring mixersMedicineAir pump
The invention relates to a steam recovery type traditional Chinese medicine decocting barrel. The barrel can comprises a barrel body and an outer sleeve, a heat storage cavity is formed between the outer sleeve and the barrel body, a communicating hole communicated with the heat storage cavity is formed in the side wall of the barrel body, the inner surface of the top wall of the heat storage cavity is rotationally connected with an annular air distribution cavity in a sealed mode, a push plate connected to the annular air distribution cavity is arranged in the heat storage cavity, air outletholes are formed in the surface of one side of the push plate, the air outlet holes are communicated with the annular air distribution cavity through an air channel positioned in a suspension plate, asteam outlet hole is formed in the top wall of the barrel body, the steam outlet hole is connected with the inlet end of an air pump, the outlet end of the air pump is rotatably sleeved with a rotarycover in a sealed mode, the rotary cover is communicated with the annular air distribution cavity through an exhaust pipe, and the opening direction of the steam outlet hole is perpendicular to the radial direction of the heat storage cavity. The barrel and the method have the advantages of improvement of the heat utilization rate and no loss of steam, and solve the problems of heat loss and medicine smell loss caused by steam loss in the existing medicine decocting process.
Owner:ZHEJIANG HOUDAR INTELIGENT TECH CO LTD
Asynchronous compensation pressure equalization device for vehicle-mounted super capacitor, and control method
ActiveCN109888904APrecise and effective balance controlReduce conduction lossBatteries circuit arrangementsElectric powerCapacitanceCharge and discharge
The invention discloses an asynchronous compensation pressure equalization device for a vehicle-mounted super capacitor, and a control method. The device comprises a DC (Direct Current) / AC (Alternating Current) unit, a synchronous rectification unit, a super capacitance block unit, a voltage and current collection unit and a control unit. The control method comprises the following steps that: thecontrol unit establishes the state space model of each super capacitor unit and a corresponding slip form observer model, and on the basis of data measured offline and data collected by the voltage and current collection unit in real, the slip form observer is adopted to estimate the internal voltage value of each super capacitor unit; the control unit judges whether voltage balance needs to be carried out or not according to the internal voltage value of each super capacitor unit and a voltage threshold value, a corresponding controlled quantity is output to the synchronous rectification unit, the state of a driving switch in the synchronous rectification unit is controlled to control the corresponding super capacitor units to charge and discharge so as to realize voltage balance. The device has the advantages of good voltage balance effect and high efficiency.
Owner:CENT SOUTH UNIV
Parking lot
InactiveCN104505915AImprove energy storage utilizationIncrease profitBatteries circuit arrangementsCharging stationsManagement unitParking space
The invention discloses a parking lot. The parking lot comprises parking spaces, a movable charging robot and a robot management system. The charging robot comprises a robot body, a travelling mechanism, an energy storage component and a control unit, wherein the travelling mechanism is used for driving the robot body to the electric vehicle parking position, the energy storage component is used for storing electric energy and charging an electric vehicle, and the control unit is used for receiving a control instruction and controlling travelling operation of the travelling mechanism and discharging of storage battery packs according to the control instruction so as to accomplish charging of the appointed electric vehicle. The control unit comprises a battery management unit. According to the parking lot, the movable charging robot conducts management on the energy storage component through the battery management unit, energy storage units with the hidden danger are isolated from normal units, and safety accidents are avoided; the energy storage units are controlled to charge the electric vehicle in turn, and therefore the service life of batteries can be prolonged, faults of the batteries can be conveniently monitored, and the utilization of the energy storage component can be improved.
Owner:蔡乌力吉
Parking lot
InactiveCN104505913AImprove energy storage utilizationImprove experienceBatteries circuit arrangementsElectric powerManagement unitParking space
The invention discloses a parking lot. The parking lot comprises parking spaces, a movable charging robot and a robot management system. The charging robot comprises a robot body, a travelling mechanism, an energy storage component and a control unit, wherein the travelling mechanism is used for driving the robot body to the electric vehicle parking position, the energy storage component is used for storing electric energy and charging an electric vehicle, and the control unit is used for receiving a control instruction and controlling travelling operation of the travelling mechanism and discharging of storage battery packs according to the control instruction so as to accomplish charging of the appointed electric vehicle. The control unit comprises a battery management unit and a billing settlement unit. According to the parking lot, the movable charging robot conducts management on the energy storage component through the battery management unit, energy storage units with the hidden danger are isolated from normal units, safety accidents are avoided, and charging efficiency is improved.
Owner:蔡乌力吉
Overhigh temperature difference energy storage central air conditioning system and overhigh temperature difference energy storage control method
InactiveCN105042725AReduce volumeHigh gradientMechanical apparatusSpace heating and ventilation safety systemsTemperature differenceMaster controller
The invention discloses an overhigh temperature difference energy storage central air conditioning system which comprises a water supplying pipe, a water returning pipe and a temperature adjusting device. The temperature adjusting device comprises an air inlet pipe, an air outlet pipe, a fresh air unit and at least one dry type coil. The fresh air unit comprises a heat exchanger, a fan, an air inlet, an air outlet, a master controller, an indoor temperature and humidity sensor, a temperature sensor and electric valves. A water supplying opening of the heat exchanger is communicated with a water supplying pipe through the electric valve, a water return opening of the heat exchanger is communicated with a water supplying opening of the dry type coil, a water returning opening of the dry type coil is communicated with the water returning pipe, and the water supplying pipe is communicated with the water returning opening of the heat exchanger through the other electric valve. The fan, the electric valves, the indoor temperature and humidity sensor and the temperature sensor are connected with the master controller. The overhigh temperature difference energy storage central air conditioning system is low in cost and high in energy storage utilization efficiency. The invention further discloses an overhigh temperature difference energy storage control method.
Owner:SHENZHEN HAIJIYUAN TECH
Energy storage system control method and system
ActiveCN110752614AImprove energy storage utilizationAvoid enteringSingle network parallel feeding arrangementsEnergy storageControl engineeringControl theory
The invention discloses an energy storage system control method and system. The method comprises the steps of initializing operation parameters of an energy storage system controller, calculating windpower prediction information according to the phase lag characteristics, the operation parameters and the historical wind power output sequence of the fluctuation component extraction algorithm, fusing the wind power prediction information into a fluctuation component extraction algorithm based on CMAF filtering to calculate a fluctuation component to be cancelled, fusing the fluctuation component to be cancelled into an energy management algorithm to calculate SOC adjustment power, synthesizing an energy storage system charging and discharging instruction by integrating the fluctuation component and the SOC adjustment power, and controlling the charging and discharging of the energy storage system according to the instruction. The system comprises an initialization module, a wind power prediction information calculation module, a to-be-cancelled fluctuation component calculation module, an SOC adjustment power calculation module, an energy storage system charging and discharging instruction synthesis module, a charging and discharging control module and a circulation module. According to the method, the utilization rate of the energy storage system can be effectively improved, the method is simpler and more visual, the application threshold is lowered, and the application and popularization are facilitated.
Owner:SHANDONG UNIV +1
High-power SAR satellite power supply equalization system
ActiveCN112242697AImprove energy storage utilizationGuaranteed uptimeCharge equalisation circuitDc source parallel operationEnergy balancingTelecommunications
The invention provides a high-power SAR satellite power supply equalization system which employs a power router to construct a path between distributed power supplies, selects two distributed power supplies which need to transmit energy according to the actual demands, and enables the corresponding path to be connected, thereby enabling the energy flow to be formed between the two distributed power supplies. Therefore, the energy balance of a plurality of distributed power supplies is realized on the system level through the power router, the energy storage utilization rate of the SAR satellite is improved to the maximum extent, and the system has important significance for guaranteeing the normal operation of the SAR satellite; besides, in the system, the isolation converter is adopted torealize isolation of the non-adjusting bus and the full-adjusting bus, interference coupling between the buses is reduced, and the working stability of the system is improved.
Owner:BEIJING INST OF SPACECRAFT SYST ENG
Energy storage resource matching method based on sharing economic concept
ActiveCN112016824AIncrease profitPromote sustainable developmentMarket predictionsResourcesDecision modelIndustrial engineering
The invention discloses an energy storage resource matching method based on a sharing economy concept. The method comprises the steps of constructing a cloud energy storage business model main body structure taking a cloud energy storage platform as a core and an operation process of the cloud energy storage business model main body structure; analyzing market behaviors of energy storage resourcesurplus users in the main body structure, and establishing an energy storage idle quantity decision model; analyzing market behaviors of energy storage resource demand users in the main body structure, and establishing an energy storage demand decision model; and an energy storage idle quantity decision model and an energy storage demand decision model of the user are combined to construct an energy storage matching mechanism and an auxiliary pricing mechanism of the cloud energy storage platform, and support is provided for reasonable allocation of energy storage resources. According to the method, the commercial mode with the cloud energy storage platform as the core is established, the economic benefits and market behaviors of all participants are comprehensively considered, the idle energy storage resource use right of the energy storage resource surplus user is transferred to the energy storage resource demand user, the energy storage resource utilization rate is increased, and meanwhile extra economic benefits are created.
Owner:STATE GRID SICHUAN ECONOMIC RES INST
Steam recovery type traditional Chinese medicine decocting barrel
InactiveCN111084721AImprove insulation effectImprove energy storage utilizationPharmaceutical product form changeAir pumpEngineering
The invention relates to a steam recovery type traditional Chinese medicine decocting barrel which comprises a barrel body and an outer sleeve, wherein a heat accumulation cavity is formed between theouter sleeve and the barrel body; communicating holes communicating with the heat accumulation cavity are formed in the side wall of the barrel body; an annular air distribution cavity is rotatably connected onto the inner surface of the top wall of the heat accumulation cavity in a sealed way; push plates connected onto the annular air distribution cavity are arranged in the heat accumulation cavity; air outlet holes are formed in the surface of one side of the push plate; the air outlet holes communicate with the annular air distribution cavity through an air passage positioned inside in ahanging plate; a steam outlet hole is formed in the top wall of the barrel body, and is connected with the inlet end of an air pump; the outlet end of the air pump is rotatably provided with a rotating cover in a sealed and sleeved way; the rotating cover communicates with the annular air distribution cavity through an exhaust pipe; and the opening direction of the air outlet holes is perpendicular to the radial direction of the heat accumulation cavity. The steam recovery type traditional Chinese medicine decocting barrel has the advantages that the heat utilization rate can be improved, andsteam cannot be lost. The problems of heat loss and medicine smell loss caused by steam loss in the existing medicine decocting process are solved.
Owner:ZHEJIANG HOUDAR INTELIGENT TECH CO LTD
Compressed air stored energy power generating system based on liquid pistons
ActiveCN106640603AImprove energy storage utilizationImprove securityEngine componentsPump installationsWater sourceGas pipeline
The invention discloses a compressed air stored energy power generating system based on liquid pistons. The system comprises the first liquid piston, the second liquid piston, a low-pressure gas pipeline, a high-pressure gas pipeline, a high-pressure gas storage tank, a power generator, a first water pump, a second water pump, a water source, a heating device, a cooling device and a control device. The two liquid piston devices, the low-pressure gas pipeline, the high-pressure gas pipeline and the power generator are arranged, air is compressed and expanded in the liquid pistons, potential energy of compressed air is fully utilized, the loss is lowered, and the stored energy utilization rate is high; temperature sensors and liquid storage plates are arranged in the liquid pistons, the cooling device is arranged outside the liquid pistons, the temperature in the liquid pistons can be adjusted in the air compression and expansion processes, equipment damage caused by dramatic temperature changes is prevented, and the safety is high; the heating device and the cooling device are arranged for controlling the temperature of the liquid, so that the temperature of gas is controlled, and the automation degree is high; and the temperature adjusting capacity is good, and the stored energy utilization rate is further increased.
Owner:江苏众志达新能源科技有限公司
Rotary lifting stirring type traditional Chinese medicine decocting barrel and rotary lifting stirring type traditional Chinese medicine decocting method
InactiveCN111068557AImprove insulation effectImprove energy storage utilizationShaking/oscillating/vibrating mixersTransportation and packagingPhysicsElectric machinery
The invention relates to a rotary lifting stirring type traditional Chinese medicine decocting barrel which comprises a barrel body and a central stirring shaft, wherein the central stirring shaft isprovided with a threaded section that is in threaded connection with a suspension block so as to suspend the central stirring shaft in the barrel body; the central stirring shaft is connected with a plurality of central stirring shaft part stirring blades positioned in the barrel body; the part, positioned at the upper end of the suspension block, of the central stirring shaft is connected with apower output shaft of a driving motor; the barrel body is further provided with a supporting rod, the supporting rod is provided with a limiting sliding groove extending in the vertical direction, a rotation stopping block connected into the limiting sliding groove in a sliding mode is arranged on a shell of the driving motor, and the supporting rod is provided with an upper limiting and reversingswitch and a lower limiting and reversing switch, which are matched with the rotation stopping block. The medicine decocting device has the advantages that materials can be stirred in the medicine decocting process to promote movement of the materials, and the problem that the medicine decocting efficiency is low due to the fact that existing medicine decocting is static medicine decocting is solved.
Owner:ZHEJIANG HOUDAR INTELIGENT TECH CO LTD
A battery management control method based on scheduling cost
ActiveCN113486504BImprove accuracyScheduling penalties are intuitive and accurateInternal combustion piston enginesForecastingElectrical batteryReliability engineering
Owner:SHANGHAI DIANJI UNIV
A cascaded battery energy storage system and maintenance method
ActiveCN105071547BAchieve maintenanceMeeting energy storage needsElectrical storage systemFlexible AC transmissionElectricityBattery charge
Owner:SHANDONG SACRED SUN POWER SOURCES
Hierarchical porous carbon cloth material, preparation method thereof and application of hierarchical porous carbon cloth material as supercapacitor electrode
InactiveCN112542327ALarge active surface areaImprove energy storage utilizationMaterial nanotechnologyHybrid capacitor electrodesElectrolytic agentHexamethylenetetramine
The invention relates to the technical field of novel electrode materials, and particularly provides a preparation method of a hierarchical porous carbon cloth material and application of the hierarchical porous carbon cloth material as a supercapacitor electrode. The preparation method of the hierarchical porous carbon cloth material comprises the steps of immersing cleaned carbon cloth into a mixed solution of hexamethylenetetramine, zinc nitrate hexahydrate and ammonia water, stirring, then transferring into a reaction kettle for hydrothermal reaction, growing ZnO nanosheets on the surfaceof the carbon cloth, and cleaning and drying the carbon cloth on which the ZnO nanosheets grow; calcining the carbon cloth coated with ZnO nanorods on the surface in a nitrogen atmosphere, cooling toroom temperature, and cleaning with a 3M HCl solution to obtain the hierarchical porous carbon cloth. The surface of the hierarchical porous carbon cloth prepared by the method has a large number of interconnected pore structures, and when the hierarchical porous carbon cloth is used as a supercapacitor electrode, the contact area of the electrode and an electrolyte can be effectively increased, and the ion diffusion rate of the electrode during working is improved, so that the electrochemical performance of an electrode material is improved.
Owner:LIAONING UNIVERSITY
Battery energy storage system and control method based on single battery pack
InactiveCN103050987BImprove energy storage utilizationImprove reliabilityAc network load balancingStored energyTransducer
The invention relates to a storage battery energy-storage system based on single accumulator batteries. The storage battery energy-storage system comprises a power supply bus and a plurality of single accumulator batteries which are connected with the power supply bus, wherein each single accumulator battery comprises a battery jar, a micro bidirectional transducer, a micro battery control device and a storage battery which is arranged in the battery jar, wherein the storage battery is connected with the power supply bus by the micro bidirectional transducer and controlled by the micro battery control device. According to the storage battery energy-storage system disclosed by the invention, the utilization rate of the stored energy, the reliability and the compatibility of the system can be improved based on the single accumulator batteries. Correspondingly, the invention further discloses a method for controlling the storage battery energy-storage system based on the single accumulator batteries, so that the power supply efficiency can be effectively improved while the power supply is guaranteed. Moreover, unnecessary electric energy waste is avoided, and the service life of the batteries is ensured.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
An Array Rod Laser Amplifier
ActiveCN107437720BAvoid size constraintsFlexibleLaser arrangementsActive medium materialAudio power amplifierCoupling
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
Energy storage power supply system and control method thereof
PendingCN114362125AImprove energy storage utilizationAchieve sharingLoad balancing in dc networkThree-or-more-wire dc circuitsNetwork connectionControl engineering
The invention provides an energy storage power supply system and a control method thereof, the energy storage power supply system comprises a commercial power network and N load power supply devices, each load power supply device is connected with the commercial power network through an AC power supply network, and each load power supply device comprises an energy storage module, a power supply conversion module and a control module, the control modules of all the load power supply devices communicate with each other, can receive the related power parameters of all the load power supply devices, and carry out judgment and calculation of power regulation and control according to the related power parameters of all the load power supply devices. And when it is detected that the load power supply device corresponding to the control module needs to call out power to the load power supply device with insufficient power according to the judgment and calculation result, the energy storage module is controlled to output power to the alternating current power supply network, so that the alternating current power supply network supplies energy to the load power supply device with insufficient power. According to the invention, the energy storage power of each load power supply device can be shared.
Owner:深圳市联洲国际技术有限公司
A compressed air energy storage device based on constant temperature control
ActiveCN106368934BImprove heat exchange effectRealize heat exchangeEngine componentsPump installationsWater turbineWater cycling
Owner:张家港盈德气体有限公司
A frequency modulation system and its control method
ActiveCN111371127BImprove FM capabilityFM implementationSingle network parallel feeding arrangementsAc network load balancingControl systemTransformer
Owner:SUNGROW POWER SUPPLY CO LTD
Compressed air energy-storage device based on constant-temperature control
ActiveCN106368934AReduce lossImprove energy storage utilizationEngine componentsPump installationsWater cyclingGas pipeline
The invention discloses a compressed air energy-storage device based on constant-temperature control. The compressed air energy-storage device comprises a liquid piston, a low-pressure gas pipeline, a high-pressure gas pipeline, a liquid cooling device, a water pump water turbine unit, a temperature sensor, a first water circulating cooling device, a second water circulating cooling device and a controller. The liquid piston, the low-pressure gas pipeline, the high-pressure gas pipeline and the water pump water turbine unit are arranged, so that air is compressed and expanded in the liquid piston, potential energy of compressed air is utilized completely, loss is reduced, and a utilization rate for stored energy is high; the temperature sensor, liquid storage plates, a plurality of layers of fillers and the liquid cooling device are arranged, so that the temperature in the liquid piston can be regulated in an air compression process and an air expansion process, and therefore, damages, caused by fierce temperature variation, on equipment are prevented, and safety is high; and the rotatable liquid storage plates are arranged, so that liquid storage is carried out when the temperature is high, and gas-liquid heat exchange is realized; and the rotatable liquid storage plates are perpendicular when the temperature is uniform, so that liquid is not stored, degree of automation is high, and gas-liquid heat exchange effect is good.
Owner:张家港盈德气体有限公司
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