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53results about How to "Improve solar energy utilization efficiency" patented technology
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High performance heliogreenhouse
InactiveCN101019493APromote absorptionIncrease profitAgricultural buildingsClimate change adaptationWide areaBasement
The present invention discloses one kind of high performance heliogreenhouse with low building cost and running cost, and features the complete central air conditioner structure, effective utilization of solar energy and capacity of producing warm season vegetable, fruit and flower in wide area including up to 40 north latitude. The present invention may be also used in producing edible fungus and raising animal simultaneously to raise the soil utilization rate.
Owner:陆阳 +1
Solar thermal membrane distillation device
PendingCN110143645APromote productionSolve pollutionGeneral water supply conservationSeawater treatmentWater vaporEvaporation
The invention discloses a solar thermal membrane distillation device which sequentially comprises a water supply chamber, a steam chamber and a condensate water chamber from the left to the right. Anindependent solar-thermal evaporation material, a plurality of water vapor channels and a hydrophobic membrane are sequentially arranged in the steam chamber from the left to the right; the bottom ofthe independent solar-thermal evaporation material is inserted into the water supply chamber; and water in the water supply chamber is evaporated to form steam via the steam chamber and enter the condensate water chamber. The solar thermal membrane distillation device provided by the invention has the characteristics of being simple in structure and easy to operate, membrane pollution caused by direct contact of the supplied water and the membrane is avoided, the condensate water can be efficiently collected, light blocking problems of the condensate water and the steam are solved, and the stability and solar energy utilization efficiency of the solar thermal membrane distillation system are improved.
Owner:ZHEJIANG UNIV
Monitoring method based on agriculture internet of things
ActiveCN105865534APowerfulImprove solar energy utilization efficiencyBatteries circuit arrangementsMeasurement devicesInternet accessData collecting
The invention discloses a monitoring method based on an agriculture internet of things. The monitoring method comprises the following steps of: 1) arranging sub-node devices and a host node device: arranging a host node device and a plurality of sub-node devices in each monitoring area and connecting the sub-node devices with the host node device in a wireless communication form; 2) collecting data: collecting the data on time by the sub-node devices and storing the data in a local storage or accessing the host node device through internet by a client and sending a data collecting instruction to the sub-node devices, and starting the sub-node devices to collect data; and 3) performing remote monitoring by a data uploading and monitoring server on the basis of the received data, collecting the data by the sub-node devices by responding to the instruction of the client, or uploading the collected data on time by the sub-node devices and collecting and storing the uploaded data by the monitoring server, thereby implementing the monitoring. According to the monitoring method provided by the invention, a plurality of monitoring nodes are adopted for remotely monitoring all the parameters of farmland, the monitoring efficiency is high and the monitoring is easily implemented.
Owner:长沙高新开发区岳麓山大学科技园科技服务有限公司
Preparation method of porous nano silicon dioxide anti-reflection film
The invention discloses a preparation method of a porous nano silicon dioxide anti-reflection film. The preparation method comprises polishing, cracking and pore forming. The method comprises the following steps of: selectively etching a glass surface by using silicon dioxide saturated solution of fluosilicic acid; selectively etching calcium oxide, sodium oxide and metal oxide with high reflectivity on the glass surface; and forming a porous nano silicon dioxide anti-reflection film on the glass surface, thereby fulfilling the aims of reducing the reflectivity of the glass and improving the transmittance of the glass. The transmittance of the glass produced by the process can be increased by 2-5 percent; the preparation method has an obvious anti-reflection effect; and in addition, the glass produced by the process has an obvious anti-dazzle effect and an excellent protection effect on human eyes.
Owner:桑普能源科技有限公司
Rare earth elements co-doped indium sulfide material as well as preparation method and application thereof
ActiveCN107670674ANarrow band gapIncrease profitPhysical/chemical process catalystsWater/sewage treatment by irradiationRare-earth elementSpectral response
The invention discloses a rare earth elements co-doped indium sulfide material as well as a preparation method and application thereof. The indium sulfide material is formed in a way that rare earth elements Yb and Tm are co-doped with indium sulfide. The preparation method comprises the following steps: dissolving an indium source, an ytterbium source, a thulium source and a sulfur source into water, so as to obtain mixed solution; performing a hydrothermal reaction on the obtained mixed solution; and performing washing and vacuum drying, so as to obtain the rare earth elements co-doped indium sulfide material. The rare earth elements co-doped indium sulfide material has the advantages of narrow energy gap, wide spectral response characteristic, and high photogenerated charge separation efficiency; and the preparation method has the advantages of being simple in process, strong in operability and low in production cost, being environment-friendly and pollution-free. When the rare earth elements co-doped indium sulfide material is used for treating heavy metal wastewater or dye wastewater, the indium sulfide material has the advantages of being short in reaction time in a treatmentprocess, high in utilization efficiency of solar energy, high in photocatalytic conversion efficiency, convenient in operation and the like, and therefore, the indium sulfide material can be widely applied to elimination of toxicity and harmless treatment for heavy metals and dyes in the wastewater and has great importance.
Owner:HUNAN UNIV
Supersonic preparation of phthalocyanin sensitized nano cobalt dioxide powder
InactiveCN1680022AHigh activityShort preparation cycleCatalyst activation/preparationDispersityNanoparticle
A process for preparing the phthalocyanine sensitized TiO2 nanoparticles by in-situ ultrasonic method includes such steps as preparing the precurse liquid of TiO2 nanoparticles, and adding phthalocyanine as sensitizer while preparing TiO2 nanoparticles in ultrasonic condition. Its advantages are high dispersity and stability, high catalytic activity to visual light and broadband.
Owner:ZHEJIANG UNIV
Multistage trapezoidal type distiller and method for solar photo-thermal evaporation seawater desalination
PendingCN111547802AImprove solar energy utilization efficiencyGeneral water supply conservationSeawater treatmentGlass coverThermal insulation
The invention relates to a multistage trapezoidal distiller for solar photo-thermal evaporation seawater desalination. The multistage trapezoidal distiller comprises a thermal insulation material, a photo-thermal conversion material, a multistage evaporation condensation chamber, a glass cover plate and a transparent heat storage material; the thermal insulation material and the photo-thermal conversion material are laid above seawater at the bottom of a first-stage evaporation and condensation chamber; the trapezoidal evaporation and condensation chamber is vertically divided into multiple stages of evaporation and condensation chambers by inclined glass cover plates; a water inlet and a water outlet are respectively formed in the upper end and the lower end of the glass cover plate. Themultistage trapezoidal distiller has the beneficial effects that the trapezoidal distiller is divided into multiple stages of evaporation and condensation chambers by the inclined glass cover plate; the photo-thermal conversion material is heated by illumination to evaporate seawater; steam is subjected to heat exchange and condensation through the inclined glass cover plate to form fresh water tobe collected, condensation latent heat heats seawater of the previous stage to be evaporated again to obtain steam, heat exchange and condensation are carried out on the glass cover plate of the previous stage to form fresh water to be collected, solar photo-thermal multistage evaporation seawater desalination is achieved, and higher solar utilization efficiency is obtained.
Owner:ZHEJIANG ZHENENG TECHN RES INST +1
Monitoring system based on agricultural Internet of things
ActiveCN105911943AInformed statusPowerfulProgramme controlComputer controlComputer moduleMonitoring system
The invention discloses a monitoring system based on agricultural Internet of things, which comprises multiple monitoring areas. Each monitoring area is provided with one main node device and multiple sub node devices, wherein the sub node devices and the main node device are in wireless communication connection; the main node device is connected with a monitoring server via the Internet; each sub node device is provided with a wireless communication module communicating with the main node device; each sub node device comprises an air cushion-type base (2), a support and a solar panel (12); the support is arranged on the air cushion-type base; the solar panel is arranged on the support and supported by the support; a sub node controller, a temperature and humidity sensor, a water level sensor, a light strength sensor and a positioning module are integrated on the sub node device; and the air cushion-type base is also provided with an insect collection bottle (3). The monitoring system based on agricultural Internet of things adopts multiple monitoring nodes to execute remote monitoring on various parameters of a farmland, the monitoring efficiency is high, and functions are rich.
Owner:CHANGSHA YANGAO ZHIGAN INFORMATION TECH CO LTD
Low-temperature heating radiator
ActiveCN106323042ARealize energy-saving heatingSolve the problem of enhanced heat transferHeat exhanger finsStationary conduit assembliesMetallic materialsEngineering
The invention relates to a low-temperature heating radiator which comprises one or more sets of plate like heat transportation devices and one or more parallel channel type fin heat exchange structures combined with the plate like heat transportation devices. Each plate like heat transportation device is of a plate like structure formed by extruding metal materials, wherein two or more micro pipes arranged side by side are arranged in the plate like structure, and heat exchange transfer is carried out in the micro pipes through flowing media. Each parallel channel type fin heat exchange structure is attached to the plate surface of the corresponding plate like heat transportation device and provided with a plurality of air convection channels arranged side by side and comprises a parallel channel type sparse fin heat exchange structure. Heat exchange is enhanced by means of the plate like heat transportation devices of the special structures, and the parallel channel type fin heat exchange structures are attached to the plate surfaces of the corresponding plate like heat transportation devices correspondingly, so that natural air convection heat exchange and forced air convection heat exchange can be carried out as needed, the heat exchange efficiency is improved, an effective heating function is achieved, the low-temperature heating radiator has the advantages of being low in temperature, capable of saving energy, low in cost and free of maintenance, and meanwhile precision management and energy saving can be achieved.
Owner:CHANGZHOU HETONG PURUN ENERGY TECH CO LTD
Preparation method of halogen bismuth oxide nitrogen fixation photocatalysts with three-dimensional structure
InactiveCN109894126ASimple preparation processProcess parameters are easy to controlPhysical/chemical process catalystsBismuth compoundsAcetic acidHalogen
The invention discloses a preparation method of halogen bismuth oxide nitrogen fixation photocatalysts with a three-dimensional structure. The preparation method comprises following steps: 1, a glucose aqueous solution is prepared; 2, hydro-thermal reaction, washing, centrifugation, and drying are carried out; 3, an obtained product is added into an acetic acid aqueous solution, and magnetic stirring is carried out; 4, Bi(NO3)3 5H2O is added, after complete dissolving, a halogeno salt of the same molar amount is added so as to obtain a brown precipitate; and 5, drying and sintering are carriedout so as to obtain the halogen bismuth oxide nitrogen fixation photocatalyst with a three-dimensional structure. According to the preparation method, template method is adopted to prepare a plurality of nitrogen fixation photocatalysts, preparation technology is simple, energy consumption is low, different halogeno salts can be adopted to prepare samples of a three-dimensional structure respectively, product purity is high, the morphology is uniform, the dispersibility is excellent, the performance is stable, and the circulation performance is excellent.
Owner:XUZHOU NORMAL UNIVERSITY
Photovoltaic charging unit for electric vehicle
InactiveCN105471075AWork reliablyRealize group controlBatteries circuit arrangementsCharging stationsTransformerEngineering
The invention discloses a photovoltaic charging unit for an electric vehicle, and belongs to the technical field of solar power generation. The main structure of the photovoltaic charging unit comprises a photovoltaic cell, a charge-discharge controller, a station-mounted terminal, an inverter, an energy storage cell, a remote terminal, a charging port, a charging pile and a transformer / rectifier, wherein the charge-discharge controller is connected with the photovoltaic cell, the station-mounted terminal, the energy storage cell and the inverter separately through corresponding signal lines and wires; the charging pile is connected with the energy storage cell and the charging pile through wires; the station-mounted terminal and the remote terminal are in wireless communication; the input end of the transformer / rectifier is connected to a power grid while the output end of the transformer / rectifier is connected with the energy storage cell; and the input end of the inverter is indirectly connected with the photovoltaic cell through the charge-discharge controller while the output end of the inverter is connected with the power grid for supplying power for the power grid. The photovoltaic charging unit can convert solar energy into electric energy for storage and can be used for peak clipping and valley filling for the power grid so as to charge the electric vehicle or obtain electric energy from the electric vehicle; the electric energy interchange among electric vehicles can be realized; and in addition, remote control and a payment function for multiple kinds of electric charges can be realized as well.
Owner:QINGDAO UNIV
Photovoltaic and photothermal integrated unit
InactiveCN102097519AIncrease temperatureIncrease powerSolar heating energySolar heat devicesEngineeringSolar cell
The invention relates to a photovoltaic and photothermal integrated unit. The unit comprises a water tank, a glass panel, packaged solar cell blocks and a glass substrate. The unit is characterized in that a group of packaged solar cell blocks are laid between the glass panel and the glass substrate; gaps are reserved among the packaged solar cell blocks; a heat-absorbing material layer is laid below the glass substrate; a plurality of hot water pipes connected with the water tank are embedded in the heat-absorbing material layer; the hot water pipes are connected with each other by a cold water pipe; and the cold water pipe is connected with the water tank. The unit has the following beneficial effects: while the solar cell generates power normally, the direct solar radiation heat-absorbing materials and the heat-absorbing materials are used for absorbing heat generated when the solar cell generates power to heat the water in the hot water pipes to provide domestic hot water with higher temperature to people.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER
Liquid-immersed flat plate photovoltaic component
InactiveCN101794831AGood light transmissionAchieve the perfect combinationPhotovoltaic energy generationThermal-PV hybrid energy generationEngineeringSolar cell
The invention discloses a liquid-immersed flat plate photovoltaic component, which comprises a lower transparent bottom plate, wherein the periphery of the lower transparent bottom plate is fixedly connected with that of an upper transparent cover plate to form a container which contains insulating liquid; a solar cell component is immersed in the insulating liquid and consists of solar cells connected by electrode leads; the solar cell component is fixedly connected with the inner surface of a side wall; and the side wall is provided with an insulating liquid inlet and an insulating liquid outlet. The liquid-immersed flat plate photovoltaic component has high light transmission and therefore can be used for making glass windows, glass curtain walls, glass ceilings or the like of buildings so as to realize perfect combination of the photovoltaic utilization technology and the building. The solar cell is immersed in the flowing insulating liquid so as to be effectively cooled to improve the power generation efficiency, slow down the aging speed, improve the life and reduce the power generation cost. The heat of the insulating liquid after the heat exchange can be further utilized so as to realize combination of power and heat of the photovoltaic system.
Owner:TIANJIN UNIV
Sun-driven adsorption type combined cooling, heating, power and water production system for desert and method thereof
ActiveCN114877558AImprove water collectionImprove cooling effectMechanical apparatusStationary tubular conduit assembliesSteam condensationWater vapor
The sun-driven adsorption type combined cooling, heating, power and water production system comprises a condenser, a central heat exchanger, an evaporator and a plurality of adsorption beds, each adsorption bed comprises a first heat exchange pipe, and a second heat exchange pipe correspondingly communicated with the first heat exchange pipe is arranged in the central heat exchanger; the central heat exchanger is used for externally supplying heat to form a heat supply module; a photovoltaic cover on the surface of the adsorption bed absorbs sunlight and outputs electric energy to form a power generation module; a steam outlet of the adsorption bed is communicated with a steam inlet of the condenser, the condenser is used for condensing water vapor into liquid water, and a first water outlet of the condenser is connected with the water collecting tank to form a water producing module; a second water outlet of the condenser is communicated with a water inlet of the evaporator, an expansion valve is arranged on a connecting pipeline, and a water outlet of the evaporator is communicated with a water inlet of the adsorption bed to form a refrigeration module. Multiple-effect output is achieved through the same set of system driven by solar energy and the method thereof, so that the living requirements of desert residents for cooling, heating, electricity and water are met.
Owner:SHANGHAI JIAO TONG UNIV
Solar cavity type reactor based on light-transmitting, breathable and heat-gathering reaction chamber
ActiveCN111151200AImprove breathabilityImprove uniformityEnergy storageChemical/physical processesChemical reactorEngineering
The invention discloses a solar cavity type reactor based on a light-transmitting, breathable and heat-gathering reaction chamber. The solar cavity type reactor comprises a shell, a quartz light-transmitting plate, an annular protective cover and the light-transmitting, breathable and heat-gathering reaction chamber; the top of the shell is open, an outlet channel for outputting product mixed gasis formed in the center of the bottom of the shell, and an inlet channel for uniformly injecting reactant mixed gas is formed in the peripheral surface of the shell; the shape and size of the quartz light-transmitting plate are matched with those of the interior of the annular protective cover, the annular protective cover is arranged outside the quartz light-transmitting plate in a sleeving modeand connected with the top of the shell in a sealed mode through threads, a closed cavity is formed by the shell, the annular protective cover and the quartz light-transmitting plate, and the quartz light-transmitting plate serves as a light-transmitting window of the cavity. The light-transmitting, breathable and heat-gathering reaction chamber is arranged in the cavity and positioned between theinlet channel and the outlet channel. The problems of low solar radiation utilization efficiency and large heat loss in the use process of an existing solar thermal chemical reactor can be effectively solved.
Owner:SUN YAT SEN UNIV
Curved-surface photovoltaic panel
ActiveCN106374005AIncrease the effective working areaImprove effective work efficiencyPhotovoltaic energy generationSemiconductor devicesEngineeringSunlight
The invention discloses a curved-surface photovoltaic panel which comprises a photoelectric conversion structure and an illumination adjusting structure at least. The photoelectric conversion structure comprises at least one arc-shaped conversion unit, the tile-type conversion unit includes a projection structure protruded from the photoelectric conversion structure towards the illumination adjusting structure, the conversion units are arranged in a array in which the edges of the arc-shaped structures are partially adjacent, and the conversion units and the illumination adjusting structures are laminated in parallel. The photovoltaic conversion structure composed of the arc-shaped conversion units is arranged, the effective work area in the unit area is increased, radiation can be dispersed effectively, the illumination adjusting structure with a unidirectional light transmission function is used cooperatively, unidirectional sunlight transmission is realized in use, scattering and reflection phenomena are reduced, the utilization efficiency of solar energy is high, the power generating efficiency is high, and the heat radiation performance is high.
Owner:浙江泰一售电有限公司
Hollow heat gathering glass
InactiveCN106869705ASimple structureImprove solar energy utilization efficiencyClimate change adaptationWindows/door improvementDry gasActual use
The invention discloses hollow heat gathering glass. The hollow heat gathering glass comprises a first glass layer and a second glass layer spaced from the first glass layer. Sealing fixing pieces are arranged around the first glass layer and the second glass layer, and by means of the sealing fixing pieces, a sealed cavity is formed between the first glass layer and the second glass layer. The first glass layer comprises first tempered glass and first heat gathering glass. The second glass layer comprises second tempered glass and second heat gathering glass. A plurality of triangular cavities are evenly formed in the first tempered glass. A plurality of first hollow structures are evenly arranged on the first heat gathering glass. Crossed cavities are formed in the second tempered glass, and second hollow structures are evenly arranged on the second heat gathering glass. The sealed cavity is filled with dry gas or is in a vacuum state. The hollow heat gathering glass is simple in structure and light, particularly can improve the solar utilization efficiency, has good heat gathering and heat preservation effects for the indoor space and meets the actual use demands.
Owner:滁州市金鹏新型建材开发有限公司
Hook face reflection condensation solar energy photoelectric and photo-thermal spectrum division utilization apparatus
InactiveCN107026609AImprove concentrationImprove solar energy utilization efficiencyPhotovoltaicsPhotovoltaic energy generationPhotoelectric conversionEngineering
The invention belongs to the technical field of solar energy application, and provides a hook face reflection condensation solar energy photoelectric and photo-thermal spectrum division utilization apparatus. Light rays of different wavebands are focused on a solar photovoltaic power generation apparatus and a solar energy photo-thermal absorption apparatus by the apparatus respectively; the wavebands of high photoelectric conversion efficiency are focused on a solar energy photoelectric conversion apparatus; and wavebands of low photoelectric conversion efficiency are focused on a solar energy photo-thermal collecting apparatus, so that solar energy spectrum division utilization can be realized. The spectrum division utilization apparatus has the advantages of realizing photovoltaic power generation, avoiding heating of the photoelectric conversion efficiency to influence the conversion efficiency, and supplying heat and improving solar energy utilization rate.
Owner:HANGZHOU LINGYING TECH CO LTD
Liquid nitrogen cooling tower solar thermoelectric power station
InactiveCN104832384AImprove solar energy utilization efficiencyImprove utilization efficiencyFrom solar energyDomestic cooling apparatusCooling towerLiquid nitrogen cooling
A liquid nitrogen cooling tower solar thermoelectric power station comprises a tower truss, a mirror field, a heat absorber, a generator, a thermoelectric engine, and a liquid nitrogen storage tank. A cooler of the program-controlled switching thermoelectric engine is sealed in a sealed box which has at least one inlet for feeding liquid nitrogen and at least one outlet for discharging liquid nitrogen. Liquid nitrogen as a cooling medium flows out of the liquid nitrogen storage tank, enters the sealed box where the cooler of the thermoelectric engine is disposed in the form of liquid to cool the cooler of the thermoelectric engine, and is then gasified and discharged into atmosphere from the outlet. According to the invention, the thermoelectric engine is cooled with liquid nitrogen, which is higher in efficiency than a mode of cooling with air. The efficiency of solar energy conversion can be greatly improved. A method for obtaining higher solar generation power per unit area is provided. The liquid nitrogen cooling tower solar thermoelectric power station is applicable to occasions having high requirement on power and a limited space.
Owner:上海领势新能源科技有限公司 +1
Photovoltaic energy storage electric automobile charging station system and method for switching state of energy storage system
ActiveCN102361334BFlexible switchingImprove absorption efficiencyBatteries circuit arrangementsEnergy storagePower qualityAlternating current
Owner:SHENZHEN POWER SUPPLY BUREAU +1
Light condensation heating type solar energy soil sterilization and disinfestation device
ActiveCN105265423AAchieve physical exterminationRealize heat recoverySteam soil sterilisationHeatFood safetyPollution
The invention relates to agricultural machinery appliances, and particularly relates to a soil sterilization and disinfestation device. The technical scheme is that the light condensation heating type solar energy soil sterilization and disinfestation device comprises a soil conveying component and a soil heating component. According to the invention, pests, pathogenic bacteria and weed seeds in the soil are killed by utilizing high temperature and high light generated by solar energy light condensation and heat collection technologies, and fossil energy is not required to be consumed. Compared with an existing chemical killing method, the device provided by the invention almost has no pollution for the environment and protects the agricultural food safety. The soil in a glass vacuum tube is stirred and heated, organic pollutants in the soil are enabled to be effectively volatized, the polluted soil is restored in the sterilization and disinfestation process, and the self cleaning capacity of the soil is improved. Back heating of the high-temperature soil is realized through heat exchange between the processed high-temperature soil and feeding soil, and the solar energy utilization efficiency of the soil sterilization and disinfestation device is improved.
Owner:INNER MONGOLIA UNIV OF TECH
High-efficiency solar water heater
InactiveCN103486745AIncrease contact areaImprove solar energy absorption efficiencySolar heating energySolar heat devicesInsulation layerThermal break
The invention discloses a high-efficiency solar water heater. The high-efficiency solar water heater is a flat cuboid water container structure which is provided with a water inlet and a water outlet at two ends, the cuboid water container is combined by an upper iron heat absorbing plate and a lower plastic plate, the upper surface of the iron heat absorbing plate is polished to be coarse and heated and oxidized to be black, many heat conduction slices extend out of the lower surface of the iron heat absorbing plate and are plated with a layer of copper by virtue of an electrolytic process, and expanded plastic heat insulation layers are conglutinated at the lower part and the periphery of the cuboid water container. The high-efficiency solar water heater disclosed by the invention adopts the simplest structure and materials, so that the characteristics of the highest solar absorption efficiency, the highest heat energy conduction capacity, the highest water heating speed, the strongest natural disaster resistance capacity, the best mutual combination shape and the most convenient installation transport structure are realized.
Owner:洪满
Solar composite tube, solar composite bed comprising the same, and solar cold and heat supply system comprising solar composite bed
InactiveUS20170159974A1Facilitate adsorptionImprove adsorption capacitySolar heating energyCentral heating with accumulated heatEngineeringSorbent
A solar composite tube, including a solar vacuum tube having two open ends; a water path; an adsorbent; and an adsorbate. The solar vacuum tube includes an outer metal tube and an inner metal tube which are coaxially disposed inside the solar vacuum tube. The water path is formed between the outer metal tube and the solar vacuum tube; the adsorbent is disposed between the outer metal tube and the inner metal tube and is configured to exchange heat with water in the water path outside the outer metal tube; the inner metal tube includes a plurality of through holes; the adsorbate is disposed in the inner metal tube; and the adsorbate and the adsorbent form an adsorption-desorption working pair. The invention also provides a solar composite bed including a lower header, an upper header, and the solar composite tube.
Owner:ZHONGYING CHANGJIANG INTERNATIONAL NEW ENERGY INVESTMENT CO LTD
Solar refrigeration system
InactiveCN102003831AImprove solar energy utilization efficiencySolar heating energySolar heat devicesHeat conductingEngineering
The invention discloses a solar refrigeration system, which comprises a tank body for storing a heat-conducting medium, a drainage pipe connected with an opening of the tank body, and a return pipe connected with a return port of the tank body. The drainage pipe is connected with the return pipe through a plurality of groups of distribution branch pipes; the plurality of groups of distribution branch pipes are inserted into a solar island; the solar island consists of a plurality of solar reflecting devices; and at least two solar reflecting devices are inserted into each group of distribution branch pipes. The solar refrigeration system also comprises a heat exchange device, wherein the return pipe passes through the heat exchange device; an inlet of the heat exchange device is connected with a water tank through a water inlet pipe; an outlet of the heat exchange device is connected with a single-screw expander through a pipeline; and an air outlet of the single-screw expander is connected with an air conditioner through the pipeline. Due to heat exchange of the heat exchange device, the single-screw expander is pushed to work for refrigeration, and the solar refrigeration system has the advantages that: the solar energy utilization efficiency is high, and the solar energy can be converted into power.
Owner:叶明立 +1
A monitoring method based on agricultural Internet of things
ActiveCN105865534BPowerfulImprove solar energy utilization efficiencyBatteries circuit arrangementsMeasurement devicesData acquisitionInternet access
The invention discloses a monitoring method based on an agriculture internet of things. The monitoring method comprises the following steps of: 1) arranging sub-node devices and a host node device: arranging a host node device and a plurality of sub-node devices in each monitoring area and connecting the sub-node devices with the host node device in a wireless communication form; 2) collecting data: collecting the data on time by the sub-node devices and storing the data in a local storage or accessing the host node device through internet by a client and sending a data collecting instruction to the sub-node devices, and starting the sub-node devices to collect data; and 3) performing remote monitoring by a data uploading and monitoring server on the basis of the received data, collecting the data by the sub-node devices by responding to the instruction of the client, or uploading the collected data on time by the sub-node devices and collecting and storing the uploaded data by the monitoring server, thereby implementing the monitoring. According to the monitoring method provided by the invention, a plurality of monitoring nodes are adopted for remotely monitoring all the parameters of farmland, the monitoring efficiency is high and the monitoring is easily implemented.
Owner:长沙高新开发区岳麓山大学科技园科技服务有限公司
Weather-proof garden lamp for emergency use
PendingCN107120604ASimple structureLow costElectric circuit arrangementsLighting elementsControl layerEngineering
Owner:NANJING ZHENGXIN LIGHTING TECH CO LTD
Solar energy storage system and driving method thereof
InactiveCN102255560AImprove solar energy utilization efficiencyAvoid overheatingPV power plantsEnergy storageSolar energy storageEngineering
The invention relates to a solar energy storage system which comprises a solar panel, a charge-discharge control device, a main energy storage device, a trigger unit, an inverter and an auxiliary energy storage device. The solar panel is used for collecting solar energy and converting the solar energy into electric energy. The charge-discharge control device is connected between the solar panel and the main energy storage device. The charge-discharge control device is used for converting a DC (direct current) voltage output by the solar panel into a positively and negatively alternate pulse voltage and charging the main energy storage device by using a positive pulse voltage, wherein the positively and negatively alternate pulse voltage comprises the positive pulse voltage and a negative pulse voltage. The trigger unit is connected with the charge-discharge control device and the inverter. The trigger unit is used for switching on the inverter in the time period of the negative pulse voltage. The inverter is connected to the auxiliary energy storage device. The inverter is used for converting the negative pulse voltage into the negative pulse voltage and charging the auxiliary energy storage device. The invention also provides a driving method of the solar energy storage system.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
Liquid-immersed flat plate photovoltaic component
InactiveCN101794831BGood light transmissionAchieve the perfect combinationPhotovoltaic energy generationThermal-PV hybrid energy generationEngineeringSolar cell
Owner:TIANJIN UNIV
Concentrating solar heating type solar soil sterilization and insecticide device
ActiveCN105265423BAchieve physical exterminationRealize heat recoverySteam soil sterilisationHeatSelf purificationBiology
Owner:INNER MONGOLIA UNIV OF TECH
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