845 results about "Sunlight irradiation" patented technology

The invention discloses a different-floor distribution method for a solar auxiliary charging unmanned aerial vehicle in a shielding scene, and the method comprises the steps: obtaining a user set # imgabs0 # for the unmanned aerial vehicle to carry out the distribution service for different floors, obtaining the height of each user as # imgabs1 #, obtaining the required distribution time as # imgabs3 # for a user # imgabs2 #, enabling # imgabs4 # to be the earliest delivery time of a user # imgabs5 #, and enabling # imgabs2 # to be the earliest delivery time of the user # imgabs2 # to be the earliest delivery time of the user # imgabs2 #; the # imgabs6 # is the latest goods receiving time of the # imgabs7 # of the user; the unmanned aerial vehicle selects a user with the earliest delivery time as a target delivery user, and updates a user set which can be delivered by the # imgabs8 # unmanned aerial vehicle at the moment; and carrying out multi-round delivery or hovering charging according to the height # imgabs9 of the floor where the user is located, the shadow height of the obstacle at the target delivery building and the earliest delivery time of the # imgabs10 of the user. The method is an unmanned aerial vehicle multi-round distribution method, and the unmanned aerial vehicle can be charged by searching a proper sunshine irradiation area in a scene with shelters, so that the flight time is prolonged.

The invention belongs to the technical field of seawater desalination, and particularly relates to a solar efficient photo-thermal conversion type floating ball and seawater evaporation application thereof. Specifically, the solar efficient photo-thermal conversion type floating ball comprises a spherical inner core and a photo-thermal conversion material wrapping the spherical inner core, and the density of the spherical inner core is 25-500 kg / m < 3 >; wherein the photo-thermal conversion material is coated at least twice. According to the solar efficient photo-thermal conversion type floating ball, the photo-thermal conversion material is coated at least twice, the loading capacity is improved, meanwhile, a porous network structure is formed, and the seawater evaporation rate can be increased; sunlight irradiates on the floating ball, light energy is converted into heat energy under the action of the surface photo-thermal conversion material, salt is deposited on the floating ball along with water evaporation, and surface salt deposition is automatically and dynamically removed through the free rotating motion of the floating ball on the water surface under the action of centrifugal force and water flow scouring. And self-recovery of the evaporation process and continuous seawater evaporation are realized.

The invention discloses an intelligent low-altitude unmanned aerial vehicle cluster air-ground cooperative detection fire extinguishing system and method, a patrol plan is made by determining the patrol time interval of a patrol area of an unmanned aerial vehicle and the density of patrol routes, the system can dynamically adapt to the change of seasons and human activities, and the system and method are more accurate and more efficient. Fire missing detection can be effectively avoided; identifying a fire source by adopting a multi-source data fusion technology, determining whether the fire source exists in the forest region through the infrared image and the actual image of the forest region, and determining the intensity and the position of the fire source according to the smoke concentration when determining that the fire source exists in the forest region. The problem that the accuracy of infrared thermal imaging is affected and the detection precision is low due to the temperature difference of different vegetation, the change of the sunlight irradiation angle, water vapor in the atmosphere and the like can be solved. The fire trend prediction module and the fire extinguishing scheme generation module are adopted to automatically realize fire extinguishing of the forest area, the prediction result is efficient and accurate, and missing of the optimal fire extinguishing opportunity can be avoided.

The invention relates to the technical field of corn cultivation equipment, and particularly discloses a soilless cultivation device for sweet corn seed cultivation and a using method thereof.The soilless cultivation device comprises a placing ring, a rotating mechanism, a planting mechanism and a planting mechanism, the top of the placing ring is fixedly connected with an incubator, and the rotating mechanism is rotatably mounted in the incubator; and the protection mechanism is fixedly mounted on the rotating mechanism. Along with the growth of stalks of corn seedlings, the motor can be started to intermittently work in a reciprocating manner, and the driving rod connected with the output end of the motor drives the top cover to rotate, so that the corn plants are uniformly irradiated by sunlight, and the development of each corn plant is ensured; when the top cover rotates, the inner meshing ring on the outer surface of the culture box and the outer meshing ring on the top of the culture box are staggered, namely, the culture box is driven to rotate along with the rotation of the top cover, so that the uniformity of sunlight irradiation of the corn plants is further improved, the irradiation dead angle is greatly reduced, and the development effect of the corn plants is guaranteed.

The invention discloses a photovoltaic energy storage battery device and a photovoltaic energy storage system, and relates to the field of photovoltaic energy storage, the photovoltaic energy storage battery device comprises an energy storage device, the outer side of the energy storage device is provided with an expansion mechanism, the expansion mechanism comprises a main rod, the main rod is provided with an umbrella-shaped assembly, the umbrella-shaped assembly is arranged in an openable manner, and the bottom surface of the umbrella-shaped assembly is provided with a lighting mechanism. The illumination mechanism is used for illuminating the periphery of the main rod and comprises an illumination lamp, the energy storage device comprises a storage battery, the storage battery is fixed in the main rod, and due to the fact that the flexible solar panels are distributed in an umbrella shape, when the driving mechanism drives the lower ring body to move up and down, the illumination lamp can illuminate the periphery of the main rod. The supporting frame is pushed by the supporting rods to be supported at the bottoms of the flexible solar panels in the state of different gradients, the opening degree of the multiple umbrella-shaped flexible solar panels can be changed so as to adapt to sunlight irradiation at different angles, solar energy can be absorbed to the maximum extent, and the multiple supported flexible solar panels can achieve the sunshade effect.

The invention discloses a novel photocatalyst for producing hydrogen from organic matter wastewater and a preparation method of the novel photocatalyst, and relates to the technical field of photocatalysis. The photocatalyst disclosed by the invention is combined with oxidation-reduction capability, and can effectively degrade and produce hydrogen under the irradiation of sunlight. Through combination of quaternized porous tungsten oxide and vanadate radicals, silver vanadate load growth is promoted, the sunlight utilization rate is increased, and the electron-hole recombination rate is reduced. Reduced graphene oxide is used for pretreatment, active groups are introduced, the reduced graphene oxide is compounded with tungsten oxide / silver vanadate, the binding force is enhanced through heat treatment, photo-induced electron-hole pair compounding is inhibited through the conductivity, and the visible light catalytic performance is improved. The adsorption effect of porous tungsten trioxide and reduced graphene oxide can accelerate the degradation of organic matters. By optimizing the proportion of silver vanadate, tungsten oxide and reduced graphene oxide, the visible light response and charge separation efficiency are enhanced, the degradation and hydrogen production performance is improved, and light corrosion is reduced.

The invention discloses a radiation refrigeration coating with high refractive index contrast, and belongs to the technical field of radiation refrigeration coatings. The radiation refrigeration coating with high refractive index contrast comprises the following raw materials: hollow microspheres, a high refractive index pigment, a film-forming substance, a solvent and an auxiliary agent. The coating process of the radiation refrigeration coating film comprises two coating steps: firstly, coating an inner layer coating film on the surface of a base material by using the radiation refrigeration coating with rutile type titanium dioxide as a high-refractive-index pigment as a raw material; and coating the surface of the inner-layer coating film with an outer-layer coating film by using the radiation refrigeration coating with high-refractive-index pigment being zirconium dioxide and / or zirconium silicate as a raw material. According to the invention, a closed and independent bubble structure is introduced into the coating by adopting the hollow microspheres, and the preferable high-refractive-index pigment is matched, so that the refractive index difference value between adjacent components in a coating film is increased, and the sunlight reflectivity of the coating film is remarkably enhanced, thereby realizing excellent radiation refrigeration performance under strong sunlight irradiation.

The utility model discloses a surveying and mapping unmanned aerial vehicle with an anti-shielding effect, which relates to the technical field of surveying and mapping unmanned aerial vehicles and comprises an unmanned aerial vehicle body and an adjusting mechanism arranged on the outer wall of the unmanned aerial vehicle body. According to the invention, a camera is easy to reflect light due to strong sunlight irradiation, the definition of surveying and mapping is influenced, the convenience of adjusting the shielding angle of a shielding plate is improved, a rotating micro motor can be turned on to drive a worm gear to rotate through the rotation of a worm, and through the connection of a connecting shaft, the operation is convenient. According to the surveying and mapping unmanned aerial vehicle with the anti-shielding effect, the shielding plate is driven to do reciprocating overturning motion along the outer wall of the fixed box, the effect of preventing light reflection when the camera is irradiated is achieved, and the control operation of adjusting the use angle of the shielding plate conveniently is achieved. The anti-reflection effect on the camera is improved, and the anti-shielding effect on the camera is improved.

The invention discloses a photovoltaic mobile monitoring trailer and a modular installation method thereof, and relates to the technical field of monitoring trailers, the photovoltaic mobile monitoring trailer comprises a vehicle body, and a monitoring device and a photovoltaic module which are arranged on the vehicle body, the photovoltaic module comprises a support, a driving module, a first photovoltaic panel and two second photovoltaic panels, the support is horizontally and slidably connected to the vehicle body, and the driving module is arranged on the support; the first photovoltaic panel is rotationally connected to the bracket; the two second photovoltaic panels are rotationally connected to the first photovoltaic panel through rotating shafts; after the first photovoltaic panel is installed on the support, the first photovoltaic panel and the two second photovoltaic panels which are in an overlapped state can be firstly opened by adjusting the position of the support, and then the sunlight receiving angle of the first photovoltaic panel and the two second photovoltaic panels can be adjusted by continuously moving the support. On one hand, a worker can conveniently adjust the angle of the photovoltaic panel, and on the other hand, the photovoltaic panel can receive sunlight irradiation when in a storage state, so that the ground is better protected.

The invention relates to the technical field of catalysts, in particular to a plasma silver nanocluster coated mesoporous molecular sieve TS-1 photocatalyst as well as a preparation method and application thereof. The preparation method comprises the following steps: 1, synthesizing mesoporous molecular sieve TS-1 powder; and 2, mixing the mesoporous molecular sieve TS-1 and CH3OH to prepare a suspension, injecting an AgNO3 aqueous solution into the suspension, and carrying out ultraviolet irradiation, filtration, washing and freeze drying to obtain the plasma silver nanocluster coated mesoporous molecular sieve TS-1 photocatalyst. The obtained electron-rich Ag cluster / mTS-1 shows an Ag-Ag coordination number (CN = 2.0 + / -0.1) lower than that of a mesoporous molecular sieve TS-1 (CN = 2.9 + / -0.2) loaded with Ag nanoparticles, so that the electron-rich Ag cluster / mTS-1 has higher CO2 adsorption and activation performance. In addition, the silver nanoclusters are firmly anchored on the surface of the mesoporous molecular sieve TS-1, so that the mesoporous molecular sieve TS-1 has high stability, and therefore, the mesoporous molecular sieve TS-1 shows high-stability CO2-to-CO photocatalytic conversion activity under simulated sunlight irradiation, and the yield of CO within 4 hours is 350 [mu] mol g <-1 >.

The invention discloses an adjustable photovoltaic power generation device, and belongs to the field of photovoltaic power generation. An adjustable photovoltaic power generation device comprises a mounting bottom plate and a solar cell panel connected to the upper portion of the mounting bottom plate in a turnover mode, and further comprises a turnover assembly which comprises an inclined strut connected between the solar cell panel and the mounting bottom plate in a pin joint mode; the cleaning assembly comprises an air bellow and a stand column in pin joint with one end of the air bellow, and one end of the stand column is rotationally connected with the mounting bottom plate; according to the invention, the photovoltaic power generation device enables the photovoltaic power generation panel to be in contact with the maximum direct illumination according to the change of different seasons; the area of the whole photovoltaic power generation panel is enlarged, the area of the photovoltaic power generation panel is enlarged as much as possible in an inclined state, maximum sunlight irradiation is guaranteed, and the working efficiency of the photovoltaic power generation device is improved; and meanwhile, centralized air blowing and dust removal treatment are carried out through the cavity of the air bellow and the mounting position of the brushing roller.

The invention provides a photo-thermal cooperative power generation device and method.The photo-thermal cooperative power generation device comprises a control unit, a temperature detection module, a photovoltaic panel, a phase change heat storage module, a thermoelectric module and a refrigeration module, and the photovoltaic panel, the phase change heat storage module, the thermoelectric module and the refrigeration module are sequentially arranged from top to bottom; the thermoelectric module is heated to generate electricity, the temperature detection module comprises a first temperature detection unit used for detecting the temperature of the photovoltaic panel, and the control unit is electrically connected with the temperature detection module. According to the photo-thermal cooperative power generation device, the heat generated when the photovoltaic panel is irradiated by sunlight can be absorbed through the thermoelectric module, the situation that high temperature influences power generation of the photovoltaic panel is avoided, the thermoelectric module generates power based on the absorbed heat, and therefore the comprehensive power generation efficiency of the photo-thermal cooperative power generation device is improved, and the service life of the photo-thermal cooperative power generation device is prolonged.

The invention discloses an azobenzene polymer material and an application of the azobenzene polymer material in nanoimprint lithography. The azobenzene polymer is prepared by adopting a one-step simple ring-opening metathesis polymerization method, is endowed with excellent thermal stability and light stability, and can keep excellent performance under the conditions of high temperature and sunlight irradiation. Compared with the traditional nanoimprint photoresist, the nanoimprint photoresist provided by the invention has higher stability and precision in the nanoimprint process, can effectively reduce the problems of distortion, blurring and the like of an imprint pattern, and ensures the accuracy of nanostructure transfer printing. The finished product quality and the production efficiency are improved, and meanwhile, the uncertainty and the cost in the manufacturing process are reduced.

The invention relates to the technical field of battery energy storage management, in particular to a distributed light energy storage management method based on a string type energy storage system, which comprises the following steps of: 1, constructing a regional terrain model, and calculating theoretical conversion power based on the total power generation area, component conversion power and power generation loss coefficient of a photovoltaic power generation panel array; 2, performing sunlight irradiation simulation to calculate a shielding parameter value; 3, analyzing and calculating a coverage influence value based on the total suspended particulate matter index of the installation position; 4, obtaining the annual average irradiance of a region corresponding to the installation position, recording the annual average irradiance as G, and analyzing and calculating a power measurement and calculation value in combination with a shielding parameter value, a coverage influence value and theoretical conversion power; 5, calculating a daily average power generation predicted value and a peak power generation predicted value based on the average sunshine duration and the peak sunshine duration; calculating the required peak electric quantity of the load circuit; the energy storage units are divided into storage units and circulation units, and the set number of the storage units and the set number of the circulation units are calculated.

The invention relates to the field of photovoltaic panel cleaning, and discloses a suspension type photovoltaic panel cleaning robot. The suspension type photovoltaic panel cleaning robot comprises a guide rail mechanism, a lifting mechanism, a panel cleaning mechanism and a pulley mechanism. The guide rail mechanism is installed on the side, away from the ground, of the photovoltaic panel, the panel cleaning mechanism is arranged on the sunlight irradiation face of the photovoltaic panel, the lifting mechanism is installed on the guide rail mechanism, and the lifting mechanism is connected with the panel cleaning mechanism through the pulley mechanism. In the embodiment of the invention, the lifting mechanism can move in the horizontal direction through the guide rail mechanism, and the panel cleaning mechanism can move in the vertical direction through the pulley mechanism, so that the complexity of an external auxiliary structure is reduced, the arrangement of a sensor is reduced, and efficient dead-corner-free cleaning of the photovoltaic panel is realized; and the machine cleaning cost of the photovoltaic panel in a high-latitude area is effectively reduced.

The utility model relates to the field of landscape greening wall equipment, in particular to a municipal landscape greening wall which comprises a fixing base, a greening wall body, a planting pot, a watering assembly and a shielding assembly. The greening wall body is arranged on the fixed seat; the multiple sets of planting pots are arranged on the two sides of the greening wall body side by side; the watering assembly is arranged on the greening wall body and located above the planting pots, and the watering assembly comprises a connecting plate; a plurality of groups of connecting plates are arranged, and the plurality of groups of connecting plates are slidably arranged on the greening wall body; the shielding assembly is arranged on the greening wall body and used for shielding the planting pots. The sprayer with the adjustable height can provide personalized water supply for each plant, and the growth requirements of the plants are met; the baffles can effectively reduce direct sunlight irradiation on plant leaves, and the plants are protected from being damaged.

The invention belongs to the technical field of material preparation and air pollution control, and particularly relates to preparation of a manganese oxide composite material photocatalyst with foamy carbon as a substrate material. According to the preparation method, a solution impregnation method is adopted, the surface of foamy carbon is pretreated and activated, an activated carbon skeleton can adsorb a material precursor more easily, and the MnxOy / FC composite material can be prepared through calcination. The MnxOy is anchored on the carbon skeleton, so that the loss of MnxOy nanoparticles in air flow is reduced, the secondary pollution possibly caused by the MnxOy nanoparticles in the catalytic reaction process is avoided, and the recycling of the material can be realized through the integral material design. Experiments prove that the degradation rate of the material to 600 ppm toluene under the irradiation of sunlight simulated by a 300 W xenon lamp reaches 95% within 30 min, the material has rapid degradation efficiency to toluene under the concentration of 100-2000 ppm, the reaction activity is basically kept unchanged in 20 cycle experiments, and the material has very strong stability. And the catalyst has good degradation performance on removal of gaseous pollutants such as formaldehyde, benzene and the like, and has universality. The preparation method is simple, the raw materials are low in price, the chemical properties of the materials are stable, no pollution is caused, the energy consumption in the preparation process is low, and the material shows excellent degradation performance on VOCs, can be applied to various waste gas emission or leakage environments and the like, and has a wide application prospect.

The invention discloses a preparation method of foam composite self-floating sponge and photo-thermal interface evaporation application of the foam composite self-floating sponge. In the foaming process of preparing the porous sponge, the step of adding hydrophobic foam particles in situ is introduced, and the composite material which can rapidly absorb and guide water and has the self-floating characteristic is prepared through a one-step method. The composite material disclosed by the invention can simultaneously meet the dual functions of water absorption, water diversion and self-floating. When the composite material is used as a substrate material of a photo-thermal interface evaporation system, a spontaneous, continuous and stable outdoor evaporation process can be ensured. Under the condition of simulating 1 solar radiation (1000 W / m < 2 >), the technology realizes the water evaporation rate up to 1.86 kg.m <-2 >. H <-1 >; and under natural sunlight irradiation (about 435 W / m < 2 >), the average sewage evaporation rate reaches 1.70 kg.m <-2 >. H <-1 >, and the daily average sewage evaporation capacity is 12.0-14.0 kg.m <-2 >.

The invention belongs to the technical field of optical anti-counterfeiting, and relates to an optical anti-counterfeiting GaN metasurface and an optical anti-counterfeiting product. The optical anti-counterfeiting metasurface comprises a substrate layer and a light reflection structure, the light reflection structure is arranged on the surface of one side of the substrate layer and is used for reflecting incident light so as to output emergent light of which the wavelength continuously changes within a set angle range; the light reflection structure comprises a plurality of first reflection cylinders, the first reflection cylinders are arranged on the surface of one side of the substrate layer in an array mode, and a groove is formed between every two adjacent first reflection cylinders. By adopting the optical anti-counterfeiting GaN metasurface provided by the scheme, 10nm-level narrow-band wavelength selection can be performed on incident light, emergent light with extremely high saturation color can be observed in any direction in the plane where the metasurface is located based on human vision under the condition of sunlight irradiation, and the color of the emergent light continuously changes along with the observation angle, so that the color of the emergent light is changed continuously. Therefore, the optical anti-counterfeiting function is achieved, special optical materials are not needed, cost is low, and the structure is simple.

The invention provides an adhesive composition, an optical adhesive, a preparation method of the optical adhesive and a flexible display device. The adhesive composition comprises a polymeric monomer raw material and a photoinitiator, wherein the light absorption peak wavelength of the photoinitiator is 200 nm to 460 nm; the photoinitiator accounts for 0.23%-0.52% of the mass percentage of the polymeric monomer raw material; the polymeric monomer raw material is prepared from the following components in parts by weight: 50 to 180 parts of acrylic matrix resin, 20 to 50 parts of acrylic resin containing a flexible long chain and 5 to 30 parts of acrylic ester with a hydroxyl group; the acrylic matrix resin is selected from at least one of acrylic acid-2-ethylhexyl acrylate, n-hexyl acrylate and butyl acrylate. The bending performance of the flexible display device can be met, the stable performance is achieved under sunlight irradiation, and meanwhile lossless separation can be achieved.

The invention discloses an In2O3 / ZnO / BiOBr catalyst for efficiently degrading rhodamine B and a preparation method of the In2O3 / ZnO / BiOBr catalyst. The In2O3 / ZnO / BiOBr photocatalyst with a high specific surface area is prepared through a simple one-pot hydrothermal method, the degradation performance of the photocatalyst is improved through simultaneous coupling of In2O3, ZnO and BiOBr, formed double-Z-type heterojunctions are beneficial to inhibition of recombination of photon-generated carriers, and organic dye rhodamine B can be efficiently degraded through construction of the structure. And after sunlight irradiation is simulated for 40 minutes, the degradation rate of rhodamine B reaches 98.80%, and after four continuous degradation experiments, the degradation rate is not obviously attenuated. The material is simple in preparation method and excellent in degradation performance, and has a wide application prospect in the field of organic pollutant removal.

The invention belongs to the technical field of photovoltaic panel frames, and particularly relates to a photovoltaic panel frame with an automatic light-chasing structure, which comprises a bottom plate and a connecting ring plate, the upper side of the bottom plate is movably connected with the connecting ring plate through a bearing, a support plate I is fixed on the upper side of the connecting ring plate, and the lower side of the support plate I is fixed with one end of a bracket. According to the photovoltaic panel frame with the automatic light-chasing structure, the driving motor is started, the sleeve can move downwards along the screw rod, the photovoltaic panel body can adjust the sunlight irradiation receiving angle along with the east rise of the sun, when the sleeve continuously moves downwards, the sunlight irradiation receiving direction of the photovoltaic panel body is adjusted, when the sun falls in the west, the screw rod rotates reversely, and the sunlight irradiation receiving angle of the photovoltaic panel body is adjusted. The photovoltaic panel main body can adjust the sunlight irradiation receiving angle along with the sun, so that the angle and direction of the photovoltaic panel frame can be adjusted according to the rising and falling of the sun, the power generation efficiency is improved, and higher energy output is realized.

The invention discloses a ceramic solar heat collector and a using method thereof, and belongs to the technical field of solar heat collectors, the ceramic solar heat collector comprises a mounting frame, a plurality of ceramic heat collecting pipes distributed in a linear array are arranged in the mounting frame, and a mirror surface adjusting assembly is arranged below the ceramic heat collecting pipes. According to the heat exchange device, by arranging the layered dust removal assembly and forming an upper cavity and a lower cavity through a layered box, cold and hot circulation in the ceramic heat collection pipe is guided, mutual interference of the cold and hot circulation is avoided, the area where cold water flows is always right opposite to the direct sunlight irradiation direction, and the heat exchange efficiency and the heat exchange performance are improved; the layering box drives the inclined cleaning brush to be matched with clear water to clean the inner wall of the ceramic heat collecting pipe through the fixed sleeve and the movable sleeve, the cleaning brush is in a deflection state in the cleaning process, shear stress and vortex are generated on the inner wall of the ceramic heat collecting pipe in the rotating process, and therefore the cleaning efficiency of impurities such as water scales is improved.

The invention discloses a distributed new energy power generation data prediction method and device, equipment and a medium, and the method comprises the steps: obtaining a power station region where a distributed photovoltaic power station is located; acquiring a plurality of first two-dimensional shot images shot by different unmanned aerial vehicles on the sky area from different angles at the target time; performing three-dimensional reconstruction to obtain a plurality of target cloud cluster three-dimensional models in the sky area; the power station area and the multiple target cloud cluster three-dimensional models are projected on a first plane, a power station projection area corresponding to the power station area and multiple cloud cluster projection areas corresponding to the multiple target cloud cluster three-dimensional models are obtained, and the first plane is perpendicular to the sunlight irradiation direction; determining cloud cluster overall influence parameters of the distributed photovoltaic power station based on a position relationship between the cloud cluster projection area and a power station projection area of the distributed photovoltaic power station; and determining the predicted power generation power of the distributed photovoltaic power station based on the cloud cluster overall influence parameter. According to the invention, the power generation prediction accuracy of distributed new energy can be improved.

The utility model relates to a camera protection device, in particular to an installation protection device used for an outdoor camera, which comprises a protection bin, the protection bin comprises a protection box, a waterproof assembly is arranged at the top of the protection box, and a heat dissipation device is arranged at the bottom of the protection box. The solar panel is used for converting solar energy into electric energy to drive the heat dissipation fan to work, when the sunlight irradiation amount is large, the conversion amount of the solar panel is enough, the heat dissipation fan works, meanwhile, the electromagnet generates magnetic force to attract the sliding grating to slide, and therefore the through holes of the sliding grating and the ventilation grating are aligned, and air flow can pass through conveniently; air flow enters the protection box from the ventilation grid and then is discharged from the ventilation holes, and the air flow is utilized to dissipate heat to the camera. When sunlight irradiation is insufficient, the conversion amount of the solar panel is insufficient, the electromagnet loses magnetism, through holes of the sliding grating and the ventilation grating are staggered under the elastic action of the reset spring, the bottom of the protection box is sealed, and meanwhile the cooling fan stops working. And automatic starting and stopping of the heat dissipation device are realized.

The preparation method comprises the following steps: firstly, dispersing hydroxylated carbon nanotubes in water, carrying out ultrasonic treatment to form a uniform dispersion liquid, and then uniformly mixing the uniform dispersion liquid with a bacterial cellulose dispersion liquid, so as to obtain the carbon nanotube-based aerogel with the photo-thermal electric heating effect. Adding methyltrimethoxysilane sol which is hydrolyzed in advance, stirring to form a precursor system, and then performing directional freezing, freeze drying and heat treatment to obtain the carbon nanotube-based aerogel with the photo-thermoelectric heating effect. The carbon nanotube-based aerogel has the super-hydrophobic characteristic, the surface water contact angle is 161 DEG C, the surface temperature is rapidly increased to 126.7 DEG C under applied voltage, photo-thermal response is rapidly generated under simulated sunlight irradiation, the surface temperature is rapidly increased to 117.7 DEG C, and the carbon nanotube-based aerogel is suitable for rapid adsorption and separation of high-viscosity crude oil, has excellent chemical stability and mechanical stability, and can be used in the field of adsorption and separation of high-viscosity crude oil. And after the surface is broken, excellent super-hydrophobic performance and efficient photo-thermal-electric-thermal response capability are still kept.

The invention relates to the technical field of photovoltaic cells, in particular to a photovoltaic cell with an efficient sunlight utilization function. The photovoltaic cell comprises a photovoltaic unit; and the plurality of photovoltaic units are mutually spliced to form a spherical structure. According to the spherical photovoltaic cell provided by the invention, photoelectric conversion efficiency fluctuation caused by angle change of a traditional photovoltaic cell can be avoided while the spherical photovoltaic cell can receive sunlight irradiation in all directions. Due to the spherical design, the photovoltaic cell can effectively capture sunlight at any angle, so that the photovoltaic cell has remarkable advantages in a dynamic illumination environment. In addition, the spherical photovoltaic cell is flexible in structure, can obtain better adaptability in extreme environments such as seaborne and desert, and does not need to depend on an expensive sun tracking system. By adopting the spherical structure, the combination of a plurality of flexible photovoltaic cells can effectively disperse external pressure and vibration and improve the capability of resisting extreme climates such as wind and sand, so that the service life of the photovoltaic cells is prolonged.

The invention discloses a photovoltaic mounting structure for a photovoltaic base, and relates to the field of photovoltaic equipment, the photovoltaic mounting structure comprises a photovoltaic panel, an adjusting mechanism is mounted at the bottom of the photovoltaic panel, and a lifting mechanism is mounted at the bottom of the adjusting mechanism. According to the invention, after a second driving motor is started, a second worm drives a first special-shaped gear to rotate, then a photovoltaic panel is driven to rotate through a second rotating rod and a rotating block, azimuth angle adjustment is realized to maximize the sunlight irradiation efficiency, elevation angle adjustment is realized through a third worm and the second special-shaped gear, and a user operates a handle to rotate the third worm to maximize the sunlight irradiation efficiency. A second special-shaped gear is driven to rotate, then rotation of a second supporting frame is influenced through a limiting rod and a limiting roller, the elevation angle of the photovoltaic panel is changed, the energy conversion efficiency of the photovoltaic panel is improved through the whole adjusting system, the flexibility and reliability of the system are improved, an automatic and manual combined adjusting mode is adopted, manpower input is reduced, and the working efficiency is improved. And the adjustment efficiency is improved, and powerful support is provided for optimized operation of the photovoltaic panel.

The present invention relates to a heat exchanger (figure 1) in the form of a smooth stainless steel cylindrical tube consisting of three tubes (5-6-7), the invention relating to methods for vaporising water (seawater, pure water, freshwater or wastewater) in order to produce steam (3) by means of a process using concentrated thermodynamic solar power as well as geothermal heat and other forms of heat with cogeneration, and by extension to applications for steam production and for producing hydrogen and oxygen by electrolysis. For its process applications, the heat exchanger is in the form of a cylindrical tube of variable diameter (8-9) according to the amount of water (2) to be vaporised and with a length (8) and width (9) defined and modulated according to the flow parameters of a heat-transfer fluid (1-4) heated by solar energy concentrated in situ. The heat exchanger in the form of a stainless steel cylindrical tube is characterised by its particular capacity for process interaction, which produces a thermal transfer by convection and conduction by the tube (6), i.e. a transfer of heat from one hot body, the heat-transfer fluid, oil (7), to a colder body (5), which is a fluid, the water (2). By means of simple works carried out in the sunlit area, the heat exchanger can be installed on the surface, in the subsoil or in a geothermal well having medium or high enthalpy. Once the heat exchanger in the form of a stainless steel cylindrical tube is installed and adapted, systems of pipes carry the water (2) in the space provided up to the heat-transfer system according to the invention, in order to bring the temperature of the fluid to a value higher than the boiling temperature, for the fluid to then be raised, by the same system of pipes, to the surface in order to be vaporised by being ejected to the outside (3) of the heat exchanger. By virtue of its method of use and functions, the heat exchanger in the form of a stainless steel cylindrical tube is intended for methods for vaporising water (seawater, freshwater and wastewater) by evaporation.

The utility model relates to an intelligent greenhouse control device for modern agriculture, which belongs to the technical field of agricultural greenhouses and comprises two greenhouse frames and a U-shaped base, a greenhouse roof is fixedly connected between the tops of the two greenhouse frames, second mounting grooves are formed in the two ends of the interior of the greenhouse roof, and winding rollers are rotatably mounted in the second mounting grooves. The sides, close to each other, of the two shed frames are each provided with a first mounting groove. The device has the advantages that when high-temperature weather is needed, the cover curtain can be pulled to be slowly unfolded through rotation of the wind-up roller and under the gravity effect of the iron rod, damage to plants caused by high temperature can be reduced under shielding of the cover curtain, the cover curtain can be pulled to be wound and reset under reverse rotation of the wind-up roller, and the device is convenient to use. According to the greenhouse, the two sides of the greenhouse can be opened, so that plants are irradiated by sunlight in warm weather, the photosynthetic effect of the plants can be improved, the greenhouse is convenient to use, and the intelligent requirements of modern agricultural greenhouses are met.