47 results about "Solar light" patented technology

The application provides an antifouling coating material, an antifouling coating and a preparation method and application thereof. The antifouling coating prepared from the antifouling coating material provided by the application has a water contact angle of 105.8-161.5 degrees and a sliding angle of 1.5-24.1 degrees in a wavelength range of 200-2500 nm; a light absorption rate of 65.7-98.3 %; and a maximum light-heat surface temperature of 45.1-82.8 DEG C under 1 solar light intensity. Moreover, the antifouling coating has synergistic antifouling of superhydrophobic low adhesion and biological repellence, wide-spectrum high-efficiency and controllable light-heat antifouling capacity, all-weather antifouling capacity facing the air-water interface of the sea, and excellent mechanical durability and light-heat / wetting performance stability.

The application belongs to the technical field of preparation of thermochromic hydrogel, and discloses a thermochromic hydrogel for shielding ultraviolet and near-infrared light and a preparation method and application thereof. The thermochromic hydrogel is prepared by one-pot low-temperature crosslinking with N-isopropyl acrylamide as a temperature-sensitive matrix, hydroxypropyl methyl cellulose as a modified component, titanium dioxide and cesium tungsten bronze as functional fillers, N, N-methylene bisacrylamide as a crosslinking agent, ammonium persulfate and sodium bisulfite as an initiation system. The thermochromic hydrogel realizes full-band regulation of sunlight by using the ultraviolet shielding of titanium dioxide and the near-infrared heat insulation performance of cesium tungsten bronze. The prepared hydrogel has the characteristics of high visible light transmittance, excellent solar light modulation efficiency and suitable critical transition temperature, and makes up for the defect of insufficient spectral shielding capacity of traditional single PNIPAM hydrogel. The process is mild and simple, the raw materials are cheap and easy to obtain, and the hydrogel is easy to form a film in a large area and to be prepared on a large scale, so the hydrogel can be widely applied to the fields of energy-saving and light-regulating such as intelligent windows of buildings, vehicle-mounted light-regulating glass and the like.

The application provides a method for preparing an M-phase VO2 film by a light-assisted spray pyrolysis method and the M-phase VO2 film prepared by the method, and belongs to the field of nanometer materials. The method comprises the following steps: (1) preparing a vanadium dioxide spraying liquid: adding vanadium oxyacetonylacetone into anhydrous methanol, stirring and aging to obtain a vanadium dioxide spraying liquid with ultraviolet photosensitive properties; (2) preparing a vanadium dioxide film: introducing the vanadium dioxide spraying liquid in step (1) into an atomizer and spraying onto a substrate coated with a TiO2 anatase phase under ultraviolet light irradiation to obtain the M-phase VO2 film. The method enables vanadium ions to be chelated in the sol by stirring, and the vanadium dioxide spraying liquid has ultraviolet photosensitive properties. The purity of the VO2(M) film is improved by introducing a titanium dioxide transition layer, and the microstructure of the VO2(M) film is improved by ultraviolet light irradiation, thereby improving the visual transmittance and solar light regulation rate of the VO2(M) film.

The application discloses a solar multistage latent heat recovery type sludge drying system and method, and relates to the technical field of sludge drying, in particular to the solar multistage latent heat recovery type sludge drying system and method. The system comprises a solar light condensing device, a solar heat storage device and a sludge drying device. The sludge drying device comprises multiple sludge drying spaces and multiple steam flow spaces. The sludge drying spaces and the steam flow spaces are sequentially and spacedly arranged from top to bottom. The steam flow space is separated from the sludge drying space above the steam flow space by a supporting purification layer. The steam flow space is separated from the sludge drying space below the steam flow space by a hydrophilic heat conduction layer and a hydrophobic heat conduction layer. A sunlight absorption layer and a transparent heat insulation layer are sequentially arranged above the uppermost sludge drying space. The application can improve the solar energy utilization efficiency of the system, reduce energy consumption and environmental impact, and solve the problems of high energy consumption, complex operation, low solar drying technology efficiency, secondary pollution and large occupied area in the sludge drying process.

The application discloses a low-cost high-transparency VO2 nanoparticle thermochromic smart window with a double optical matching layer structure and a preparation method thereof, and belongs to the technical field of smart windows and passive heat management materials.The application aims to solve the problems that the prior art cannot simultaneously realize effective ion blocking and environmental protection on the basis of simplifying the film system structure and obtaining the unification of high visible light transmittance and high solar light modulation capacity on a low-cost substrate system.The smart window comprises, from bottom to top, a soda-lime glass substrate, a first optical matching layer, a W-doped VO2 nanoparticle thermochromic functional layer and a second optical matching layer.The method comprises the following steps: one, depositing the first optical matching layer;two, depositing the W-doped VO2 continuous film and in-situ annealing;three, depositing the second optical matching layer;and four, annealing.The application is used for the low-cost high-transparency VO2 nanoparticle thermochromic smart window with the double optical matching layer structure and the preparation thereof.

A garden light includes a translucent hollow column, a solar light emitting module mounted onto the top end of the hollow column, and a first light emitting module detachably assembled to the bottom side of the solar light emitting module. Users can selectively use an LED at the bottom side of the solar light emitting module to emit light in the hollow column, or assemble the first light emitting module to let the first light emitting module emit light in the hollow column after the solar light emitting module receives electric power.

The application relates to the field of aerospace technology, in particular to a lunar surface plume dust diffusion characteristic ground calibration system and method, which comprises a vacuum chamber, a solar simulator, a test platform, a dust raising device and a measuring device, wherein: the test platform is arranged in the interior of the vacuum chamber; the measuring device is arranged on one side of the interior of the vacuum chamber and comprises a dust raising sensor, a control circuit and an analysis display module; the dust raising sensor is arranged on the test platform through a rotary table and is electrically connected with the analysis display module through the control circuit; the dust raising device is arranged on the test platform in the interior of the vacuum chamber and is used for forming a dust raising area; and the solar simulator is arranged outside the vacuum chamber and is used for simulating a solar light source. The application can realize quantitative measurement of dust raising concentration under different angles and different concentrations, can satisfy calibration of dust raising concentration of all moon exploration missions, and can realize low-cost and high-reliable dust raising concentration calibration ground experiment with a calibration error of less than 15%.

The application provides a large-temperature-difference energy storage heating system and a heating method based on solar full-spectrum utilization, and belongs to the field of solar heating. In order to solve the problems of low solar energy utilization rate, small temperature difference of heat storage medium, less energy storage and resource waste, and difficulty in guaranteeing heating due to the instability and low energy flow density of solar energy, the application comprises a solar light concentration and frequency utilization photovoltaic power generation and heat collection system, a large-temperature-difference energy storage subsystem and a compression-ejection coupled heat pump subsystem. The solar light concentration and frequency utilization photovoltaic power generation and heat collection subsystem generates electric energy and heats the circulating medium in the heat collection pipe, and stores the surplus electric energy. The large-temperature-difference energy storage subsystem utilizes the heat of the heat conduction medium in stages, including secondary heating and tertiary heating. The temperature difference of the heat conduction medium can be greatly enlarged, and the energy storage density is improved. The high-temperature section drives the ejection heat pump, the medium-temperature section directly exchanges heat, and the low-temperature section realizes photovoltaic power storage heat pump combined heating, so that the heating guarantee is improved.

This utility model discloses a solar-powered lighting fixture, including a solar panel for providing solar power; an LED panel including a circuit board, a plurality of LED beads arranged on the circuit board, and a charging port and a control switch arranged on the circuit board; and a conversion device, one end of which is connected to the solar panel and the other end of which is connected to the LED panel; the conversion device is disposed between the solar panel and the LED panel. This utility model provides clean energy through the solar panel, reducing dependence on the traditional power grid and saving energy and protecting the environment; the circuit board integrates LED beads, a charging port, and a control switch, realizing a modular design for lighting, charging, and control, which is convenient for user operation and maintenance; the conversion device, as an intermediate connecting component, optimizes energy conversion efficiency and ensures a stable supply of solar power to the LED panel.

This invention provides a solar thermal heating device, belonging to the field of solar energy utilization technology. It includes a support plate, a reflective mirror, a water supply pipe, a bracket plate, a shading component, a driving component, and a movable limiting component. Two sets of bracket plates are provided, arranged opposite to each other. The water supply pipe passes through both sets of bracket plates and is fixedly connected to them. The support plate is located outside the water supply pipe and rotatably engages with it. The reflective mirror is installed on the side of the support plate facing the water supply pipe. Compared to existing technologies, this invention enables automatic adjustment of the reflective mirror angle, allowing it to move with the sun, thereby improving solar thermal utilization efficiency. Furthermore, it automatically shades the reflective mirror at sunset, preventing dust, dew, and other foreign objects from falling onto its surface at night and affecting its subsequent performance.

The article relating to this design is a solar light with a clip; the pole is rotatable and the angle can be adjusted; the clip is easy to attach; and it is used for lighting garden balconies.

The application discloses a biomass pyrolysis method and device driven by solar heat and photovoltaic green electricity, which comprises a solar light condensing unit, a spectrum separation unit is arranged on an exit path of the solar light condensing unit, and the spectrum separation unit separates light energy into a first wave band and a second wave band; a photoelectric conversion unit and a photo-thermal conversion unit are arranged on an output path of the spectrum separation unit; the photoelectric conversion unit converts the first wave band into electric energy output; the photo-thermal conversion unit converts the second wave band into thermal energy output; wherein the photo-thermal conversion unit and the photoelectric conversion unit cooperate to pyrolyze biomass materials; by separating solar radiation into short-wave light and long-wave light and guiding the short-wave light and the long-wave light to photovoltaic power generation and photo-thermal heating paths respectively, step-by-step efficient utilization of full spectrum of solar energy is realized, and the energy conversion efficiency of a unit area is greatly improved.

The utility model relates to the technical field of solar light and heat power generation discloses a solar heliostat. The solar heliostat includes: first sub mirror, the distribution of at least two second sub mirrors around the first sub mirror week side, support frame, stand and tracking mechanism, the axis of stand is perpendicular to ground, support frame is located at the top of stand, tracking mechanism is used for driving support frame action, first sub mirror and second sub mirror are located at the side of support frame away from the stand, first sub mirror and support frame fixed connection, every second sub mirror is connected with support frame rotation to the edge part of first sub mirror, the rotation axis of second sub mirror is perpendicular to the arrangement direction of itself and first sub mirror, and is parallel to the mirror surface of first sub mirror, and the part of second sub mirror away from first sub mirror is equipped with support part, and support frame is connected with support part through an adjusting part. The solar heliostat can realize the fast adjustment focal length, and the positioning accuracy is higher, and it is favorable for improving the focusing accuracy of heliostat.

The application relates to a heat supply system and method for coupling solar light heat and medium-pressure cylinder division, which comprises a light heat power station, a molten salt heat exchange device and a thermal power heat supply subsystem, wherein the light heat power station, the molten salt heat exchange device and the thermal power heat supply subsystem are sequentially connected; the thermal power heat supply subsystem comprises a boiler, a high-pressure cylinder, a first medium-pressure cylinder, a second medium-pressure cylinder and a low-pressure cylinder; an output end of the molten salt heat exchange device is connected with an input end of the first medium-pressure cylinder, an input end of the molten salt heat exchange device is connected with an output end of the high-pressure cylinder; and the boiler is connected with an input end of the high-pressure cylinder. The technical scheme provided by the application can realize steam energy cascade utilization to meet the demand of low-pressure industrial steam supply, realize energy saving and emission reduction, fully use solar light heat and realize light-coal complementation.

A kind of agricultural and sideline products drying system and method based on wind energy direct drive and solar light heat complementation suitable for dry area belong to new energy drying technical field.Solve the problem that wind energy and solar energy cannot be deeply cooperated in prior art.Technical points: when wind is sufficient, directly drive first fan, realize efficient drying;Solar energy collector absorbs solar energy, heats internal working medium, stores it in heat storage water tank;When ambient temperature is low and air humidity is large, start solar energy collector;When wind is weakened or there is no wind, clutch switches, power grid supplies power to motor, drives first fan and circulating water pump to continue to run;When normal temperature drying air flow flows through air duct, exchanges heat with internal working medium of heat exchanger;Natural wind simultaneously drives second wind turbine to rotate, drives exhaust fan and air induction fan to continue to work.The present application improves overall energy utilization efficiency of system from source, significantly reduces energy consumption per unit output;Improve technical economy and market promotion feasibility.

This invention relates to a tubular ZnS / In₂O₃ sunlight-activated NO₂ gas sensing material and its preparation method, belonging to the technical fields of nanomaterial preparation, atmospheric environment detection, and gas sensors, with promising application prospects. The key feature is the use of indium nitrate pentahydrate as the indium source, with an indium oxide precursor prepared via a simple hydrothermal and calcination method. Then, using zinc acetate dihydrate as the zinc source, an In₂O₃ / ZnS composite material is prepared via a hydrothermal method. This material features spherical ZnS distributed on the inner and outer walls of the tubular In₂O₃, constructing a type II heterojunction, achieving effective separation of photogenerated electrons and holes, and improving gas-sensing performance. Under natural sunlight excitation, it achieves a high sensitivity response to NO₂ at room temperature, with a response value as high as 1088.31 for 10 ppm NO₂ gas, which is 9.2 times its response value under dark and thermally activated (60°C) conditions.

The application belongs to the technical field of solar light utilization, and discloses a solar light energy optical fiber leading-in system with fixed lenses; the system comprises a lens mounting module, which is used for fixing and mounting convex lenses on the outer vertical wall surface of a building; and a sun position determining module, which is used for determining the real-time position of the sun through an astronomical algorithm; the application can flexibly select two kinds of focus-pursuing modes according to different situations, so as to ensure that the solar light energy is effectively and quickly led into the input end of the optical fiber, the optimal degree of freedom combination set of the mirror array corresponding to the real-time position of the sun is quickly determined, the fast focus-pursuing is realized, the focal point spots reflected by the mirrors are accurately superimposed on the input end of the optical fiber, and the focal point spot intensity of the input end of the optical fiber is maximized; the fast focus-pursuing of the input end of the optical fiber is also realized, the focus-pursuing time is reduced, the current optical fiber input end position which is not fixed is adjusted, and the solar light can be accurately led into the input end of the optical fiber.

The utility model provides a kind of solar phase change heat storage device for sunlight greenhouse and the sunlight greenhouse comprising it, it is related to sunlight greenhouse heating technical field, solve the technical problem that the temperature in northern severe cold area sunlight greenhouse is low and is not conducive to crop growth.The solar phase change heat storage device for sunlight greenhouse, including phase change heat storage plate and solar light heat conversion coating;Phase change heat storage plate is set in sunlight greenhouse rear side, and towards sunlight greenhouse front side;Solar light heat conversion coating is set in the front side surface of phase change heat storage plate;Phase change heat storage plate includes base material and phase change material filled in base material;Base material is made of perlite;Solar light heat conversion coating is made of graphene coating;Phase change material is made of paraffin wax.The utility model is by collecting solar heat and shed air heat and carries out phase change heat storage, to night in temperature self-feeding effect and carries out heat release, provides heat for sunlight greenhouse air, maintains sunlight greenhouse air temperature.

The application relates to the technical field of solar cells, in particular to a front anti-reflection film of a PERC solar cell, a preparation method and the solar cell. The front anti-reflection film comprises a first silicon nitride layer, a first silicon oxynitride layer, a second silicon nitride layer and a second silicon oxynitride layer which are sequentially deposited on the front of the cell. The refractive indexes of the first silicon nitride layer, the first silicon oxynitride layer, the second silicon nitride layer and the second silicon oxynitride layer are sequentially reduced, the difference between the refractive indexes of two adjacent layers is not more than 0.22, the refractive index is 2.30-2.35, and the thicknesses of the first silicon oxynitride layer, the second silicon nitride layer and the second silicon oxynitride layer are all greater than the thickness of the first silicon nitride layer. In the application, the refractive indexes of the film layers are sequentially reduced from bottom to top, the difference between the refractive indexes of two adjacent layers is not more than 0.22, a laminated film with a refractive index gradient of different refractive indexes can be formed, light passes through different refractive index gradients from air to a silicon wafer, and therefore, solar light can be maximally absorbed.

1. Name of the product in this design: Solar lamp. 2. Purpose of this design: for outdoor lighting. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

The application relates to a short-circuit current calculation method, a test system and a computer program product of a solar cell. A reflectivity signal corresponding to a to-be-tested solar cell is acquired; relative photoelectric response information of the to-be-tested solar cell under different wavelengths is acquired; the relative photoelectric response information is obtained by applying direct current bias light to the to-be-tested solar cell to make the to-be-tested solar cell work at a preset working point, applying alternating current modulation light of multiple wavelengths to the to-be-tested solar cell, and measuring at a modulation frequency corresponding to each alternating current modulation light; relative external quantum efficiency is calculated based on the relative photoelectric response information; absolute external quantum efficiency is calculated according to the reflectivity signal and the relative external quantum efficiency; and short-circuit current of the to-be-tested solar cell is calculated according to the absolute external quantum efficiency and a standard solar light photon flux spectrum. The method effectively improves the accuracy of the short-circuit current calculation result.

The utility model discloses a solar light and heat and energy storage device, including solar heat exchange system, solar heat exchange system includes solar heat exchanger, hot -water tank, solar heat exchanger secondary side water inlet connects cold water inlet pipe, and the water outlet of solar heat exchanger secondary side is connected to the import of hot -water tank through the water outlet pipe, and the export of hot -water tank is connected total hot -water pipe, and the total hot -water pipe end connects two hot -water branch pipes in parallel, and the first hot -water branch pipe end is accessed to the part of the water inlet pipe of cold water inlet pipe near solar heat exchanger, and the second hot -water branch pipe is accessed to the deaerating water inlet pipe of deaerator, and is equipped with first water pump on the first hot -water branch pipe, and is equipped with first valve on the second hot -water branch pipe, and the deaerating water inlet pipe is equipped with second valve in the upstream of the junction point with second hot -water branch pipe. The utility model has the advantages that: the hot water after solar heating can be selectively used as the water inlet of boiler deaerator, improves the water inlet temperature of boiler deaerator, and saves energy and reduces consumption.

The utility model discloses a kind of floating solar photolysis water oxygenation hydrogen production devices, the device is provided with water storage pool and pure water tank, pure water tank is obtained by water evaporation in water storage pool, and water is supplied to photoelectrolytic cell by inlet pipe, solar cell assembly is arranged in the frame of photoelectrolytic cell, for converting solar light into electric energy, maintaining the required bias voltage of photoelectrolytic water;Its inside is provided with photoelectrochemical water decomposition component, for the energy electrolytic water hydrogen production in ultraviolet in solar spectrum and visible spectrum, photoelectrochemical water decomposition component includes anode catalyst layer, glass layer, light absorption layer and cathode catalyst layer, anode catalyst layer uses self-bias photo catalyst electrode, oxygen is generated under catalytic action and hydrogen is produced at cathode, infrared spectrum not absorbed by light anode is further converted into bias voltage by light absorption layer and maintained photolysis water hydrogen production.

Provided is a transparent solar control laminated glass for windows having excellent solar control performance, which effectively blocks sunlight in summer, effectively brings sunlight into a room in winter, and can significantly reduce heating and cooling load. The laminated glass comprises a 0.1 mm to 5 mm thick solar control interlayer of 0.1 mass% to 4.5 mass%, relative to the total solids fraction of the thermoplastic resin, of aerogels with a silica shell, the internal space of which is partitioned into a range of 5 nm to 100 nm and the mean value of the average distances of the long, intermediate, and short axes of which is 0.2 to 16.8 μm, dispersed in a transparent thermoplastic resin which transmits solar light sandwiched between two glass plates.

The application discloses a built-in heat source heating flat plate heat absorber suitable for a planar metasurface solar light condensing lens, which comprises a top vacuum glass cover plate, a heat preservation water storage bottom shell and a metal-dielectric-metal light heat conversion core; the top vacuum glass cover plate is sealed and adhered to the heat preservation water storage bottom shell to jointly form a heat preservation water storage box body, and the metal-dielectric-metal light heat conversion core is arranged in the heat preservation water storage box body; the planar metasurface solar light condensing lens comprises periodically arranged conductive metal micro-nano structures and a dielectric substrate layer, wherein the conductive metal layer material is Ag or Al, and the dielectric substrate layer is SiO2, Al2O3 or Ti3N4; the planar metasurface solar light condensing lens is arranged above the top vacuum glass cover plate, and sunlight is linearly focused in a transmission mode.

The application provides a kind of circular arc secondary mirror design method and contain circular arc secondary mirror's slot type light-gathering heat collection system, belong to solar light-gathering heat collection technical field. In order to solve the existing secondary reflection slot type light-gathering system's parabolic surface type, composite parabolic surface type and flat plate type curve structure complex, it is easy to cause light-gathering effect to be poor due to processing error;Secondary reflection mirror installation and use will cause the defocusing phenomenon caused by mirror shape error and tracking error to cause the deflection of incidence angle, affect light-gathering effect problem. The application is by installing a kind of circular arc secondary mirror, and the radius, position and width of circular arc secondary mirror are calculated, to ensure that the reflected light through the secondary mirror is maximized to irradiate on the heat collecting tube, to improve the optical efficiency while reducing the processing difficulty.

The application discloses a kind of performance testing devices of photoelectric material, including test box, solar light simulator, light adjusting unit and probe platform;Test box is dark shielding structure, built-in temperature control system;Solar light simulator, light adjusting unit and probe platform are coaxially arranged from top to bottom, form light transmission channel, light adjusting unit includes diaphragm adjusting mechanism, power adjusting mechanism and light intensity adjusting mechanism, for real-time adjusting diaphragm and light intensity on photoelectric material, ensure light uniformity and test accuracy, probe platform is realized by the synchronous operation of clamping component and probe connecting component, the rapid positioning and reliable ohmic contact of photoelectric material.The device is high in degree of automation, can accurately control test condition, improve test efficiency and reliability.

The application provides a solar photovoltaic light heat comprehensive utilization device, which comprises a photovoltaic panel and a connecting frame, a heating assembly is installed on the connecting frame, the heating assembly comprises a heat pipe and a light collector cover, a rotating assembly is installed on the light collector cover, the rotating assembly comprises a sleeve and a motor one, a temperature control assembly is installed on the sleeve, the temperature control assembly comprises a black cover and a button, a communication assembly is installed on one side of the photovoltaic panel, the communication assembly comprises an outer cylinder and an inner cylinder, a flow guide assembly is installed on the inner cylinder, the solar photovoltaic light heat comprehensive utilization device can automatically adjust the height of the snap ring, so that the air temperature at the bottom of the snap ring is greater than the temperature of the cold water, so as to heat the cold water by using the air, and the air duct at the top of the snap ring is used for heat insulation with the cavity of the inner cylinder, so that the heat is not taken away by the airflow, the heat of the environment is effectively utilized, and the comprehensive utilization efficiency of solar energy is improved, and the solar light heat comprehensive utilization device is suitable for the light heat comprehensive utilization of solar energy.