35results about How to "Reduce solar radiation" patented technology

An array of solar powered photovoltaic modules is optimally oriented and operated to provide more electrical energy for uses such as powering an electrolyzer system for hydrogen production. The array is positioned with its light receiving surface at an optimal angle, preferably a continually changing angle determined by two-axis solar tracking, when continually measured solar irradiance indicates suitable sunlight, and at a horizontal position when measured solar irradiance indicates excessive atmospheric cloudiness.

A boiler for a solar receiver includes a first boiler panel having a plurality of tubes fluidly connecting an inlet header of the first boiler panel to an outlet header of the first boiler panel. The tubes of the first boiler panel form a first solar receiver surface. A second boiler panel has a plurality of tubes fluidly connecting an inlet header of the second boiler panel to an outlet header of the second boiler panel. The tubes of the second boiler panel form a second solar receiver surface. The first and second boiler panels are adjacent to one another with a portion of the first boiler panel and an end of the first solar receiver surface overlapping an end of the second boiler panel to reduce solar radiation passing between the first and second solar receiver surfaces.

Light control glasses are used as window glasses of a vehicle. When the vehicle is parked, voltage is applied to the light control glass, which directly receives solar radiation from the sun, so that a light transmittancy of the light control glass is reduced to reduce the amount of solar radiation entered a passenger compartment of the vehicle.

The invention discloses a photovoltaic solar protection device with a fresh air ventilation function. The photovoltaic solar protection device with the fresh air ventilation function comprises a photovoltaic sun shield, a fresh air ventilation device and control switches, wherein the photovoltaic sun shield comprises a photovoltaic cell panel and a heat-insulated waterproof case; the fresh air ventilation device is provided with an upper air flue and a lower air flue, wherein a pyroelectricity module formed by a pyroelectricity chip and heat pipe radiators at the upper end face and the lower end face is arranged in the middle of a clapboard separating the upper air flue and the lower air flue, and the upper air flue and the lower air flue are internally provided with blowers; the photovoltaic cell panel is connected with the pyroelectricity chip and the control switches by leads, and the switch of working conditions of the winter and the summer is achieved through the switch of the control switches. According to the photovoltaic solar protection device disclosed by the invention, the photovoltaic in-situ power generation and utilization are achieved while the integration of a fresh air unit function and a sunshading function, the recycle of waste heat and cool air all year round is achieved, the advantages of photoelectric and photo-thermal comprehensive utilization, high system efficiency and compact device structure are provided, and the popularization and utilization values are favorable.

An immersion net type ecological slope protection structure for mine restoration comprises a rubble slope layer, the surface of the rubble slope layer is provided with strip-shaped grooves, and firstdrilled holes are formed in the strip-shaped grooves; main anchor rods are inserted into the first drilled holes; the surface of the rubble slope layer is further provided with second drilled holes, and auxiliary anchor rods are inserted into the second drilled holes; the ends, away from the second drilled holes and the first drilled holes, of the auxiliary anchor rods and the main anchor rods areprovided with an iron gauze, and the iron gauze is connected with the auxiliary anchor rods and the main anchor rods in a matched mode; and the position between the iron gauze and the rubble slope layer as well as the top surface of the iron gauze are covered with a base stock layer, and the surface of the base stock layer is provided with a planting layer. According to the immersion net type ecological slope protection structure, overall integrated planning is performed systematically and comprehensively based on the restoration ecology theory, the slope is subjected to processing and reinforcing, the whole stability of the slope is improved, meanwhile, the base stock layer is arranged, the surface of the base stock layer is planted with green plants, thus, the mine landscape is effectively perfected, and the ecological environment is built.

The invention relates to a glass substrate including a stack of coating layers having control properties, in which stack comprises at least one niobium metal layer located between a layer of a dielectric material selected from Si₃N₄ or TiOx and a layer of a protective metal material selected from TIN or Ni—Cr, conferring solar control and heat resistance properties on the glass substrate.

The invention discloses a self-cleaning photo-thermal photovoltaic integrated heat-insulation ventilation light-transmitting glass roof. The self-cleaning photo-thermal photovoltaic integrated heat-insulation ventilation light-transmitting glass roof comprises a photovoltaic layer, a photo-thermal layer, a heat-insulation layer and louver vents. The photovoltaic layer absorbs and weakens solar radiation heat entering a room by using a solar thin film battery, the photo-thermal layer further absorbs and weakens the solar radiation heat by using a plurality of groups of heat pipes, the heat-insulation layer uses a thin film made of heat-insulation and light-transmission materials to block the radiation heat entering the room outside an atrium, and the louver vents can adjust the ventilationdirection and area according to the outdoor wind speed and wind direction, so that air flow is accelerated and the heat is brought out of the room. According to the elf-cleaning photo-thermal photovoltaic integrated heat-insulation ventilation light-transmitting glass roof, the photo-thermal photovoltaic integrated glass roof is adopted, so that the solar radiation heat entering the room is reduced, and the energy consumption of an air conditioning system in a building is reduced; and a natural light source is used for lighting, the energy consumption of building lighting is reduced, and the self-cleaning photo-thermal photovoltaic integrated heat-insulation ventilation light-transmitting glass roof conforms to the concept of energy conservation and environmental protection of modern greenbuildings.

The invention discloses a novel solar heat collection pipe with a built-in heat absorber. The novel solar heat collection pipe comprises the heat absorber, a black paint coating, heat transferring media, an inner-layer glass sleeve, an outer-layer glass sleeve, a selective penetration layer and the like. The black paint coating is coated on an outer side surface of the heat absorber; the heat absorber is arranged in the heat transferring media and the heat transferring media are arranged on inner and outer sides of the heat absorber; a narrow air layer is formed between the inner-layer glass sleeve and the outer-layer glass sleeve or a gap between the inner-layer glass sleeve and the outer-layer glass sleeve is vacuumized. The selective penetration layer is designed on the outer surface of the inner-layer glass sleeve and has the characteristics of high transmissivity and low emissivity; the radiation heat loss between the inner-layer glass sleeve and the outer-layer glass sleeve can be effectively reduced. The solar heat collection pipe provided by the invention has the characteristics of high heat collection efficiency, small heat loss, convenience for modularized installation and the like, can applied to devices including a non-focusing type heat collector or a linear focusing type heat collector and the like, and provides technical supports for further large-scale popularization and application of a solar heat collector.

The invention discloses a movable curtain capable of achieving external sunshade, which relates to the field of external sunshade. Rollers on a lead rail are driven to roll when a stay cord is pulled, and meanwhile, curtain cloth is driven to rotate to the outdoor side from the indoor side after passing through notches in a window frame so as to achieve external sunshade. The movable curtain mainly comprises the lead rail fixed on the window frame, the rollers, stay cords, clips, guide wheels, and the curtain cloth, wherein the stay cords are connected with connecting rods of the rollers; the clips are connected to the connecting rods of the rollers; the notches are formed in the left and right half sides of the upper end of the window frame, respectively; the rollers are embedded in the lead rail and can roll on the lead rail. The movable curtain can be applied to external sunshade, also can be used as a common indoor curtain, can effectively alleviate solar radiation in summer, is an external sunshade curtain which is simple to fabricate, convenient to operate and use, economic and practical, and has a good energy-saving effect.

The invention provides a combined three-dimensional planting and farming method for an ecological tea garden, which comprises the steps: S1, selecting a garden site; S2, establishing a tea garden; S3,interplanting kiwifruit; S4, interplanting clover; and S5, free-ranging native chicken. Tea leaves produced by the ecological planting-farming three-dimensional tea garden are better in freshness, lower in bitter taste and better in quality; and the total annual input cost per mu of the conventional standardized tea garden is low.

The invention discloses an evaporative cooling and mechanical ventilation coupling integration system. The integration system comprises a water spraying system and a collecting/supplying air system. The water spraying system comprises a reservoir, a purification device, a circulating water pump, a plurality of nozzles, and a water tank, wherein the reservoir is used for storing water when a watercurtain is stopped to use, the purification device is used for filtering the water in the reservoir, the circulating water pump is used for conveying the filtered water to the top of a glass curtain wall through a pipe network, the nozzles are used for atomizing water and spraying out the water from the top of the glass curtain wall to form a water curtain, the water tank is used for collecting the water sprayed out of the atomizing nozzles, the water tank is connected with the reservoir, and water circulation is realized. The collecting/supplying air system comprises a fan, a collecting/supplying air hole plate, and an air pipe, wherein the fan is used for conveying the air between the water curtain and the glass curtain wall into the room, the collecting/supplying air hole plate is usedfor uniformly distributing air flow of the air supply or the air collection, and the air pipe is used for introducing the air between the water curtain and the glass curtain wall. According to the integration system, the landscape decoration can be improved, and the direct shooting of the sun on the glass curtain wall can be reduced, so that the temperature of the surface of the curtain wall is reduced, and the refrigeration energy consumption can be reduced.

The invention discloses a tall and large space energy consumption optimization method based on atrium skylight materials. The method comprises the following steps: related information of the researchbuilding is collected and determined; an energy consumption analysis model and a CFD model are established according to the research building information; secondly, the temperature of each surface ofthe atrium is obtained through EnergyPlus simulation and serves as a boundary condition to be input into the CFD model; the thermal stratification characteristics of the atrium area are further obtained through CFD simulation, then the thermal stratification characteristics are input into an energy consumption analysis model to obtain high and large space energy consumption data, finally N (N is larger than or equal to 1) atrium skylight materials are set, multiple sets of energy consumption data can be obtained by repeating the process, and the optimal atrium skylight material can be obtainedthrough contrastive analysis. The method can accurately calculate the energy consumption of the tall and large space, reduce errors caused by the temperature stratification phenomenon in the atrium area, optimize the early-stage building design of the tall and large space and reduce the energy consumption of the air conditioner.

A spanning type photovoltaic power generation system disclosed by the invention comprises at least two hanging groups, wherein the adjacent hanging groups are arranged in parallel; a plurality of photovoltaic panels which are arranged between the adjacent hanging groups, wherein each hanging group comprises two bases, two frame bodies, a cable and a plurality of connecting pieces, the two ends of the cable are connected to the frame bodies respectively, and the connecting pieces are arranged on the cable at intervals along the axis direction of the cable; the photovoltaic panels are connected to the cable through the connecting pieces, and the heights of the frame bodies located at the same end of the cable are set from low to high, so that the photovoltaic panels are inclined. The power generation system realizes the utilization of solar energy in the liquid environments, such as rivers, lakes, seas, reservoirs, etc., enlarges the application range of solar power generation, greatly improves the total amount of solar power generation, prevents the photovoltaic panels from being arranged in a crowd concentration area, reduces the light pollution caused by light reflection of the photovoltaic panels, and solves the problem that the solar energy in the liquid environments, such as rivers, lakes, seas, reservoirs, etc., is not effectively utilized.

A method of protecting electronic display touch screens, keyboards and membrane switches on outdoor installation such as fuel dispensers and ATMs by covering them with a protective film piece cut to size and affixed thereto.

The invention discloses a new energy environmental protection and energy saving workshop structure. The new energy environmental protection and energy saving workshop structure comprises an environmental protection and energy saving workshop body; the environmental protection and energy saving workshop body comprises a workshop side wall, a workshop front wall and a workshop ceiling; two vacuum glasses are mounted above the workshop side wall in an embedded manner; two air filtering circulation devices are mounted on the workshop front wall; the vacuum glasses are mounted above the air filtering circulation devices; the vacuum glasses are mounted on the workshop front wall; the workshop ceiling is mounted above the workshop side wall and the workshop front wall; toughened laminated glass is mounted on the workshop ceiling; a solar cell panel a, a solar cell panel b and a solar cell panel c are mounted in the middle of the toughened laminated glass; and the solar cell panel a, the solarcell panel b and the solar cell panel c are mounted in parallel. The new energy environmental protection and energy saving workshop structure has the technical effects that the structure is simple, the ventilation effect is good, workshop pollutants can be filtered by using an air filtering device, and environmental pollution is uneasily caused.

The invention discloses a building glass thermal-insulation antifouling paint and a preparation method thereof. The paint is composed of the following components in parts by mass: 7-15 parts of methyl methacrylate, 3-5 parts of styrene, 6-10 parts of tritolyl phosphate, 1-5 parts of cellulose acetate butyrate, 10-20 parts of butyl acetate, 3-8 parts of xylene, 1-6 parts of bipentene, 1-4 parts of linoleic acid, 1-4 parts of corn starch sulfosuccinate, 2-6 parts of phthalic anhydride, 0.08-0.46 part of methyl hydroxypropyl cellulose, 4-10 parts of chlorinated paraffin wax, 2-5 parts of benzoperoxide, 1-7 parts of propylene glycol monomethyl ether, 0-1 part of antioxidant, 3-6 parts of light stabilizer, 4-8 parts of surfactant and 1-5 parts of dispersing agent. The shading coefficient of the coated glass is less than 0.35, the visible light transmittance is greater than 85%, and the hardness is 2-3H.