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            PC laser reflection board application scope is more and more
            发布日期:2014-05-03 21:29    点击:次日

            PC laser reflection board construction main body for the future to contribute! Shanghai world expo urban piranesian China domestic initiative "active" light system acceptance and through expert evaluation, the method and "sunflower" like work, by the installation on the roof of heliostat tracking the sun, collecting sunlight through the mirror in a dark room, the light.

             

            Urban piranesian China building use is a main workshop of power plant, building towards SBW 31 °, depth is larger, only the north gate daylighting, natural lighting conditions. City piranesian China chief designer, the department of architecture and urban planning in tongji university, main workshop with the help of their central atrium at the top of the structural reform, set up is a roof light, use the heliostat tracking the sun's rays Angle positioning, sunlight reflected into precise vertical light, and then through a set of special design of conical reflector (referred to as the "broken light") will be perpendicular to the light of transmission, parts of diffuse light reflection for level, thereby introducing natural light deep ecological atrium. Greatly reduces the effective use of natural light in the use of indoor artificial lighting.

            Measurement data show that in the light guide system, with the help of the atrium ground on average more than 500 lux (common indoor fluorescent lamp is 100 lux), and close the light system, only more than 60 lux.

            According to introducing, the expo axis sun valley belongs to passive light system, and the "ecological optical valley" of heliostat initiative to track the sun Angle, capture the light, so is the active light system.

            Active light system by tongji university was first introduced from abroad advanced concepts, with the Shanghai institute of building science, Shanghai science and technology development co., LTD. With the development, design, manufacture. Yesterday, the expert thinks, it's really using the natural light, do not take energy consumption for lighting effect of the low carbon energy saving products, reached the green lighting, ecological lighting, natural lighting, the harmonious unification of healthy lighting, shows the world expo of high-tech and environmental protection concept, also provides solar thermal systems collect sunlight focusing lens PC sheets and track drive two key technology, the emerging solar thermal provides technical reserves.

            Active light: chasing the sun

            5 plane mirror

            Mirror size: 1.5 * 1.5 m, with 25 square lens patchwork

            Principle: receive heliostats to collect sunlight, and its reflection into the skylight

            Location city piranesian China 29 meters high

            Working conditions for sunny and cloudy weather

            Heliostat 10, in 2 rows

            Mirror size: 2.2 * 2.2 m, 484 piece of glass mosaics

            Role: to track the movement of the sun, collecting sunlight

            Principle: heliostat in the working process of the conversion of azimuth first, then adjust the pitching Angle according to the corresponding lighting direction, finally reach the target location

            The light cracker

            Principle: by means of the combination of lenses and diffuse plate the skylight into the glare of light scattering into a uniform and comfortable lighting, weaken the intensity of illumination of the atrium again, remain above 500 lux, then through the ecological green wall of the atrium weaken heat, reduce indoor heat load PC laser reflection board construction main body for the future

            skylight

            Principle: the mirror reflected light introduce indoor, the material for PC bulletproof glass

            Diffuse plate

            Principle: diffuse plate will be light scattering, form a relatively uniform illumination light, the light transmittance is greater than 89% of the particle board, high penetration is a PC side handle into uneven granule, achieve the result of scattering light, outdoor sun about 80000 lux, after diffuse plate weakened into a 600-800 lux, illumination of heat is greatly reduced

            The light cracker

            Principle: by means of the combination of lenses and diffuse plate the skylight into the glare of light scattering into a uniform and comfortable lighting, weaken the intensity of illumination of the atrium again, remain above 500 lux, then through the ecological green wall of the atrium weaken heat, reduce indoor heat load PC laser reflection board construction main body for the future

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