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    • 40. 发明申请
    • REFLECTING PHOTONIC CONCENTRATOR
    • 反射光子浓缩器
    • WO2006121686A3
    • 2008-08-21
    • PCT/US2006016682
    • 2006-05-02
    • STRAKA CHRISTOPHER W
    • STRAKA CHRISTOPHER W
    • F24S23/71F24S23/79F24S50/20
    • F24J2/1047F24J2/14F24J2002/1085G02B19/0019G02B19/0033G02B19/0042Y02E10/45
    • A linearly reflecting trough concentrator that receives spectral energy, preferably visible and near-infrared solar energy spectra, and linearly reflects that energy onto a smaller area on one side of the device, thereby concentrating the energy. The linearly reflecting trough concentrator has the geometry of a single slope-relief interval in a Fresnel lens, and in preferred embodiment comprises an array of heliostatic facets connected continuously to form the base of the trough, a non-imaging focal point where a photonic receiver is located, and a relief surface to connect the heliostatic array to the receiver location. When spectral energy enters the trough at an angle normal to the array's horizontal reference, the concentrator linearly reflects energy to one side of the device where an energy receiver is mounted. The concentrator comprises an array of heliostats oriented according to the negative profile of two interleaved linear Fresnel lens, where the slope of one is the relief of the other. The concentrator reflects energy above and to each side of the device. Optionally using a reflecting projector on one side of the device, energy is then doubly concentrated to the other side. The device offers higher concentration ratios with an equivalent trough depth than prior art reflective trough concentrators. The device requires less depth and offers a lower-profile than prior art reflecting concentrators with the same degree of concentration.
    • 接收光谱能量,优选可见光和近红外太阳能光谱的线性反射槽集中器,并将该能量线性地反映到装置一侧的较小区域上,从而集中能量。 线性反射槽集中器在菲涅尔透镜中具有单个斜率缓冲间隔的几何形状,并且在优选实施例中包括连续连接以形成槽底部的一组不间断的小面,非成像焦点,其中光子接收器 和一个浮雕表面,用于将日光管阵列连接到接收器位置。 当光谱能量以与阵列的水平参考线垂直的角度进入波谷时,集中器将能量线性地反射到安装能量接收器的装置的一侧。 集中器包括根据两个交错的线性菲涅耳透镜的负轮廓取向的定日镜阵列,其中一个的斜率是另一个的斜面。 集中器反射设备上方和每侧的能量。 可选地,在设备的一侧使用反射投影仪,然后将能量双重浓缩到另一侧。 该装置具有比现有技术的反射槽浓缩器更高的浓度比,具有相当的槽深度。 该装置需要较少的深度,并且具有比现有技术更低级别的反射浓缩器,具有相同的浓度。