郭丽敏, 卫明, 杨光辉, 代明崇, 王智勇. 高倍聚光光伏可拆卸型二次反射镜设计与研究[J]. 红外与激光工程, 2014, 43(10): 3338-3341.
引用本文: 郭丽敏, 卫明, 杨光辉, 代明崇, 王智勇. 高倍聚光光伏可拆卸型二次反射镜设计与研究[J]. 红外与激光工程, 2014, 43(10): 3338-3341.
Guo Limin, Wei Ming, Yang Guanghui, Dai Mingchong, Wang Zhiyong. Design and research of removable secondary mirror in high concentrated photovoltaic technology[J]. Infrared and Laser Engineering, 2014, 43(10): 3338-3341.
Citation: Guo Limin, Wei Ming, Yang Guanghui, Dai Mingchong, Wang Zhiyong. Design and research of removable secondary mirror in high concentrated photovoltaic technology[J]. Infrared and Laser Engineering, 2014, 43(10): 3338-3341.

高倍聚光光伏可拆卸型二次反射镜设计与研究

Design and research of removable secondary mirror in high concentrated photovoltaic technology

  • 摘要: 高倍聚光光伏技术是将垂直入射于菲涅耳透镜上的太阳光聚焦到电池片上,通过光电转换产生电能,但实际应用时,由于跟踪器跟踪精度低、支架受风会抖动等因素存在,无法保证太阳光始终垂直入射于菲涅耳透镜。针对该问题,在菲涅耳透镜和太阳能电池之间增加一个可拆卸的倒置的去掉顶部的棱锥形二次反射镜来提高聚光光伏的接收角,给出了具体的设计实例,并应用Solidworks软件和Tracepro软件对设计实例进行了计算机光学模拟。结果证实该二次反射镜能很好地提高聚光光伏的接收角,并改善菲涅耳透镜聚焦光斑的能量均匀性。

     

    Abstract: The direct fraction of sun irradiation is used to focus on Fresnel lens in High Concentrated Photovoltaic technology, electric energy is produced through photoelectric inversion. However, because of many factors in practice like the low tracking accuracy of tracker, structure vibration by winds and atmospheric scattering, the direct normal irradiation to the Fresnel lens can not be guaranteed. To solve this problem, a removable secondary mirror whose shape was a reverse cone with no top was added between the Fresnel lens and solar cells to increase the acceptance angle of the solar module. A design example was given, and analyzed by optical simulation with the software of Solidworks and Tracepro. The conclusion indicates the removable secondary mirror can increase the acceptance angle and improve the irradiance uniformity of the focus spot.

     

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