双抛物面均匀反射聚焦式光伏发电供热装置

A Photovoltaic Generation Heating Device Based on Double Parabolic Reflector Uniform-Reflection and Focusing Technology

为进一步提高光伏发电系统的整机效率,研制了一套基于双抛物面均匀反射聚焦方式的新型光伏发电供热装置.分析了装置的整体构件组成、双抛物面聚光原理及其结构参数关系,并给出两轴伺服跟踪实现原理框图.基于滤红外线和水冷法相结合的光伏电板冷却技术,及两轴伺服结构和混合追日跟踪策略等技术原理进行设计.通过对原理实物样机的现场实测,验证了装置设计的正确有效性.

To improve the efficiency of solar photovoltaic generation system, a new type concentrating solar photo- voltaic generation heating device by using two parabolic reflectors and uniform light reflection technique is presented. The working principle and design method Of the major components, such as the parabolic reflector concentrating-light subsystem, the combination type cooling subsystem based IR filter and water-cooling technology, the two-axes servo structure and the hybrid solar-tracking strategy, are elaborated in detail. According to the prototype field test, it has proved the validity and rationality of the proposed photovoltaic generation system.