一种高精度太阳跟踪控制装置研究

提高太阳能跟踪系统的跟踪精度及其稳定性是提高太阳能利用效率及降低成本的重要途径.提出了一种以程控和光控相结合的混合控制高精度太阳能跟踪系统.通过对光电传感器进行改进,使其壁有一定的张角同时增加合适宽度的遮光板用使输出模拟量放大,以提高其稳定性和入射光偏差灵敏度,其中入射光最大偏差为0.105 mm.实验结果表明:该跟踪装置通过太阳光线垂直照射在接收器,从而有效的提高系统的跟踪精度且能够实现全天候自动跟踪.通过误差分析法将实测数据与理论数据进行计算得出跟踪绝对误差在±0.1°以内,比现有的跟踪控制装置更为精确,表明该跟踪控制装置满足稳定可靠、精度高、抗干扰能力强.

The Research On High Accuracy Solar Tracking Control Device

Raising the tracking accuracy and stability of solar tracking system. It is one of the methods to improve the efficiency of solar energy utilization and reduce the cost. Therefore,the hybrid control solar tracking system with programmable control and light control is proposed. Making the wall has a certain angle and increasing the shading pate width to improve the stability and the deviation of light sensitivity by developing the photoelectric sense. The maximum deviation of the incident light is 0.105 mm.The experimental results show that this tracking device could improve the tracking precision and realize the solar energy absorption and utilization rate and automatic tracking throughout the day by making the solar lay beam down on the receiver vertically. Also,through the error analysis method,the absolute tracking error between measured data and theoretical data is controlled within ±0.1 degrees,it is more accurate than the existing tracking control device,which verified the device meets the requirements of stabil-ity,reliability,high precision,strong anti-interference ability and so on.