| 摘要 |
<p>A heliostat calibration device comprises a support frame (1), an image acquisition unit (2) and an image processing unit. The image acquisition unit (2) picks up image information from a heliostat (3) surface directly, and transmits the image information to the image processing unit. The image processing unit obtains the spatial location information of the heliostat (3) surface in accordance with the image information and the spatial location information of the image acquisition unit (2) and of the support frame (1). The image processing unit determines the actual rotation center of the heliostat surface by obtaining several sets of spatial location information of the heliostat surface, and completes calibration of the heliostat (3). The heliostat calibration device acquires image information from the heliostat (3) surface with a high degree of accuracy by means of direct image acquisition by the image acquisition unit. The calibration device is equipped with several movement modes in order to calibrate a great number of heliostats (3) with high efficiency. A method for obtaining the actual rotation center of the heliostat (3) utilizes the heliostat calibration device.</p> |
