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    • 1. 发明授权
    • Underwater inspection system for nuclear power facilities
    • 核电设施水下检验系统
    • US5912934A
    • 1999-06-15
    • US892625
    • 1997-07-14
    • Robert S. AcksArthur E. VigilJohn L. Buchanan
    • Robert S. AcksArthur E. VigilJohn L. Buchanan
    • G21C17/08G21C19/02G21C17/00
    • G21C19/02G21C17/08G21Y2002/204G21Y2004/401
    • A nuclear fuel identification system for use in nuclear power plants has an imaging system having a video camera and an array of illuminators surrounding the video camera and positioned to shine onto a nuclear fuel cell. The illuminators are sequentially activated to provide a series of images each having a different shadow pattern. These images are then digitized and stored until a complete set of the images are available. At that time, the images are superimposed and optimized for improved contrast. By viewing the distinct shadow patterns on the nuclear fuel cell, the identifying markings are readily visible. In addition to the shadow imaging system, a variety of laser devices are used to accomplish similar image generating functions. Such laser devices include a laser scanner, a distance laser device, an interferometer, a holographic interferometer, and a bi-refringent crystal prism.
    • 用于核电站的核燃料识别系统具有成像系统,该成像系统具有摄像机和围绕摄像机的照明器阵列并定位成照射到核燃料电池上。 依次启动照明器以提供一系列具有不同阴影图案的图像。 然后将这些图像数字化并存储,直到完整的图像集合可用。 那时,图像被叠加和优化,以提高对比度。 通过观察核燃料电池上的不同阴影图案,识别标记是容易可见的。 除了阴影成像系统之外,还使用各种激光装置来实现类似的图像生成功能。 这种激光装置包括激光扫描器,距离激光装置,干涉仪,全息干涉仪和双重反射晶体棱镜。