公开(公告)号：US3805072A

公开(公告)日：1974-04-16

申请号：US14974271

申请日：1971-06-03

申请人： SAINT GOBAIN

发明人： GOERENS P ,  PAPE H

IPC分类号： C03B18/02 ,  C03B18/10 ,  G01D5/34 ,  G01T1/16

CPC分类号： G01D5/341 ,  C03B18/02 ,  C03B18/10

摘要： Method and apparatus for the accurate determination optically, of the location at one or more selected positions, of the edge of an incipient ribbon of glass being produced in a metal flotation furnace. A scanning periscopic telescope responsive to infrared rays has its objective end within the furnace adjacent to and above the edge of the ribbon at the selected location. The telescope is mounted for horizontal axial translation in a direction generally transversely of the edge of the ribbon. In normal position the objective is directly over the edge of the ribbon at a location critical to control of the furnace. When for any reason the edge of the ribbon shifts in a direction generally transverse to its direction of motion on the molten metal, the energization of two photoelectric cells incorporated in the telescope, is correspondingly varied. A follow-up motor mechanically connected to axially translate the telescope is thereby correspondingly and uniquely energized to restore the objective to its position directly over the edge of the ribbon. The translation thus effected is repeated at a remote control point or station to thus indicate the exact position of the edge of the ribbon at the critical location, thus enabling precise control of the furance. A number of the instruments may be located at spaced intervals along each edge of the ribbon.

摘要翻译： 用于在金属浮选炉中产生的初始玻璃带边缘的一个或多个所选位置处的光学位置的精确测定的方法和装置。 响应于红外线的扫描偏光望远镜的目标端在与所选位置的色带边缘相邻并位于炉内的炉内。 望远镜安装成沿着大致横向于带的边缘的方向进行水平轴向平移。 在正常位置，物镜直接位于钢带的边缘，处于对炉子进行控制的关键位置。 由于任何原因，由于任何原因，色带的边缘沿着大致横向于其在熔融金属上的运动方向的方向移动，所以并入望远镜中的两个光电池的通电相应地变化。 机械地连接以轴向平移望远镜的后续马达因此相应地且唯一地被激励，以将物镜恢复到其位置，直接位于带的边缘上。 在遥控点或站处重复如此实现的平移，从而指示在关键位置处的带的边缘的精确位置，从而能够精确地控制耐力。 许多仪器可以沿着带的每个边缘以间隔的间隔设置。