光譜共焦傳感器

光譜共焦傳感器用于電容生產中液位檢測-confocal

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發布日期:2017-01-16 瀏覽: 次

在電容生產過程中,電容原件需要浸泡在特定液體內。為了確保浸泡過程遵守規格要求,精確控制液位高度至關重要。

傳統測量采用激光三角反射式傳感器存在許多固有問題,例如復雜的系統安裝和調試,以及由此帶來的費用升高。液面的波動還會帶來信號的中斷。

光譜共焦式傳感器可以解決上述問題。通過光譜共焦原理,溶劑表面的反射光被直接測量。液面的蒸汽產生的干擾也可以通過特殊處理得以解決。



During the production process capacitor elements must be dipped in a defined manner into a bath of liquid. To ensure constantly high quality it is crucial
that the capacitor elements are dipped exactly according to the specification. Therefore, it is of the utmost importance that the liquid level is maintained
at a very accurately defined height.

For these measurements conventional laser triangulation sensors required a complicated system setup and their complex adjustment incurred costs. The wave motion of the liquid that occurred interrupted the measurement signal which could not then be used for further evaluation.

To compensate these shortcomings, a confocal sensor of the Series optoNCDT2400 was employed. By means of the confocal principle this system measures to the directly reflecting surface of the solvent. The explosive vapors are kept away from the sensor since it is inserted into a conduit with a sealing ring and an O-ring seals the optical system. In addition the conduit is constantly heated externally to prevent condensation forming on the optical system.


This measurement arrangement ensures that due to an exactly defined dipping depth the individual components conform to the defined quality criteria, such as for example the shelf-life or safety under short-circuit conditions。

 

 

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