Method and device used for detecting water body transparency
A technology of water body transparency and detection device, which is applied in measurement devices, color/spectral characteristic measurement, material analysis by optical means, etc. Cost, avoid error, high accuracy effect
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Embodiment 1
[0047] Such as figure 1 with figure 2 As shown, the water body transparency detection device provided by the present invention includes: a sealed cabin 1 for wrapping and protecting each module of the water body transparency detection device, a data acquisition module 2 for converting the detected optical signal into a digital signal, and for converting the digital signal into a digital signal. Signal calculation is the data analysis module (not shown in the figure) of water body transparency, is used to control the internal power supply of water body transparency detection device and the control module (not shown in the figure) of the collection and analysis of data and for water body transparency detection device power supply power supply (not shown in the figure). In this embodiment, the data acquisition module 2 includes a light source 21, an electrically connected light intensity receiver 22 and an A / D converter (not shown in the figure), and the light source and the li...
Embodiment 2
[0061] In this embodiment, the water transparency detection device provided by the present invention is used to detect the water transparency of two detection points 1 and 2 of the surface water of a certain lake in Hunan Province, and the average value is measured once or more, and five times are measured in this embodiment. Take the average value (Note: When the transparency of the water body is 1m, when the light penetrates the 1m water body, the light is completely absorbed).
[0062] Specifically, the distance (L a ) with light source and receiver at position b(L b ) when the distance difference l 1 is 0.1m, the distance when the light source and receiver are at position a (L a ) from the light source and receiver at position c (L c ) difference l 2 is 0.2m; when the light source and receiver are located at position a, the received optical power P 1 The photoelectric conversion current I 1 To characterize, when the light source and receiver are located at position b...
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