Water quality monitoring system and method based on cloud platform

A water quality monitoring system and technology for water quality monitoring, applied in measurement devices, color/spectral characteristic measurement, instruments, etc., can solve the problems of model system error, prediction model cannot guarantee data completeness, and high deployment requirements

Active Publication Date: 2021-09-10
CHINA THREE GORGES UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the pumping device requires additional power supply and the pipeline needs to be cleaned frequently, in practical application, the deployment requirements are high and the process is relatively complicated
[0004] Existing prediction models b...

Method used

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  • Water quality monitoring system and method based on cloud platform
  • Water quality monitoring system and method based on cloud platform
  • Water quality monitoring system and method based on cloud platform

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Such as figure 1As shown, the water quality monitoring system based on the cloud platform includes an immersion probe 1, a light source 2, a spectrometer 3, a host computer 4, and a camera 5 connected to the host computer via a data line. Slit 101, reflector and fiber interface. The spectrometer 3 is connected to the host computer 4 via a data cable, and the host computer 4 is connected to the cloud platform. The light source 2 adopts a pulse flash xenon light source, which is used to generate reliable and stable ultraviolet-visible light. Each monitoring station is arranged with the water quality monitoring model correction system of the present invention. The camera 5 is used to collect the surrounding environment of the monitoring station. In the embodiment, the immersion probe 1 is deployed in the river channel by means of buoys, such as image 3 shown.

[0038] When the water quality monitoring system is working, the ultraviolet-visible light generated by the ...

Embodiment 2

[0060] The structure of the water quality monitoring system of the embodiment is the same as that of the water quality monitoring system of the first embodiment. The upper computer stores water quality monitoring models and computer programs for calculating water quality indicators and the content of toxic and harmful substances.

[0061] When the water quality monitoring system is working, the ultraviolet-visible light generated by the light source is transmitted through the optical fiber, penetrates the water sample in the slit of the immersion probe, and penetrates the water sample in the slit again after being reflected by the reflector, and is output to the spectrometer through the optical fiber. Obtain the spectrum of the water sample; use the spectral data of the water sample at different sampling points to correct the model parameters of the water quality monitoring model of the host computer.

[0062] When the computer program is executed by the host computer, the fol...

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Abstract

The invention relates to a water quality monitoring system based on a cloud platform. The water quality monitoring system comprises a sampling terminal and the cloud platform; the sampling terminal comprises an immersion type probe, a light source, a spectrograph and an upper computer, and the immersion type probe comprises a slit for accommodating a water sample, a reflecting mirror and an optical fiber interface; during working, ultraviolet visible light generated by the light source passes through the water sample in the slit of the probe through an optical fiber, is reflected by the reflecting mirror and then passes through the water sample again, and is transmitted to the spectrograph through the optical fiber to obtain a water sample spectrum; and a water quality index and harmful substance spectrum prediction model is established on the upper computer. Spectral data of multiple sampling points are uploaded to a unified cloud platform through the upper computer, the data of the multiple sampling points are processed on the cloud platform according to the data migration theory, and correction of parameters of a water quality prediction model of the upper computer is achieved. According to the invention, the model is corrected by using the multi-sampling-point data on the cloud platform based on the data migration principle, and the prediction model which is more accurate than that based on single-sampling-point data is provided by using the big data advantage on the cloud platform.

Description

technical field [0001] The invention belongs to the field of ecological and environmental protection monitoring, and in particular relates to a water quality monitoring system and method based on a cloud platform. Background technique [0002] Water resources are an important basis for human survival. With the development of human activities and the development of nature, the pollution of water resources is very serious. Monitoring water quality is an important prerequisite for water pollution control. Compared with the national standard method of water quality testing, the use of spectroscopy has the advantages of saving time, effort, and low cost. It has great application value in occasions where accurate acquisition of water quality parameters is not required. [0003] Existing water quality monitoring systems using spectroscopic methods need to extract water samples into cuvettes, collect spectral data of the water samples through spectrometers, and use regression models...

Claims

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Application Information

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IPC IPC(8): G01N21/31G01N21/01
CPCG01N21/31G01N21/01
Inventor 田卫新崔文浩魏建徐超蒋廷耀
Owner CHINA THREE GORGES UNIV
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