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Water regimen monitoring method for monitoring water quality by virtue of gray level detection theory

一种水情、灰度值的技术，应用在图像检测器的方法和图像信号处理、通过光学手段进行材料分析、测量装置等方向，能够解决无法检测水质、成本高等问题，达到结构简单、提高精度、水面影像准确的效果

Inactive Publication Date: 2017-01-11
ZHONGSHUI SANLI DATA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has its advantages, but the cost is higher
[0005] Moreover, the existing water level monitoring devices can only detect the water level alone, but cannot detect the water quality, and need to use another water quality monitoring device to realize it. How to realize the simultaneous measurement of water level and water quality is a technical problem in this field

Method used

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  • Water regimen monitoring method for monitoring water quality by virtue of gray level detection theory
  • Water regimen monitoring method for monitoring water quality by virtue of gray level detection theory
  • Water regimen monitoring method for monitoring water quality by virtue of gray level detection theory

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0032] like figure 1, a water regime monitoring system, comprising: a measuring tube 1, the lower port of which is suitable for entering the water surface 2 as a whole when in use, and a camera device is arranged at the upper port, and the camera device is suitable for photographing the inside of the measuring tube 1 The water surface image 2-1; the video acquisition module, which is connected with the camera device and is suitable for converting the collected image into a digital image; the image processing module connected with the video acquisition module, which stores the first sample data , the first sample data is suitable for recording the gray values ​​of various water qualities; the first sample data is obtained by the water regime monitoring system to measure known water of different water quality one by one; The image processing module is adapted to perform grayscale processing on the digital image to obtain the grayscale value of the water surface image 2-1, and co...

Embodiment 1

[0050] On the basis of Embodiment 1, another technical solution for water level measurement is as follows:

[0051] A camera device is fixedly installed at the upper port of the measuring tube 1, and the periphery of the measuring tube 1 is provided with a float 3 suitable for making the measuring tube 1 vertically float on the water surface 2, and the measuring tube can be made to float 3 through the float 3. 1 Floating on the surface of the water, no additional fixing is required.

[0052] The water regime monitoring system also includes:

[0053] A flexible scale 4, one end is fixed on the bottom of the water, and the other end is connected to a winding device 5 suitable for winding up the flexible scale 4, and the winding device 5 is fixed on the upper part of the measuring tube 1;

[0054] The guide wheel 6 is arranged on the inner wall of the measuring tube 1, and an upper guide rod 7-1 and a lower guide rod 7-2 are respectively arranged on the inner wall of the measuri...

Embodiment 3

[0059] See figure 1 , the working method of a kind of water condition monitoring system on the basis of embodiment one, comprises the following steps:

[0060] (1) A measuring tube 1 is fixed on the water surface 2, and its lower port is suitable for entering the water surface 2, and a camera device is arranged at the upper port, and the camera device shoots a water surface image 2-1 in the measuring tube 1;

[0061] (2) the water surface image 2-1 is converted into a digital image by a video acquisition module;

[0062] (3) an image processing module connected to the video acquisition module, the image processing module stores first and second sample data, and the first sample data is suitable for recording gray values ​​of various water qualities, and the first sample data is suitable for recording gray values ​​of various water qualities, and the second sample data is suitable for recording The two sample data are suitable for recording each area pixel value of the water s...

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Abstract

The invention relates to a water regimen monitoring method for monitoring the water quality by virtue of a gray level detection theory. A water regimen monitoring system adopted in the water regimen monitoring method comprises a measurement pipe, a video collection system and an image processing module, wherein a lower port of the measurement pipe is used for penetrating into the water surface, a photographing device is arranged right above an upper port of the measurement pipe and is used for photographing water surface images in the measurement pipe; the video collection module is connected with the camera and is used for converting collected images to digital images; the image processing module is connected with the video collection module and stores first sample data, and gray values of various water qualities are recorded in the first sample data; and the image processing module is used for carrying out gray level processing on the digital images so as to obtain the gray level values of the water surface images and making comparison on the gray values and the first sample data so as to obtain the water quality conditions. According to the water regimen monitoring method, the corresponding conditions of the water quality can be obtained by the virtue of the water surface images. The water regimen monitoring system is simple, can be used for carrying out convenient and fast water quality measurement or prejudgment in the open air or without water quality test conditions, and complex steps are omitted.

Description

technical field [0001] The invention relates to the field of electronic measurement, in particular to a water regime monitoring system. Background technique [0002] Among the water level measurement methods in the prior art, the float type water level gauge is most commonly used in water regime monitoring. Hang the float vertically on a pulley with a line, and when the float is placed on the water surface, it will move up and down as the water level rises and falls. The current water level can be obtained through the distance between the float in the pipe and the designated point, and through certain calculations. Float water level gauge requires special logging. Its disadvantage is that it is more complicated to install. At the same time, if the water flow contains heavy sediment, after a period of operation, the logging inlet pipe will produce siltation, which is easy to form a false water level. [0003] The pressure water level gauge is based on the hydrostatic pressu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/25G01N21/27G01N21/01G01F23/42G01F23/292
CPCG01F23/00G01F23/292G01F23/30G01F23/42G01N21/01G01N21/17G01N21/25G01N21/27G01N21/84G01N2021/1765G01N2021/177
Inventor 陈哲王志坚王慧斌周卓赟
Owner ZHONGSHUI SANLI DATA TECH CO LTD
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