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Water regimen monitoring system

A monitoring system and water regime technology, which are applied in measurement devices, liquid/fluid solid measurement, color/spectral property measurement, etc., can solve problems such as inability to detect water quality, and achieve the effects of simple structure, improved accuracy, and accurate water surface images.

Active Publication Date: 2013-06-19
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[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 system
  • Water regimen monitoring system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as 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...

Embodiment 2

[0049] On the basis of Embodiment 1, another technical solution for water level measurement is as follows:

[0050] 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.

[0051] The water regime monitoring system also includes:

[0052] 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;

[0053] 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

[0058] See figure 1 , the working method of a kind of water condition monitoring system on the basis of embodiment one, comprises the following steps:

[0059] (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 installed at the upper port, and the camera device captures the water surface image 2-1 in the measuring tube 1;

[0060] (2) The water surface image 2-1 is converted into a digital image by a video acquisition module;

[0061] (3) An image processing module connected to the video acquisition module, the image processing module stores first and second sample data, the first sample data is suitable for recording gray values ​​of various water qualities, and the second The second sample data is suitable for recording each area pixel value of the water surface image 2-1 and the corresponding height of the camera device from the water surface (that is, the corresponding relationshi...

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Abstract

The invention relates to a water regimen monitoring system which comprises a measuring pipe, a video collecting module and an image processing module, wherein a lower port of the measuring pipe enters a water surface; a camera is arranged right above an upper port of the measuring pipe and is used for shooting water surface images in the measuring pipe; the video collecting 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 collecting module and stores first sample data; gray values of various water qualities are recorded in the first sample data; the image processing module is used for performing gray processing on the digital images so as to obtain the gray values of the water surface images; and the gray values are compared with the first sample data to obtain water quality conditions. According to the water regimen monitoring system, the corresponding conditions of the water quality can be obtained by 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 conveniently in the open air or without water quality test conditions, and does not need complex steps.

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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IPC IPC(8): G01N21/17G01F23/42
CPCG01F23/00G01F23/292G01F23/30G01F23/42G01N21/01G01N21/17G01N21/25G01N21/27G01N21/84G01N2021/1765G01N2021/177
Inventor 张学武周卓贇孙浩张卓李敏范新南
Owner HOHAI UNIV
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