Substance content detection method, system and device based oncolordata analysis

A material content and data analysis technology, applied in the direction of measuring devices, color/spectral characteristic measurement, and analysis materials, etc., can solve problems such as deviation and large deviation of concentration analysis results, and achieve low cost of use, easy monitoring at any time, and wide range of use big effect

Inactive Publication Date: 2017-09-08
UCHEER PURIFICATION & POLLUTION CONTROL TECH ZHEJIANG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the system required by this method requires a special image acquisition device, including the structural cooperation of the image acquisition chamber and the optical channel, to complete the entire detection process, which still has a high dependence on external equipment, and the final color value of the sample to be tested The acquisition is still taken by the camera of the mobile phone and the color data is detected by selecting the center size part of the image. Different mobile phone camera structures and materials may cause deviations between the acquired image and the real image, and the deviation between the collected color data and the real data will be Lead to large deviations in the final concentration analysis results

Method used

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  • Substance content detection method, system and device based oncolordata analysis
  • Substance content detection method, system and device based oncolordata analysis
  • Substance content detection method, system and device based oncolordata analysis

Examples

Experimental program
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Effect test

Embodiment 1

[0067] A device for the detection method of substance content based on color data analysis, including a sample container, a color card 1 (such as figure 2 As shown), a shooting viewfinder, an intelligent identification terminal, the color comparison card 1 includes a color block area 2 and a sample placement area 5 located therein, and three positioning points 4 are set on the edge of the color block area 2 on the color comparison card 1,

[0068] The shooting viewfinder and the intelligent identification terminal are a kind of intelligent mobile device, such as a smart phone or a tablet computer, which is used to take a picture of the color card 1 area, perform color balance processing on the picture, and be able to distinguish the color block 3 from the sample position, And identify the sample color data and color block 3 color data from the picture, compare the color block closest to the sample color data, read the content of the substance in the sample to be tested from th...

Embodiment 2

[0096] The method of the present invention can also be used to detect the concentration of specific ions in the solution, such as the concentration of hydrogen ions or hydroxide ions in the solution, that is, the pH value, and use the color development on the pH test paper to identify the pH value of the solution.

[0097] An intelligent and precise device for identifying the pH of a solution, comprising a precision pH test paper, a color card 1 (such as image 3 shown), a shooting viewfinder, and an intelligent identification terminal. The color comparison card 1 includes a color block area 2 and a sample placement area 5. There are three positioning points 4 on the color comparison card 1.

[0098] Preferably, the shooting viewfinder and the intelligent identification terminal are smart phones, tablet computers, etc.,

[0099] Preferably, a color comparison card can also be added to place a base, the base is connected to a smart phone, a tablet computer, etc. through a fixed...

Embodiment 3

[0132] For the detection of the content of colored substances in solid or gas mixtures, pretreatment of solids or gases is required. For example, in solid mixtures, first ensure that the color of the solids is mixed uniformly. Tablet processing, and then put the sample container together with the mixture or the compressed tablet of the mixture into the sample area 5 to be tested;

[0133] Gas mixture, inject the gas to be tested into a fixed airtight sample container and seal it, and then put the sample container containing the mixed gas into the place to be tested;

[0134] After the above-mentioned treatment, it can be similar to the device and operation method of a method for detecting substance content based on color data analysis in Example 1, and will not be repeated here.

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Abstract

The invention belongs to the field of content detection of color-changed substances, and specifically relates to a substance content detection method, system and devicebased on color data analysis. According to the technical scheme, the method mainly comprises the following steps: S1, creating a standard sample color database; S2, selecting color data corresponding to a certain amount of standard samples according to a detection result accuracy demand, and printing a plurality of color blocks; S3, shooting and frame the to-be-detected samples and the plurality of color blocks in onesame horizontal plane; S4, recognizing the color blocks inthe color the most close to the color data of the to-be-detected samples; and S5, finding out the substance content corresponding to the color blocks from the standard sample color database, and then defining to be the substance content in theto-be-detected sample. With the adoption of the method, the problems that a colourimetric card is used for visually comparing the color in case of little color difference, subjective factors highly influence the result, and the visual color difference comparing capability is limited, can be solved; the detection process is objective; the detecting accuracy is high; the field detection is convenient; the detection cost is low; and the result is accurate and clear.

Description

technical field [0001] The invention belongs to the field of substance content detection that produces color changes, and in particular relates to a substance content detection method, system and device based on color data analysis. Background technique [0002] For the detection of colored substances in liquid samples, a spectrophotometer test instrument can be used. For example, in the detection method of formaldehyde concentration, the national standard adopts adding formaldehyde to phenol reagent and then carrying out color reaction, and then detects the absorbance of colored substances in the solution through a spectrophotometer, and obtains the content of colored substances according to the absorption spectrum curve, thereby calculating the formaldehyde concentration. However, this method requires a specific spectrophotometric device, and there are problems such as complicated operation and calculation process, high dependence on the instrument during the use process, ...

Claims

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Application Information

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IPC IPC(8): G01N21/25G01N21/78
CPCG01N21/25G01N21/78G01N21/783
Inventor 黄建国曹华琚纪军肖鸽张振北胡灯红
Owner UCHEER PURIFICATION & POLLUTION CONTROL TECH ZHEJIANG CO LTD
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