A non-contact chromaticity detection device and detection method

A non-contact, detection method technology, applied in the direction of color/spectral characteristic measurement, etc., can solve the problems of heavy cleaning workload, small absorbance, short optical path, etc., and achieve the effect of avoiding cleaning problems and small absorbance

Active Publication Date: 2021-03-16
西安鹿谱工控有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. A photometric electrode of one specification in the prior art is only suitable for one optical wavelength;
[0004] 2. The volume limitation results in a short optical path, so it is not sensitive to liquids with low absorbance and close to transparency;
[0005] 3. The photometric electrode needs to be inserted into the liquid, and the cleaning workload is heavy

Method used

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  • A non-contact chromaticity detection device and detection method
  • A non-contact chromaticity detection device and detection method
  • A non-contact chromaticity detection device and detection method

Examples

Experimental program
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Effect test

Embodiment 1

[0047] In this example, if figure 1 As shown, the vertical light path arrangement is adopted, the multi-spectral light source 2 is directly above the transparent reaction vessel 1, and the panchromatic light sensor 3 is directly below the transparent reaction vessel 1. ; In this preferred example, under the vertical optical path, four panchromatic light sensors 3 adopt image 3 Symmetrical arrangement, but not limited to this method; when the multispectral light source 2 and the panchromatic light sensor 3 are set up and down relative to each other to form a vertical optical path, the multispectral light source 2 and the panchromatic light sensor 3 are coaxially arranged along the axis of the reaction vessel 1.

Embodiment 2

[0049] In this example, figure 2 As shown, a horizontal optical path arrangement is adopted, the multi-spectral light source 2 is outside one side of the transparent reaction vessel 1, and the panchromatic light sensor 3 is arranged oppositely outside the other side of the transparent reaction vessel 1, and the light penetrates the reaction vessel in a horizontal manner Reach the panchromatic light sensor 3; In this preferred example, under the horizontal optical path, four panchromatic light sensors 3 adopt Figure 4 Symmetrical arrangement, but not limited to this method; when the multi-spectral light source 2 and the panchromatic light sensor 3 are arranged horizontally opposite each other to form a horizontal optical path, the multi-spectral light source 2 and the panchromatic light sensor 3 are all aligned along the horizontal projection axis of the liquid phase in the reaction vessel 1. Shaft arrangement.

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Abstract

The invention provides a non-contact chromaticity detection device and a detection method, which can be used for carrying out multispectral measurement at the same time, have no pollution on sensors and a liquid to be detected, and overcome the defect of a luminosity electrode in the prior art. The device comprises a transparent reaction container, multispectral light sources arranged right abovethe reaction container or outside a side wall of the reaction container, full-color light sensors for receiving a multispectral light source transmission light, and a multispectral light source switching device with an output end connected with a multispectral light source control end, wherein at least two full-color light sensors are arranged, are simultaneously distributed right below the reaction container or outside the side wall of the reaction container, and are arranged opposite to the multispectral light sources; the multispectral light sources, the full-color light sensors and the reaction containers are arranged in a non-contact way; a signal processing system is connected with output ends of the full-color light sensors, and is used for receiving light signals of multiple channels at the same time.

Description

technical field [0001] The invention relates to liquid phase substance concentration measuring equipment, in particular to a non-contact chromaticity detection device and a detection method. Background technique [0002] In automatic titrators, a photometric electrode is often used as a criterion for the color change of the titration. A light source and a light sensor are integrated on the photometric electrode. When in use, the photometric electrode is inserted into the reaction liquid phase, and the chromaticity change is read from the photometric sensor. The disadvantages of photometric electrodes in the prior art are: [0003] 1. A photometric electrode of one specification in the prior art is only suitable for one optical wavelength; [0004] 2. The volume limitation leads to a short optical path, so it is not sensitive to liquids with small absorbance and close to transparent liquid detection; [0005] 3. The photometric electrode needs to be inserted into the liqui...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/25
CPCG01N21/25
Inventor 陶慧斌李昊万昊鹏钱操平
Owner 西安鹿谱工控有限公司
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