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Absorbance detection system with self-calibration function

A self-calibration, optical detection technology, applied in color/spectral characteristic measurement, absorption/scintillation/reflection spectrum, spectrum investigation, etc., can solve the problem of detection system sensitivity reduction

Inactive Publication Date: 2020-03-13
BEIJING BEITAI TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the present invention provides an absorbance detection system with a self-calibration function to solve the problem that the sensitivity of the detection system is reduced due to the attenuation of the light source

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  • Absorbance detection system with self-calibration function
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  • Absorbance detection system with self-calibration function

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Embodiment Construction

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0022] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative...

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Abstract

The invention provides an absorbance detection system with a self-calibration function. The system comprises an optical detection module, a detection pool module and a data acquisition and operation module. The optical detection module comprises a light source, a monochromator and a photoelectric conversion device. The detection pool module comprises at least one detection pool and at least one light transmission hole position, and the detection pool module and the optical detection module generate relative motion. The data acquisition and operation module acquires data signals of the detection pool and the light transmission hole at the same time in the relative movement process of the optical detection module and the detection pool module and is used for correcting signal value changes caused by the light source so as to improve the sensitivity of the detection system.

Description

technical field [0001] The invention relates to the technical fields of food detection, environmental detection and medical equipment, and in particular to an absorbance detection system with a self-calibration function. Background technique [0002] Absorbance is a physical quantity to measure the degree of light absorption, which refers to the ratio of the incident light intensity before the light passes through the solution or other substances to the transmitted light intensity after the light passes through the solution or other substances. For example, for a solution, the absorbance is mainly affected by the wavelength of light, the thickness of the solution, the concentration of solute in the solution, etc.; under the conditions of the wavelength of the beam and the thickness of the solution, the absorbance is determined by the concentration of the solution. Determining the concentration of specific substances in a solution based on the principle of absorbance is the m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/31G01J3/42
CPCG01J3/42G01N21/31
Inventor 郭二勇杨德刚王健辉冯慧星王宪华
Owner BEIJING BEITAI TECH
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