Multi-channel multi-wavelength spectrum detection device

Abstract

The invention provides a multi-channel multi-wavelength spectrum detection device. The device has a unique light source system. When it is necessary to detect a plurality of samples, it is possible to simultaneously detect the samples in multiple channels and switch into light sources of different wavelengths so that fast and reliable detection of a mass of samples is realized. The device comprises a light source, a light source rotation shaft, a rotation shaft driving device and a sample cell. The light source comprises multiple lamp source bands with single wavelength long light source lamps arranged in a longitudinal direction. The light source lamp bands having different wavelengths are installed on the light source rotation shaft along a circumferential direction. The sample cell comprises multiple sample boxes arranged in a longitudinal direction. The side of each sample box is provided with a light transmission channel corresponding to the light source lamps in the lamp source bands. The rotation shaft driving device is used for making the light source lamps having different wavelengths in the lamp source bands rotate to the light incidence side of the light transmission channel of the sample box.

Description

technical field [0001] The invention relates to the technical field of food safety detection, in particular to a multi-channel multi-wavelength spectral detection device. Background technique [0002] In the field of food safety detection technology, spectrophotometry is usually used to measure the absorbance or luminous intensity of the measured substance at a specific wavelength or within a certain wavelength range, and perform qualitative and quantitative analysis of the substance. The detection instrument used in spectrophotometry is called a spectrophotometer. A spectrophotometer is also called a spectrometer. It is a spectrum detection instrument that decomposes complex light into spectral lines. The measurement range generally includes the visible light region and Ultraviolet region with a wavelength range of 200-380nm. The spectrometer is mainly composed of a light source, a monochromator, a sample cell, a detector, and a signal processor. Different light sources ha...

AI Technical Summary

Problems solved by technology

Traditional spectrometers usually use a light source that can generate multiple wavelengths. Generally, only one sample can be scanned at multiple wavelengths during detection. To achieve multi-channel detection of various samples, multiple spectrometers need to be used together. For large quantities of samples When testing, the operation is complicated, the cost is high, and time-consuming and labor-intensive

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