Multi-channel portable spectrum system based on time-sharing lightening and detection method thereof

A spectral system and multi-channel technology, applied in the direction of color/spectral characteristic measurement, etc., can solve the problems of use environment, use location restrictions, complex operation method, slow measurement speed, etc., reduce production cost and difficulty, and simplify experimental operation , the effect of improving work efficiency

Pending Publication Date: 2019-06-25
MINZU UNIVERSITY OF CHINA
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Problems solved by technology

[0005] (1) The existing grating spectrometer has high cost and harsh manufacturing conditions;
[0006] (2) Existing grating spectrometers are relatively large in size, and the use environment and place of use are limited;
[0007] (3) The existing grating spectrometer has cumbersome measurement methods, relatively complicated operation methods, and very slow measurement speed

Method used

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  • Multi-channel portable spectrum system based on time-sharing lightening and detection method thereof
  • Multi-channel portable spectrum system based on time-sharing lightening and detection method thereof
  • Multi-channel portable spectrum system based on time-sharing lightening and detection method thereof

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Embodiment Construction

[0037] The present invention will be further elaborated below through specific embodiments in conjunction with the accompanying drawings.

[0038] Such as figure 1As shown, the multi-channel portable spectroscopy system based on time-sharing lighting in this embodiment includes: a control circuit 1, eight light sources 2, a sample stage 3, an eight-in-one optical fiber beam splitter 4, a linear filter 5, and a linear CCD element 6 and a computer 7; wherein, the sample table 3 is provided with eight sample slots in sequence along the lateral direction; each sample slot is provided with a light hole with a diameter of 9 mm perpendicular to the lateral direction of the sample table 3, and the light hole runs through the sample The front and rear surfaces of the tank; the control circuit 1 is connected to eight light sources 2, and the light source is white light; each light source corresponds to a sample tank, fits the front surface of the sample tank, and is facing the correspon...

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Abstract

The present invention discloses a multi-channel portable spectrum system based on time-sharing lightening and a detection method thereof. The system replaces grating with a linear filter to greatly save the space required by dispersion and unfolding of input light by the grating, compared to a grating spectrometer, the portability of the spectrum system is improved; a time-sharing lightening technology is employed to allow a plurality of light sources to still flicker in a sample groove so that measurement is completed in seconds, compared to the grating spectrometer, the measurement speed ofthe spectrum system and the number of the detection samples measured each time are increased to greatly improve the work efficiency of the spectrum system; the spectrum system employs an n-in-one optical fiber beam splitter to allow the information light of the detection samples in the channels to be all transmitted to one linear CCD element, and compared to the grating spectrometer, the experiment operation is simplified to further save the space and improve the portability; and moreover, the manufacturing cost and the manufacturing difficulty are greatly reduced.

Description

technical field [0001] The invention relates to spectrum detection technology, in particular to a multi-channel portable spectrum system based on time-sharing lighting and a detection method thereof. Background technique [0002] When light acts on matter, various spectral phenomena such as light transmission, scattering, absorption and emission spectra will be produced. According to the spectral characteristics, relevant information such as the composition and content of the substance under study can be obtained. Therefore, spectral detection technology is widely used in many fields such as biochemical detection, biomedicine, environmental monitoring, health and quarantine, food and pharmaceuticals, industrial and agricultural production, and astronomical observation. A spectrometer is one of the means to achieve spectral detection. It is a scientific instrument that uses photodetectors such as photomultiplier tubes to obtain the intensity of spectral lines at different wav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/25G01N21/27
Inventor 陈笑赖春权马成于笑渊李金亮姜昊辰王义全陈根祥
Owner MINZU UNIVERSITY OF CHINA
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