Compound-eye biomimetic microlens light source for spectral detection
A spectral detection and microlens technology, applied in the field of weak spectral signal detection, can solve the problems of harsh environmental conditions for spectrometers, harsh and complicated operating procedures, and low detection capabilities of probes, etc., to reduce the complexity of the light source, reduce the volume of the light source, Conducive to the effect of near-infrared spectroscopy detection
Active Publication Date: 2018-06-22
SOUTH CENTRAL UNIVERSITY FOR NATIONALITIES
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Problems solved by technology
[0003] The purpose of the present invention is to overcome the problems of optical power attenuation, low detection ability of the probe, harsh environmental conditions of the spectrometer, and harsh and complicated operation process of the existing optical information transmission and coupling process, and provide a compound eye for spectral detection. Bionic Microlens Light Source
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[0036] Below in conjunction with accompanying drawing and embodiment describe in detail:
[0037] 1. Light source
[0038] 1. Overall
[0039] Such as figure 1 , 2 , 3, 4, 5, 6, the light source includes a halogen tungsten lamp 1, a compound eye bionic microlens 2, a connector 3, a drive circuit 4, a light source housing 5, a protective cover 6 and a threaded column 7;
[0040] Its location and connection relationship are:
[0041] The compound eye bionic microlens 2 is arranged in the front middle part of the light source housing 5;
[0042] Two halogen tungsten lamps 1 are distributed on both sides of the compound-eye bionic microlens 2 at 25-35°;
[0043] A threaded column 7 is provided in the light source housing 5 for fixing the driving circuit 4;
[0044] The drive circuit 4 is connected to the tungsten-halogen lamp 1;
[0045] The connector 3 is engaged with the rear end of the light source housing, and the protective cover 6 is engaged with the front end of the ...
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The invention discloses a compound eye bionic micro lens light source for spectrum detection, relating to the field of weak spectral signal detection. According to the light source, a compound eye bionic micro lens (2) is arranged at the front part of a light source shell (5). Two tungsten halogen lamps (1) are distributed at two sides of the compound eye bionic micro lens (2) in an angle of 25 to 35 degrees. The light source shell (5) is internally provided with a threaded column (7) for fixing a drive circuit (4) which is connected to the tungsten halogen lamps (1). A connector (3) is engaged at the tail end of the light source shell, and a protection cover (6) is engaged at the front end of the light source shell. According to the compound eye bionic micro lens light source, the light source is directly connected to a spectrometer, optical devices such as the compound eye bionic micro lens are added, the information optical power attenuation reduction, light source complexity reduction, detection area increase, the obtainment of a comprehensive spectrum information, and the improvement of the portability of a near infrared spectroscopy are realized, thus the near infrared spectrum detection is facilitated, the volume of a near infrared spectroscopy instrument is reduced, and the development cost of the instrument is reduced.
Description
technical field [0001] The invention relates to the field of weak spectral signal detection, in particular to a compound-eye bionic microlens light source for spectral detection. Background technique [0002] Near-infrared spectroscopy detection technology is widely used in agriculture, industry, food and environmental detection and other fields. With the improvement of spectrometer portability, detection range and detection accuracy requirements, designing an integrated light source that can effectively increase the received power of information light, improve imaging quality and compact structure has become the development trend of the best accessories in the field of spectrometer detection. At present, most spectrometers use the "Y" type fiber optic probe to connect to the spectroscopic system to collect the reflected light information of the detected object; the length of the "Y" type fiber optic probe sold on the market is mostly 2m, and the optical power attenuation th...
Claims
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IPC IPC(8): G01J3/10
CPCG01J3/10
Inventor 杨春勇王润雨邓阳陈考铭刘李兴覃先赞雷郡洁侯金陈少平
Owner SOUTH CENTRAL UNIVERSITY FOR NATIONALITIES