CN103411884B - A kind of reference transmission dispersion sensitivity spectrum line detector - Google Patents
A kind of reference transmission dispersion sensitivity spectrum line detector Download PDFInfo
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- CN103411884B CN103411884B CN201310275050.6A CN201310275050A CN103411884B CN 103411884 B CN103411884 B CN 103411884B CN 201310275050 A CN201310275050 A CN 201310275050A CN 103411884 B CN103411884 B CN 103411884B
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Abstract
The present invention relates to a kind of reference transmission dispersion sensitivity spectrum line detector, can effectively solve tester processing, assembly precision requires high, cost is high, volume is large, Measuring Time is long, the problem of poor anti jamming capability, the technical scheme of its solution is, comprise casing, line array CCD sensing module and linear photosensor diode, light shield is equipped with on casing top, transparent utensil is housed in the middle of in casing, transparent utensil left is equipped with light emitting diode, linear photosensor diode is connected with light emitting diode through optical fiber, the right-hand diaphragm that is equipped with of transparent utensil, the right-hand dispersion grating that is equipped with of diaphragm, line array CCD sensing module is equipped with in dispersion grating top, Light-Emitting Diode is connected with drive circuit, linear photosensor diode is connected with the second processor, line array CCD sensing module is connected with first processor, structure of the present invention is ingenious, manufacturing process is simple, easy to use, can effectively solve tester processing, assembly precision requires high, cost is high, volume is large, Measuring Time is long, the problem of poor anti jamming capability.
Description
One, technical field
The present invention relates to liquid spectral measurement field, particularly a kind of reference transmission dispersion sensitivity spectrum line detects dressPut.
Two, background technology
At present, be to adopt in liquid phase spectrophotometer at some liquid residue substance detecting method, owing to surveyingIn amount process, there is rotatablely moving or linear movement of light-splitting device, to realize dispersion scanning, so, testInstrument processing, assembly precision require harsh, and the conditions such as measurement environment vibration, horizontal stable degree, humiture are wantedAsk very high, conventionally, instrument and equipment involves great expense, bulky, and Measuring Time is long, poor anti jamming capability,Can only under laboratory condition, work. Although also there are some testers based on color sensitive sensor, improvedIn spectrophotometer measurement process, need the defect of Dispersive Devices rotary scanning, but for light source due to power supplyThe luminous intensity that unstable, variations in temperature, luminous efficiency decay etc. cause is unstable, causes the precision of measuringLow, the poor problem of uniformity does not well solve, particularly for the measurement that requires spectral profile, especiallyHelpless. Therefore, provide and be well positioned to meet the requirement that various complicated on-the-spot test are used, especially forThe emergent of some accidents or natural calamity scene inspected method and apparatus fast, seems particularly important
Three, summary of the invention
For above-mentioned situation, for overcoming the defect of prior art, the present invention's object is just to provide a kind of referenceTransmission dispersion sensitivity spectrum line detector, can effectively solve tester processing, assembly precision requirement is high, costHeight, volume is large, and Measuring Time is long, the problem of poor anti jamming capability.
The technical scheme of its solution is, comprises casing, line array CCD sensing module and linear photosensor diode,Light shield is equipped with on casing top, in the middle of casing is interior, transparent utensil is housed, and transparent utensil left is equipped with light-emitting diodesPipe, linear photosensor diode is connected with light emitting diode through optical fiber, the right-hand diaphragm that is equipped with of transparent utensil,The right-hand dispersion grating that is equipped with of diaphragm, line array CCD sensing module, diaphragm and luminous two are equipped with in dispersion grating topJi Guan center on same axis, corresponding and and the diaphragm in the right side of dispersion grating reflective surface and transparent utensilHorizontal axis become 135 degree angles; Light-Emitting Diode is connected with drive circuit, linear photosensor diode andTwo processors are connected, and line array CCD sensing module is connected with first processor, and first processor and second is processedDevice is connected with the 3rd processor respectively, and the 3rd processor is connected with four-processor, four-processor and demonstrationDevice is connected.
Said first processor, the second processor, the 3rd processor and four-processor are single-chip microcomputer.
Structure of the present invention is ingenious, and manufacturing process is simple, easy to use, can effectively solve tester processing, dressJoin required precision high, cost is high, and volume is large, and Measuring Time is long, the problem of poor anti jamming capability.
Four, brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is optical measurement principle schematic of the present invention.
Five, detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further details.
Provided by Fig. 1, Fig. 2, apparatus of the present invention comprise casing, line array CCD sensing module and linear photosensor twoUtmost point pipe, light shield 3 is equipped with on casing 1 top, and transparent utensil 5 is equipped with in the interior centre of casing 1, transparent utensil 5Left is equipped with light emitting diode 2, and linear photosensor diode 4 is connected with light emitting diode 2 through optical fiber 15,The right-hand diaphragm 7 that is equipped with of transparent utensil 5, the right-hand dispersion grating 8 that is equipped with of diaphragm 7, be equipped with dispersion grating 8 topsLine array CCD sensing module 6, the center of diaphragm 7 and light emitting diode 2 on same axis, dispersion grating 8The right side of reflective surface and transparent utensil 5 is corresponding and become 135 degree angles with the horizontal axis of diaphragm 7; LuminousDiode 2 is connected 9 with drive circuit, and linear photosensor diode 4 is connected with the second processor 10, line array CCDSensing module 6 is connected with first processor 11, and first processor 11 and the second processor 10 are respectively with the 3rdProcessor 12 is connected, and the 3rd processor 12 is connected with four-processor 13, four-processor 13 and demonstrationDevice 14 is connected.
Said first processor 11, the second processor 10, the 3rd processor 12 and four-processor 13 areSingle-chip microcomputer.
Service condition of the present invention is:
Light-Emitting Diode 2 sends light, and the liquid that transparent utensil is 5 li and optical fiber 15 are accepted light, warp simultaneouslyThe light of crossing the liquid of 5 li of transparent utensils is radiated on dispersion grating 8 by diaphragm 7, anti-through dispersion grating 8After penetrating, shine line array CCD sensing module 6, line array CCD sensing module 6 passes to first processor 11 signalIn, the V obtaining after treatmenti, pass to the 3rd processor 12; The light that optical fiber 15 is accepted is to linear photosensorDiode 4, changes into signal and passes in the second processor 10, obtains after treatment surveying luminous intensity E2, passPass through actual measurement luminous intensity E to the 3rd processor 12, the three processors 122Revise and obtain correction factor,Then to the each pixel V of line array CCD sensing module 6iMeasured value revise, revised through everywhereThe linearisation of reason device 13 shows at display screen 14.
Computing formula is as follows:
The line array CCD that is N for pixel, the i=1～N in above formula, wherein
SiThe gray value scale value of-fluid to be measured i pixel is testing result;
KiThe chromatogram absorption coefficient of-fluid to be measured i pixel is given value;
ViThe output gray level value of-ccd sensor i pixel is measured value;
E1-standard sources luminous intensity is given value;
E2-actual measurement light source luminous intensity is measured value;
I1When-corresponding standard sources luminous intensity, the photoelectric current of linear photosensor diode 4, is given value;
I2When-corresponding actual measurement light source luminous intensity, the photoelectric current of linear photosensor diode 4, is measured value.
The present invention is owing to adopting dispersion grating ledger line battle array CCD sensing module to substitute traditional scanning chromatic dispersion structure,Whole measuring process is scanned without mechanical rotation, thereby greatly improved ambient adaptability and the survey of instrumentThe stability of amount, meanwhile, due to the structure and method difference of two kinds of spectral measurements, the former in signals collecting andHeight far away and the latter in data processing speed, the common single colour measurement time is less than 2 seconds.
Structure of the present invention is ingenious, and manufacturing process is simple, easy to use, can effectively solve tester processing, dressJoin required precision high, cost is high, and volume is large, and Measuring Time is long, the problem of poor anti jamming capability.
Claims (2)
1. a reference transmission dispersion sensitivity spectrum line detector, comprise casing, line array CCD sensing module and linear photosensor diode, light shield (3) is equipped with on casing (1) top, transparent utensil (5) is housed in the middle of in casing (1), transparent utensil (5) left is equipped with light emitting diode (2), linear photosensor diode (4) is connected with light emitting diode (2) through optical fiber (15), the right-hand diaphragm (7) that is equipped with of transparent utensil (5), the right-hand dispersion grating (8) that is equipped with of diaphragm (7), line array CCD sensing module (6) is equipped with in dispersion grating (8) top, the center of diaphragm (7) and light emitting diode (2) is on same axis, the right side of dispersion grating (8) reflective surface and transparent utensil (5) is corresponding and become 135 degree angles with the horizontal axis of diaphragm (7), light emitting diode (2) is connected with drive circuit (9), linear photosensor diode (4) is connected with the second processor (10), line array CCD sensing module (6) is connected with first processor (11), first processor (11) is connected with the 3rd processor (12) respectively with the second processor (10), the 3rd processor (12) is connected with four-processor (13), and four-processor (13) is connected with display (14).
2. reference transmission dispersion sensitivity spectrum line detector according to claim 1, it is characterized in that, said first processor (11), the second processor (10), the 3rd processor (12) and four-processor (13) are single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310275050.6A CN103411884B (en) | 2013-07-03 | 2013-07-03 | A kind of reference transmission dispersion sensitivity spectrum line detector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310275050.6A CN103411884B (en) | 2013-07-03 | 2013-07-03 | A kind of reference transmission dispersion sensitivity spectrum line detector |
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| CN103411884A CN103411884A (en) | 2013-11-27 |
| CN103411884B true CN103411884B (en) | 2016-05-11 |
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| CN110987382B (en) * | 2019-12-28 | 2021-06-01 | 上海唯视锐光电技术有限公司 | Measuring equipment and measuring method for laser display color speckles |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6151112A (en) * | 1997-11-17 | 2000-11-21 | Innovative Lasers Corp. | High-resolution, compact intracavity laser spectrometer |
| CN101241069A (en) * | 2008-03-11 | 2008-08-13 | 武汉大学 | Color dispersion -type multifunctional Hadamard transform microscopical imaging spectrometer |
| CN101782505A (en) * | 2010-03-04 | 2010-07-21 | 江苏大学 | Hyperspectral imaging light source system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6563854B2 (en) * | 2000-05-12 | 2003-05-13 | Kaiser Optical Systems | Integrated external diode laser module particularly suited to Raman spectroscopy |
| JP2006171024A (en) * | 2004-12-10 | 2006-06-29 | Olympus Corp | Multi-point fluorescence spectrophotometry microscope and multi-point fluorescence spectrophotometry method |
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2013
- 2013-07-03 CN CN201310275050.6A patent/CN103411884B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6151112A (en) * | 1997-11-17 | 2000-11-21 | Innovative Lasers Corp. | High-resolution, compact intracavity laser spectrometer |
| CN101241069A (en) * | 2008-03-11 | 2008-08-13 | 武汉大学 | Color dispersion -type multifunctional Hadamard transform microscopical imaging spectrometer |
| CN101782505A (en) * | 2010-03-04 | 2010-07-21 | 江苏大学 | Hyperspectral imaging light source system |
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