CN110044856A - A kind of quick nondestructive authentication equipment of multiple light courcess LIF sunflower oil doping rapeseed oil - Google Patents
A kind of quick nondestructive authentication equipment of multiple light courcess LIF sunflower oil doping rapeseed oil Download PDFInfo
- Publication number
- CN110044856A CN110044856A CN201910244231.XA CN201910244231A CN110044856A CN 110044856 A CN110044856 A CN 110044856A CN 201910244231 A CN201910244231 A CN 201910244231A CN 110044856 A CN110044856 A CN 110044856A
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- Prior art keywords
- laser
- lif
- multiple light
- fpga
- doping
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6402—Atomic fluorescence; Laser induced fluorescence
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N2021/6417—Spectrofluorimetric devices
Abstract
The present invention relates to a kind of quick nondestructive authentication equipment of multiple light courcess LIF sunflower oil doping rapeseed oil, which is made of No. four relays, laser 1, laser 2, laser 3, laser 4, receiving module, CCD module, FPGA and LCD display.When FPGA issues two weak magnetic signals, corresponding two pins of No. four relays will be connected, and be equivalent to and close the switch, and two lasers corresponding with two pins will issue laser, in plant oil samples to be measured, receiving module receives the fluorescence signal that sample issues and is transmitted to CCD module horizontal irradiation.The fluorescence signal received is converted into electric signal by CCD module, and electric signal is analyzed and compared by modeling on FPGA, the fluorescence spectrum of sample is finally shown on LCD display, to judge whether adulterate rapeseed oil in sunflower oil.Present invention uses multiple light courcess combination LIF technology, and not contact measured sample, realize quickly, non-destructive testing.
Description
Technical field
The present invention relates to vegetable oil safety testing field, specifically a kind of multiple light courcess LIF sunflower oil doping rapeseed oil
Quick nondestructive authentication equipment.
Background technique
In recent years, the country and people it is food-safe concern it is higher and higher, it is various doping, adulterated event institute band
Come influence it is increasing, wherein the doping problem of vegetable oil due to the limitation of detection device and technology it is increasingly severe,
Low price vegetable oil is added in high price vegetable oil, and the rapeseed oil of low price is adulterated such as in the sunflower oil of high price；What is more
Gutter oil is added in vegetable oil, the equity of the former consumer is destroyed, the health of the also serious damage consumer of the latter.
Traditional vegetable oil detection method has liquid chromatography, gas chromatography etc., and the speed of detection is slow, time-consuming, if
It is standby expensive, limit the dynamics of vegetable oil detection.
Laser Induced Fluorescence Technology (laser induced fluorescence spectroscopy, LIF) is close
One technology of year new development, being used in vegetable oil detection has that detection speed is fast, success rate is high, and resolution ratio height etc. is bright
Aobvious advantage.For traditional vegetable oil detection technique, use laser Induced Fluorescence Technology that equipment is become smaller, at
While this reduction its detect speed faster, high sensitivity, can quickly analyze result.In addition, multiple light courcess photograph is used alternatingly
It penetrates vegetable oil to be identified to obtain fluorescence spectrum, so that the accuracy of result is higher than the result of single light source, while not contact
Vegetable oil to be measured, realizes non-destructive testing.
Summary of the invention
The object of the present invention is to provide a kind of quick nondestructive identifications of multiple light courcess LIF sunflower oil doping rapeseed oil to set
It is standby, to realize the Fast nondestructive evaluation to vegetable oil.
The present invention realizes that invention mesh adopts the following technical scheme that and provides a kind of multiple light courcess LIF sunflower oil doping rapeseed oil
Quick nondestructive authentication equipment, which includes following part: No. four relays, laser 1, laser 2, laser 3, swash
Light device 4, receiving module, CCD module, FPGA and LCD display.No. four relay one end are connected with FPGA, the other end and swash
Light device 1, laser 2, laser 3 are connected with laser 4；CCD module one end is connected with reception device, the other end and FPGA phase
Even；LCD display is connected with FPGA.
Preferably, a kind of quick nondestructive of multiple light courcess LIF sunflower oil doping rapeseed oil proposed by the invention identifies
Equipment, using XL6009 boost chip and LM2596 decompression chip combination, by buck be No. four relays, laser,
CCD module, FPGA and LCD display provide the voltage of safety and stability；
Preferably, a kind of quick nondestructive of multiple light courcess LIF sunflower oil doping rapeseed oil proposed by the invention identifies
Equipment, No. four relays select the Haikang DS-19M04-RO Wei Shi No. tetra- relay, for controlling four lasers
Switching sequence and number；
Preferably, a kind of quick nondestructive of multiple light courcess LIF sunflower oil doping rapeseed oil proposed by the invention identifies
Equipment, the laser 1 select the blue laser of model BL-450/1~1500mW, and laser 2 selects model
The green (light) laser of MMEPGF-532-3, laser 3 select MGL-W series 589nm half of model Changchun NPD projects company
Conductor pumped solid Yellow light laser, laser 4 select the red laser of model MAR 660-20；
Preferably, a kind of quick nondestructive of multiple light courcess LIF sunflower oil doping rapeseed oil proposed by the invention identifies
Equipment, the receiving module are made of plane mirror, long logical filter and optical fiber, receive fluorescence and be transmitted to CCD module；
Preferably, a kind of quick nondestructive of multiple light courcess LIF sunflower oil doping rapeseed oil proposed by the invention identifies
Equipment, the ILX511CCD that the CCD module uses Sony to produce, the fluorescence signal received can be converted
At electric signal；
Preferably, a kind of quick nondestructive of multiple light courcess LIF sunflower oil doping rapeseed oil proposed by the invention identifies
Equipment, the FPGA uses altera corp Startix serial, is programmed with Verilog language, on the one hand right
CCD receives the electric signal to come and is handled and analyzed, and on the other hand controls the movement of No. four relays；
Preferably, a kind of quick nondestructive of multiple light courcess LIF sunflower oil doping rapeseed oil proposed by the invention identifies
Equipment, the LCD display use the V16C6448AB of PVI Company, and high resolution can completely show point of FPGA
Analyse result；
The utility model has the advantages that
Compared with prior art, the present invention its advantages are embodied in: LIF technology is a skill of new development in recent years
Art, being used in detection has detection speed is fast, success rate is high, the clear advantages such as resolution ratio height.Traditional vegetable oil inspection
Survey method has liquid chromatography, gas chromatography etc., and the speed of detection is slow, time-consuming, and equipment price is expensive, limits plant
The development of oil detection uses laser Induced Fluorescence Technology that equipment is become for traditional vegetable oil detection technique
While small, cost reduces its detect speed faster, high sensitivity, can be with rapid results；In addition, same using multiple light courcess
When irradiation vegetable oil identified to obtain fluorescence spectrum so that the accuracy of result is higher than the result of single light source；Swash simultaneously
The laser that light device issues does not need direct contact measured vegetable oil, realizes non-destructive testing, therefore be highly suitable for vegetable oil and mix
Miscellaneous Fast nondestructive evaluation and popularization.
Detailed description of the invention
Fig. 1 is the structural block diagram of present device.
Fig. 2 is fluorescence-emitting moiety structural schematic diagram of the invention.
Specific embodiment
The present invention devises a kind of quick nondestructive equipment of multiple light courcess LIF sunflower oil doping rapeseed oil, which includes
No. four relays, laser 1, laser 2, laser 3, laser 4, receiving module, CCD module, FPGA and LCD are shown
Device.No. four relay one end are connected with FPGA, and the other end is connected with laser 1, laser 2, laser 3 and laser 4；CCD
Module one end is connected with reception device, and the other end is connected with FPGA；LCD display is connected with FPGA.
The present invention devises the rapid non-destructive detecting device of the vegetable oil under the combination of LIF technology and multiple light courcess.
Steps are as follows for concrete implementation:
The work of laser draws four pins of four line traffic control No. four relays from FPGA, controls four accordingly
A laser.It is programmed on FPGA with Verilog language, when FPGA issues two weak magnetic signals, No. four relays are corresponding
Two pins will be connected accordingly, be equivalent to and close the switch, and two lasers corresponding with two pins will issue laser.
Program on FPGA so that corresponding according to the sequence of laser 1,2, laser 2,3, laser 3,4 and laser 4,1
Two lasers be simultaneously emitted by laser, horizontal irradiation is in plant oil samples to be measured.
The generation and receiving of fluorescence, when two lasers issue laser level be irradiated on vegetable oil sample to be detected,
Since the molecule in the irradiation excitation sample of laser issues fluorescence, the device of a reception fluorescence is placed on the opposite of laser,
It receives the fluorescence that sample issues and CCD module is transmitted to by optical fiber.
The processing and analysis of fluorescence, the resolution ratio of used CCD are 2048, CCD module by receive 4 groups of fluorescence
Signal is converted into 4 × 2048 electric signals, and 4 × 2048 electric signals are analyzed and compared by modeling on FPGA, most
The fluorescence spectrum of plant oil samples to be measured can be shown on LCD display eventually, to judge whether adulterate dish in sunflower oil
Seed oil.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, nothing
By from the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes be included within the present invention.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only
It contains an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art answer
When considering the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments that member is understood that.
Claims (8)
1. a kind of quick nondestructive authentication equipment of multiple light courcess LIF sunflower oil doping rapeseed oil, it is characterised in that: the equipment includes
No. four relays, laser 1, laser 2, laser 3, laser 4, receiving module, CCD module, FPGA and LCD are shown
Device.No. four relay one end are connected with FPGA, and the other end is connected with laser 1, laser 2, laser 3 and laser 4；CCD
Module one end is connected with reception device, and the other end is connected with FPGA；LCD display is connected with FPGA；
2. a kind of quick nondestructive authentication equipment of multiple light courcess LIF sunflower oil doping rapeseed oil according to claim 1,
It is characterized in that: the equipment of power supply power supply being needed to have No. four relays, laser, CCD module, FPGA and LCD display, use
XL6009 boost chip and LM2596 are depressured chip, provide the voltage of safety and stability by buck for the equipment；
3. a kind of quick nondestructive authentication equipment of multiple light courcess LIF sunflower oil doping rapeseed oil according to claim 1,
It is characterized in that: No. four relays selection Haikang DS-19M04-RO Wei Shi No. tetra- relay, for controlling four lasers
Switching sequence and number；
4. a kind of quick nondestructive authentication equipment of multiple light courcess LIF sunflower oil doping rapeseed oil according to claim 1,
Be characterized in that: the laser 1 selects the blue laser of model BL-450/1-1500mW, and laser 2 selects model
The green (light) laser of MMEPGF-532-3, laser 3 select MGL-W series 589nm of model Changchun NPD projects company partly to lead
Body pumped solid Yellow light laser, laser 4 select the red laser of model MAR660-20；
5. a kind of quick nondestructive authentication equipment of multiple light courcess LIF sunflower oil doping rapeseed oil according to claim 1,
Be characterized in that: the receiving module is made of plane mirror, long logical filter and optical fiber, is received fluorescence and is transmitted to CCD module；
6. a kind of quick nondestructive authentication equipment of multiple light courcess LIF sunflower oil doping rapeseed oil according to claim 1,
Be characterized in that: the ILX511 CCD that the CCD module uses Sony to produce, high-resolution can will receive
Fluorescence signal be converted into electric signal；
7. a kind of quick nondestructive authentication equipment of multiple light courcess LIF sunflower oil doping rapeseed oil according to claim 1,
Be characterized in that: the FPGA uses altera corp Startix serial, is programmed with Verilog language, on the one hand
The electric signal to come is received to CCD to be handled and analyzed, and the movement of No. four relays is on the other hand controlled；
8. a kind of quick nondestructive authentication equipment of multiple light courcess LIF sunflower oil doping rapeseed oil according to claim 1,
Be characterized in that: the LCD display uses the V16C6448AB of PVI Company, and high resolution can completely show FPGA's
Analyze result.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910244231.XA CN110044856A (en) | 2019-03-28 | 2019-03-28 | A kind of quick nondestructive authentication equipment of multiple light courcess LIF sunflower oil doping rapeseed oil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910244231.XA CN110044856A (en) | 2019-03-28 | 2019-03-28 | A kind of quick nondestructive authentication equipment of multiple light courcess LIF sunflower oil doping rapeseed oil |
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| Publication Number | Publication Date |
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| CN110044856A true CN110044856A (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910244231.XA Pending CN110044856A (en) | 2019-03-28 | 2019-03-28 | A kind of quick nondestructive authentication equipment of multiple light courcess LIF sunflower oil doping rapeseed oil |
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| CN109308498A (en) * | 2018-11-28 | 2019-02-05 | 安徽理工大学 | A kind of small thin rice gruel discrimination method of laser induced fluorescence vegetable oil doping |
| CN210119440U (en) * | 2019-03-28 | 2020-02-28 | 安徽理工大学 | Quick nondestructive identification equipment for multi-light-source LIF sunflower seed oil doped rapeseed oil |
-
2019
- 2019-03-28 CN CN201910244231.XA patent/CN110044856A/en active Pending
Patent Citations (18)
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| CN1548944A (en) * | 2003-05-20 | 2004-11-24 | 中国科学院大连化学物理研究所 | Micro fluid control chip laser inducing fluorometric analysis instrument |
| CN101013091A (en) * | 2007-01-25 | 2007-08-08 | 江西农业大学 | Method and device for not damaged detecting of soil and pesticide contamination on fruit surface |
| CN101021478A (en) * | 2007-02-13 | 2007-08-22 | 江西农业大学 | Laser inducing fluorescent high spectral image detecting method and device for fruit quality |
| CN101275905A (en) * | 2008-04-18 | 2008-10-01 | 浙江大学 | Multi-source optical spectrum syncretizing portable water quality analysis meter |
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| CN101614829A (en) * | 2009-07-29 | 2009-12-30 | 大连海事大学 | Airborne laser-fluorescence sea oil pollution probing device |
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