CN109781712A - A kind of food composition ratio detection device using flame photometric detection - Google Patents
A kind of food composition ratio detection device using flame photometric detection Download PDFInfo
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- CN109781712A CN109781712A CN201910139863.XA CN201910139863A CN109781712A CN 109781712 A CN109781712 A CN 109781712A CN 201910139863 A CN201910139863 A CN 201910139863A CN 109781712 A CN109781712 A CN 109781712A
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Abstract
The present invention relates to a kind of food composition ratio detection devices using flame photometric detection, it include: pedestal, raw material cabin, experiment bin, flame photometric detector, raw material cabin is set to pedestal upper end, experiment bin is set to raw material cabin upper end, flame photometric detector is set to experiment bin upper end, raw material cabin includes food powders feed inlet, solvent feed mouth, blender, first compression bin, atomising device, first compression bin compresses mixed tested test agent, compressed tested test agent is atomized by atomising device, raw material cabin is connect with experiment bin by compression pipe, compression pipe is used to compressed tested test agent spraying into experiment bin, experiment bin includes the second compression bin, air inlet, hydrogen pump, hydrogen pump is used to that hydrogen to be added to experiment bin via air inlet, hydrogen and the tested test agent of atomization are mixed into final reagent, second compression bin For combustion chamber, the second compression bin sidewall upper is provided with igniter, and flame photometric detector detects the combustion case in the second compression bin.
Description
Technical field
The present invention relates to field of detection of food safety more particularly to a kind of food composition ratios using flame photometric detection
Detection device.
Background technique
With economic fast development, various agricultural product flow extensively on the market, repeatedly occur food safety so far
Hidden danger, people are there is an urgent need to identify the harmful components in food by advanced Fast Detection Technique, to be the body of people
Health provides safeguard.Micro-fluidic chip is a kind of novel detection technique platform high-throughput, sample consumption is few, simple and quick, should
Sample pretreatment, reaction, separation and detection process can be integrated in chip piece by platform, are automatically performed and all analyzed
Journey is widely deployed in food safety detection.But existing detection device carry out food selective examination detection when, often only
Food macroscopic quality, foreign matter etc. are checked, without being detected to constituent；Meanwhile detection time is often very short,
And it can not be repeatedly detected.
Summary of the invention
Goal of the invention:
For existing detection device when carrying out food selective examination detection, often only food macroscopic quality, foreign matter etc. are examined
It looks into, without being detected to constituent；Meanwhile detection time is often very short, and the problem of can not be repeatedly detected, this
Invention provides a kind of food composition ratio detection device using flame photometric detection.
Technical solution:
A kind of food composition ratio detection device using flame photometric detection, for carrying out food safety according to flame luminosity
Vapor detection, comprising: pedestal, raw material cabin, experiment bin, flame photometric detector, the raw material cabin are set to the pedestal upper end,
The experiment bin is set to the raw material cabin upper end, and the flame photometric detector is set to the experiment bin upper end, the original
Feed bin includes food powders feed inlet, solvent feed mouth, blender, the first compression bin, atomising device, the food powders charging
Mouth, which with the solvent feed mouth is used to that detected object to be added to the raw material cabin and formed, is detected test agent, and the blender is used
It is sufficiently mixed in by detected object, first compression bin compresses mixed tested test agent, and the atomising device is by institute
Compressed tested test agent atomization is stated, the raw material cabin is connect with the experiment bin by compression pipe, the compression pipe
For compressed tested test agent to be sprayed into the experiment bin, the experiment bin includes the second compression bin, air inlet, hydrogen
Pump, the hydrogen pump are used to that hydrogen to be added to the experiment bin via the air inlet, and the hydrogen is tested with the atomization
Test agent is mixed into final reagent, and second compression bin is combustion chamber, and the second compression bin sidewall upper is provided with igniting
Device, the flame photometric detector detect the combustion case in the second compression bin.
As a kind of preferred embodiment of the invention, second compression bin lower end is provided with piston device, the piston device packet
Telescopic shaft is included, the telescopic shaft is for promoting the piston device.
As a kind of preferred embodiment of the invention, the second compression bin side wall is provided with opening, the raw material cabin upper end
It is provided with opening, the compression pipe both ends connect the opening of the second compression bin side wall and opening for the raw material cabin upper end
Mouthful.
As a kind of preferred embodiment of the invention, second compression bin upper surface is provided with ventilation mouth, and passes through ventilation
Channel penetrates the experiment bin.
As a kind of preferred embodiment of the invention, second compression bin upper end is additionally provided with dark storehouse, the dark storehouse setting
Where the igniter between plane and second compression bin top surface.
As a kind of preferred embodiment of the invention, the dark orlop end opens up an aperture, and the aperture is for collecting combustion
The light of burning.
As a kind of preferred embodiment of the invention, the flame photometric detector includes monochromator, photomultiplier tube, optical filtering
Piece, power supply and amplifier.
As a kind of preferred embodiment of the invention, the monochromator and photomultiplier tube are set in the dark storehouse.
The present invention realize it is following the utility model has the advantages that
It can adequately be detected using the method that can constantly carry out detectable substance supplement so that detection time is elongated；Together
When, using the method for flame luminosity, the ingredient of food can be detected, carried out to solve existing detection device
When food selective examination detection, often only food macroscopic quality, foreign matter etc. are checked, without being detected to constituent；Together
When, detection time is often very short, and the problem of can not be repeatedly detected.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and consistent with the instructions for explaining the principles of this disclosure.
Fig. 1 is schematic diagram of the present invention；
Fig. 2 is raw material cabin schematic diagram；
Fig. 3 is experiment bin schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment one:
It is Fig. 1, Fig. 2, Fig. 3 with reference to figure.A kind of food composition ratio detection device using flame photometric detection, for according to fire
The vapor detection of flame luminosity progress food safety, comprising: pedestal 1, raw material cabin 2, experiment bin 3, flame photometric detector 4, it is described
Raw material cabin 2 is set to 1 upper end of pedestal, and the experiment bin 3 is set to 2 upper end of raw material cabin, the flame photometric detection
Device 4 is set to 3 upper end of experiment bin, and the raw material cabin 2 includes food powders feed inlet, solvent feed mouth, blender, first
Compression bin 5, atomising device 6, the food powders feed inlet and the solvent feed mouth are used to be added to the raw material cabin 2 tested
It surveys object and forms tested test agent, for detected object to be sufficiently mixed, first compression bin 5 compresses the blender
The compressed tested test agent is atomized by mixed tested test agent, the atomising device 6, the raw material cabin 2 and institute
It states experiment bin 3 to connect by compression pipe 7, the compression pipe 7 is used to compressed tested test agent spraying into the experiment
Storehouse 3, the experiment bin 3 include the second compression bin 8, air inlet, hydrogen pump 9, the hydrogen pump 9 be used for via the air inlet to
The tested test agent of the addition of experiment bin 3 hydrogen, the hydrogen and the atomization is mixed into final reagent, second compression
Storehouse 8 is combustion chamber, and 8 sidewall upper of the second compression bin is provided with igniter, second pressure of the detection of flame photometric detector 4
Combustion case in contracting storehouse 8.
As a kind of preferred embodiment of the invention, 8 lower end of the second compression bin is provided with piston device 10, the piston device
10 include telescopic shaft, and the telescopic shaft is for promoting the piston device 10.
As a kind of preferred embodiment of the invention, 8 side wall of the second compression bin is provided with opening, on the raw material cabin 2
End is provided with opening, 7 both ends of compression pipe connect 8 side wall of the second compression bin opening and 2 upper end of raw material cabin
Opening.
As a kind of preferred embodiment of the invention, 8 upper surface of the second compression bin is provided with ventilation mouth, and passes through ventilation
Channel penetrates the experiment bin 3.
As a kind of preferred embodiment of the invention, 8 upper end of the second compression bin is additionally provided with dark storehouse 11, the dark storehouse 11
Where being set to the igniter between plane and 8 top surface of the second compression bin.
As a kind of preferred embodiment of the invention, dark 11 bottom end of storehouse opens up an aperture, and the aperture is for collecting
The light of burning.
As a kind of preferred embodiment of the invention, the flame photometric detector 4 includes monochromator, photomultiplier tube, filter
Mating plate, power supply and amplifier.
As a kind of preferred embodiment of the invention, the monochromator and photomultiplier tube are set in the dark storehouse 11.
In the specific implementation process, when carrying out food safety detection, operator by preprepared food powders by
Food powders feed inlet is added, and the solvent that can dissolve the food powders is added by solvent feed mouth, and blender stirs food
Powder and solvent form the detection reagent of the solution of food, and detection reagent is compressed via the first compression bin 5, and passes through atomization
Compressed detection reagent is atomized by device 6；It is noted that will test the concentration of reagent for the boil down to of detection reagent
Increase, i.e., in the case where the amount of the food powders as solute is constant, the pressure of environment where detection reagent is increased
Operation so that solubility increase so that the food powders as solute largely dissolve into solvent.By the first compression bin 5
Compression and atomising device 6 atomization after, into compression pipe 7, compression pipe 7 again to the detection reagent after atomization into
Row pressurization, so that the detection reagent in compression pipe 7 has certain energy, when entering experiment bin 3 via compression pipe 7,
Compression pipe 7 is provided with nozzle in the position of connection experiment bin 3, and nozzle sprays the detection reagent repressurization with certain energy
Enter in the second compression bin 8 of experiment bin 3, at the same be added the second compression bin 8 also by hydrogen pump 9 pressurize and via air inlet
Into among the second compression bin 8；Second compression bin 8 is hyperbaric environment, and hydrogen is mixed with detection reagent under hyperbaric environment, Yi Beidian
The igniter of combustion, the setting of 8 sidewall upper of the second compression bin lights mixed final reagent.It is noted that for seat
Second compression bin 8 of combustion chamber, the face of 8 lower end of the second compression bin are provided centrally with telescopic shaft, are provided with piston on telescopic shaft
Device 10, when the second compression bin 8 compresses final reagent, stretch elongate axis, so that piston device 10 is slowly to the upper of the second compression bin 8
End movement, so that the space compression in the second compression bin 8, to pressurize to the final reagent sprayed into the second compression bin 8.
After igniter lights final reagent, the flame emission issued after final reagent burning goes out certain radiance, radiance diverging, flame
Photometric detector 4 obtains the radiance of diverging, and is further analyzed to the radiance of acquisition, according to the various luminosity in radiance
The acquisition of the corresponding chromatography of luminosity is carried out, and then carries out the drafting of chromatogram according to chromatography；The chromatographic column of the chromatogram of drafting is
The type of the corresponding element of the chromatography, the ratio of constituent content in the height ratio instant food of chromatographic column, according to the chromatography of drafting
The corresponding element species of the chromatographic column of figure and the ratio of constituent content further evaluate and test the food composition.
When being evaluated and tested, the light of the flame in the second compression bin 8 is passed in dark storehouse 11 from the aperture of dark 11 bottom end of storehouse,
In dark storehouse 11, light of the monochromator for generating to burning carries out the different progress colors of the color of the light according to different wave length
It distinguishes, the differentiation of color is the differentiation of the element of the color tie substance；After monochromator distinguishes color, corresponding light is via light
Electric multiplier tube multiplication, so that more convenient for the detection of light accurate；It is filtered again via optical filter further progress light, it is final to pass through
Amplified by amplifier, so that detection is more convenient.It is noted that due to the structure for using dark storehouse 11 and aperture, energy
The model of enough formation black body absorptions to a certain extent, carries out the evaluation and test of flame luminosity among dark storehouse 11, can be more quasi-
Really, it is not influenced by extraneous light.
After the evaluation and test that flame photometric detector 4 carries out food quality according to chromatogram enters stable state, judgement
When biggish change does not occur for the chromatogram of secondary evaluation and test, this time evaluation and test terminates for confirmation.
The above embodiments merely illustrate the technical concept and features of the present invention, and the purpose is to allow the skill for being familiar with the technical field
Art personnel can understand the content of the present invention and implement it accordingly, and can not be limited the scope of the invention with this.All bases
Equivalent changes or modifications made by spirit of the invention, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of food composition ratio detection device using flame photometric detection, for carrying out food safety according to flame luminosity
Vapor detection, comprising: pedestal, raw material cabin, experiment bin, flame photometric detector, the raw material cabin are set on the pedestal
End, the experiment bin are set to the raw material cabin upper end, and the flame photometric detector is set to the experiment bin upper end, special
Sign is: the raw material cabin includes food powders feed inlet, solvent feed mouth, blender, the first compression bin, atomising device, institute
It states food powders feed inlet and the solvent feed mouth is used to that detected object to be added to the raw material cabin and forms tested test
Agent, for the blender for detected object to be sufficiently mixed, first compression bin compresses mixed tested test agent, institute
It states atomising device to be atomized the compressed tested test agent, the raw material cabin and the experiment bin are connected by compression pipe
It connects, the compression pipe is used to spray into compressed tested test agent the experiment bin, and the experiment bin includes the second compression
Storehouse, air inlet, hydrogen pump, the hydrogen pump be used for via the air inlet to the experiment bin be added hydrogen, the hydrogen with
The tested test agent of the atomization is mixed into final reagent, and second compression bin is combustion chamber, the second compression bin side wall
Upper end is provided with igniter, and the flame photometric detector detects the combustion case in the second compression bin.
2. a kind of food composition ratio detection device using flame photometric detection according to claim 1, feature exist
In: second compression bin lower end is provided with piston device, and the piston device includes telescopic shaft, and the telescopic shaft is described for promoting
Piston device.
3. a kind of food composition ratio detection device using flame photometric detection according to claim 2, feature exist
In: the second compression bin side wall is provided with opening, and the raw material cabin upper end is provided with opening, the compression pipe both ends connection
The opening and the opening of the raw material cabin upper end of the second compression bin side wall.
4. a kind of food composition ratio detection device using flame photometric detection according to claim 3, feature exist
In: second compression bin upper surface is provided with ventilation mouth, and penetrates the experiment bin by channel of taking a breath.
5. a kind of food composition ratio detection device using flame photometric detection according to claim 1, feature exist
In: second compression bin upper end is additionally provided with dark storehouse, plane and described second where the dark storehouse is set to the igniter
Between compression bin top surface.
6. a kind of food composition ratio detection device using flame photometric detection according to claim 5, feature exist
In: the dark orlop end opens up an aperture, and the aperture is used to collect the light of burning.
7. a kind of food composition ratio detection device using flame photometric detection according to claim 6, feature exist
In: the flame photometric detector includes monochromator, photomultiplier tube, optical filter, power supply and amplifier.
8. a kind of food composition ratio detection device using flame photometric detection according to claim 7, feature exist
In: the monochromator and photomultiplier tube are set in the dark storehouse.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910139863.XA CN109781712A (en) | 2019-02-26 | 2019-02-26 | A kind of food composition ratio detection device using flame photometric detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910139863.XA CN109781712A (en) | 2019-02-26 | 2019-02-26 | A kind of food composition ratio detection device using flame photometric detection |
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| CN109781712A true CN109781712A (en) | 2019-05-21 |
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| CN101520443A (en) * | 2009-04-02 | 2009-09-02 | 北京东西分析仪器有限公司 | Flame luminosity detector |
| CN102967590A (en) * | 2012-11-13 | 2013-03-13 | 北京吉天仪器有限公司 | Direct sample introduction type method and instrument for simultaneously measuring mercury and cadmium |
| CN203786098U (en) * | 2014-03-20 | 2014-08-20 | 常州仪盟核芯仪器有限公司 | Flame photometric detector |
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Application publication date: 20190521 |