CN107389559A - The method that multiposition transmitted spectrum measures packed complicated solution component content - Google Patents
The method that multiposition transmitted spectrum measures packed complicated solution component content Download PDFInfo
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- CN107389559A CN107389559A CN201710529459.4A CN201710529459A CN107389559A CN 107389559 A CN107389559 A CN 107389559A CN 201710529459 A CN201710529459 A CN 201710529459A CN 107389559 A CN107389559 A CN 107389559A
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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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
Abstract
The invention discloses a kind of method that multiposition transmitted spectrum measures packed complicated solution component content, comprise the following steps：The light extraction optical port of light source is close to packaging bag with the entrance slit of spectrum acquisition device, and light source transmits to complicated solution sample, and displacement platform control light source is moved to multiple positions and complicated solution is transmitted, by spectrum acquisition device acquisition of transmission spectrum；By multiple opening position transmitted spectrum normalizeds, the Comparative result with existing chemical analysis, founding mathematical models；The transmitted spectrum of the multiple opening positions of complicated solution in unknown packaging bag is gathered, is normalized and brings mathematical modeling into and calculated, obtain the content that complicated solution surveys target component.Present invention inhibits the influence that complicated solution scattered band comes, information content is added, improves the precision of complicated solution component content analysis.
Description
Technical field
The present invention relates to spectrum complicated solution concentration analysis stoichiometry field, more particularly to a kind of multiposition transmitted spectrum
The method for measuring packed complicated solution component content.
Background technology
In the prior art, more ripe technology is that complicated solution composition in packaging bag is detected by way of chemical analysis
Content, there are the high outstanding advantages of accuracy, but the mode of chemical analysis needs to open the package and takes out sample and chemically examined,
Quick, non-contact, free of contamination demand can not be met.
Spectral detection contains because its non-contact, free of contamination characteristic is also possible to realize to complicated solution composition in packaging bag
The detection of amount.Due to the complexity of complicated solution composition, therefore there is strong scattering, its transmitted spectrum be it is nonlinear, for
This problem, method proposes a kind of method that multiposition transmitted spectrum measures packed complicated solution component content.
The content of the invention
The invention provides a kind of method that multiposition transmitted spectrum measures packed complicated solution component content, pole of the present invention
The big influence for inhibiting complicated solution scattered band, improves the analysis precision that complicated solution surveys target component concentration, refers to
It is described below：
A kind of method that multiposition transmitted spectrum measures packed complicated solution component content, methods described include following step
Suddenly：
The light extraction optical port of light source is close to packaging bag with the entrance slit of spectrum acquisition device, and light source enters to complicated solution sample
Row transmission, spectrum acquisition device acquisition of transmission spectrum；
Displacement platform control light source is moved to multiple positions, by spectrum acquisition device acquisition of transmission spectrum；
By the transmitted spectrum normalized of multiple opening positions, the Comparative result with existing chemical analysis, mathematical modulo is established
Type；
The transmitted spectrum of complicated solution in unknown packaging bag in multiple opening positions is gathered, mathematical modeling progress is brought in normalization into
Calculate, obtain the content that complicated solution surveys target component；
Methods described changes position by command displacement platform, and the packed complexity under same light source is gathered at diverse location
Solution transmitted spectrum；Solves the Non-Destructive Testing of packed complicated solution composition；
Multiple station acquisitions to transmitted spectrum increase complicated solution in all the components information content, suppress complicated solution dissipate
The influence brought is penetrated, improves the analysis precision that complicated solution surveys target component concentration.
Wherein, displacement platform control light source is moved to diverse location, the step of by spectrum acquisition device acquisition of transmission spectrum
Specially：
Light source transmits at a of position to complicated solution sample, by spectrum acquisition device acquisition of transmission spectrum；
Displacement platform control light source is moved to position b, by spectrum acquisition device acquisition of transmission spectrum；
Displacement platform control light source is moved to position n always, by spectrum acquisition device acquisition of transmission spectrum；
Or,
Light source transmits to the complicated solution sample in packaging bag, by spectrum acquisition device in position a acquisition of transmission
Spectrum；
Displacement platform control spectrum acquisition device is moved to position b, gathers the transmitted spectrum at the b of position；
Displacement platform control spectrum acquisition device is moved to position n always, gathers the transmitted spectrum at the n of position.
Wherein, methods described also includes：
One optical fiber is set at light source, as incident optical, and ensures the incident narrow of incident optical and spectrum acquisition device
Seam is close to packaging bag；
Or,
One optical fiber is set at spectrum acquisition device, as the output optical fiber, and ensures the output optical fiber and light source light extraction optical port
It is close to packaging bag；
Or,
Incident optical and the output optical fiber are set respectively at light source and spectrum acquisition device, and ensure incident optical and outgoing
Optical fiber is close to packaging bag.
Wherein, a positions are the first position of incident optical, and spectrum acquisition device gathers the transmitted light under the position
Spectrum；Control incident optical is moved at the b of position, and spectrum acquisition device gathers the transmitted spectrum under the position；Control incident optical
It is moved to always at the n of position, spectrum acquisition device gathers the transmitted spectrum under the position.
Wherein, a positions are the first position of the output optical fiber, and spectrum acquisition device gathers the transmitted light under the position
Spectrum；Control the output optical fiber is moved at the b of position, and spectrum acquisition device gathers the transmitted spectrum under the position；Control the output optical fiber
It is moved to always at the n of position, spectrum acquisition device gathers the transmitted spectrum under the position.
Further, the light source is super continuous wide range laser, the super continuous wide range laser covering visible light wave band or near
The combination of infrared band or both, it can directly send transmitted light or be conducted through incident optical.
Further, institute's translation stage is stepper motor；The spectrum acquisition device is spectrometer.
Further, the light source is xenon lamp wide spectrum light source or the bromine tungsten filament lamp wide spectrum light source xenon lamp wide spectrum light source or bromine tungsten filament lamp
The combination of wide spectrum light source covering visible light wave band or near infrared light wave band or both, can directly send transmitted light or through incident light
Fibre conduction；Institute's translation stage is magnet attraction device.
Mathematical modeling described above utilizes principal component analysis, artificial neural network, PLS, supporting vector
Machine, signal analysis or statistical method are established.
The beneficial effect of technical scheme provided by the invention is：
1st, the present invention changes position by command displacement platform, and the packed complexity under same light source is gathered at diverse location
Solution transmitted spectrum；
2nd, the present invention solves the problems, such as the Non-Destructive Testing of packed complicated solution composition, efficient, easy, pollution-free；
3rd, all the components are influenceed in by complicated solution, therefore spectrum can scatter in all directions, and multiple position measurements
Obtained transmitted spectrum adds the information content of all the components in complicated solution, greatly inhibits what complicated solution scattered band came
Influence, improve the analysis precision that complicated solution surveys target component concentration.
Brief description of the drawings
Fig. 1 is the method schematic diagram that multiposition transmitted spectrum measures packed complicated solution component content in embodiment 1；
Fig. 2 is another schematic diagram of method that multiposition transmitted spectrum measures packed complicated solution component content in embodiment 2；
Fig. 3 is another schematic diagram of method that multiposition transmitted spectrum measures packed complicated solution component content in embodiment 3；
Fig. 4 is another schematic diagram of method that multiposition transmitted spectrum measures packed complicated solution component content in embodiment 4；
Fig. 5 is another schematic diagram of method that multiposition transmitted spectrum measures packed complicated solution component content in embodiment 5；
Fig. 6 is another schematic diagram of method that multiposition transmitted spectrum measures packed complicated solution component content in embodiment 6.
In accompanying drawing, the list of parts representated by each label is as follows：
1：Light source； 2：Incident optical；
3：Packaging bag； 4：Displacement platform；
5：Spectrum acquisition device； 6：The output optical fiber；
a：First position； b：The second place；
n：N-th position.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, embodiment of the present invention is made below further
It is described in detail on ground.
Multiposition transmission spectrum method is that very big influence can be brought to spectral detection according to complicated solution strong scattering, and multiple
The transmitted spectrum that position measurement obtains adds the information content of all the components in complicated solution, greatly inhibits complicated solution to dissipate
The influence brought is penetrated, improves the analysis precision that complicated solution surveys target component concentration.
Embodiment 1
The method that multiposition transmitted spectrum provided in an embodiment of the present invention measures packed complicated solution component content, is used
To device as shown in figure 1, including：Light source 1, packaging bag 3, displacement platform 4 and spectrum acquisition device 5.
Wherein, ensure that the light extraction optical port of light source 1 is close to packaging bag 3 with the entrance slit of spectrum acquisition device 5, light source 1 is first
The complicated solution sample in packaging bag 3 is transmitted at a of position, by the acquisition of transmission spectrum of spectrum acquisition device 5.Then pass through
Displacement platform 4 controls light source 1 to be moved to second place b, and spectrum acquisition device 5 gathers the transmitted spectrum of the opening position, passes through position
Moving platform 4 controls light source 1 to be moved to always at the n of position, and spectrum acquisition device 5 gathers the transmitted spectrum under the position.
By the transmitted spectrum normalized of the how individual opening position collections of a, b ... n, method for normalizing is：
Ag=A/max (A) (1)
In formula (1), AgTo normalize absorbance, max (A) is the absorbance maximum on different wave length, and A is extinction
Degree.With the Comparative result of existing chemical analysis, utilize principal component analysis (PCA, principal component analysis)
Or artificial neural network (ANN, artificial neural network) or PLS (PLSR, particle
Least squares calibration analysis) or SVMs (SVM, support vector machines)
The methods of signal analysis or statistics, can founding mathematical models.
The step of embodiment of the present invention is to specific founding mathematical models do not repeat, known to those skilled in the art.
The transmitted spectrum of the how individual positions of complicated solution a, b ... n in unknown packaging bag is gathered, is normalized and brings above-mentioned build into
The mathematical modeling stood is calculated, and obtains the content that complicated solution surveys target component.
To the model of each device in addition to specified otherwise is done, the model of other devices is not limited the embodiment of the present invention,
As long as the device of above-mentioned function can be completed.
In summary, the embodiments of the invention provide a kind of multiposition transmitted spectrum to measure packed complicated solution component content
Method, solve the problems, such as the Non-Destructive Testing of packed complicated solution composition, it is efficient, easy, pollution-free；What multiposition measuring obtained
Transmitted spectrum adds the information content of all the components in complicated solution, the influence for greatly inhibiting complicated solution scattered band,
Improve the analysis precision that complicated solution surveys target component concentration.
Embodiment 2
The embodiment of the present invention differs only in embodiment 1, and the move mode of light source 1 and spectrum acquisition device 5 is not
Together, it is described below：
Referring to Fig. 2, ensure that the light extraction optical port of light source 1 is close to packaging bag 3, light source 1 with the entrance slit of spectrum acquisition device 5
Complicated solution sample in packaging bag 3 is transmitted, by spectrum acquisition device 5 in first position a acquisition of transmission spectrum.With
Control spectrum acquisition device 5 to be moved to second place b by displacement platform 4 afterwards, gather the transmitted spectrum at the b of the second place；It is logical
Crossing displacement platform 4 controls spectrum acquisition device 5 to be moved to always at the n of position, gathers the transmitted spectrum at the n of position.
Wherein, follow-up normalization, founding mathematical models and calculating complicated solution survey the step of the content of target component
Rapid same as Example 1, the embodiment of the present invention is not repeated this.
To the model of each device in addition to specified otherwise is done, the model of other devices is not limited the embodiment of the present invention,
As long as the device of above-mentioned function can be completed.
In summary, the embodiments of the invention provide a kind of multiposition transmitted spectrum to measure packed complicated solution component content
Method, solve the problems, such as the Non-Destructive Testing of packed complicated solution composition, it is efficient, easy, pollution-free；What multiposition measuring obtained
Transmitted spectrum adds the information content of all the components in complicated solution, the influence for greatly inhibiting complicated solution scattered band,
Improve the analysis precision that complicated solution surveys target component concentration.
Embodiment 3
During specific implementation, because space structure limits, it is possible that light source 1 can not be close to wrap with spectrum acquisition device 5
The situation of pack 3, at this moment can be by setting an optical fiber, as incident optical 2 respectively at light source 1 and spectrum acquisition device 5
With the output optical fiber 6.
Referring to Fig. 3, light source 1 is transmitted by incident optical 2 to the complicated solution sample in packaging bag 3, is connect by spectrum
Receiving apparatus 5 passes through the acquisition of transmission spectrum of the output optical fiber 6, and incident optical 2 is close to packaging bag 3 respectively with the output optical fiber 6, and a positions are
The first position of incident optical 2, spectrum acquisition device 5 gather the transmitted spectrum under the position；Then controlled by displacement platform 4
Incident optical 2 is moved at the b of the second place, and spectrum acquisition device 5 gathers the transmitted spectrum under the position；Pass through displacement platform 4
Control incident optical 2 is moved at the n of position always, and spectrum acquisition device 5 gathers the transmitted spectrum under the position.
Wherein, follow-up normalization, founding mathematical models and calculating complicated solution survey the step of the content of target component
Rapid same as Example 1, the embodiment of the present invention is not repeated this.
To the model of each device in addition to specified otherwise is done, the model of other devices is not limited the embodiment of the present invention,
As long as the device of above-mentioned function can be completed.
In summary, the embodiments of the invention provide a kind of multiposition transmitted spectrum to measure packed complicated solution component content
Method, solve the problems, such as the Non-Destructive Testing of packed complicated solution composition, it is efficient, easy, pollution-free；What multiposition measuring obtained
Transmitted spectrum adds the information content of all the components in complicated solution, the influence for greatly inhibiting complicated solution scattered band,
Improve the analysis precision that complicated solution surveys target component concentration.
Embodiment 4
The embodiment of the present invention is different only in that with embodiment 4, the output optical fiber 6, with first position a, second place b ... the
The setting of n positions is different, described below：
Referring to Fig. 4, light source 1 is transmitted by incident optical 2 to the complicated solution sample in packaging bag 3, is connect by spectrum
Receiving apparatus 5 passes through the acquisition of transmission spectrum of the output optical fiber 6, and incident optical 2 is close to packaging bag 3 respectively with the output optical fiber 6, and a positions are
The first position of the output optical fiber 6, spectrum acquisition device 5 gather the transmitted spectrum under the position；Then controlled by displacement platform 4
The output optical fiber 6 is moved at the b of the second place, and spectrum acquisition device 5 gathers the transmitted spectrum under the position；Pass through displacement platform 4
Control the output optical fiber 6 is moved at the n of position always, and spectrum acquisition device 5 gathers the transmitted spectrum under the position.
Wherein, follow-up normalization, founding mathematical models and calculating complicated solution survey the step of the content of target component
Rapid same as Example 1, the embodiment of the present invention is not repeated this.
To the model of each device in addition to specified otherwise is done, the model of other devices is not limited the embodiment of the present invention,
As long as the device of above-mentioned function can be completed.
In summary, the embodiments of the invention provide a kind of multiposition transmitted spectrum to measure packed complicated solution component content
Method, solve the problems, such as the Non-Destructive Testing of packed complicated solution composition, it is efficient, easy, pollution-free；What multiposition measuring obtained
Transmitted spectrum adds the information content of all the components in complicated solution, the influence for greatly inhibiting complicated solution scattered band,
Improve the analysis precision that complicated solution surveys target component concentration.
Embodiment 5
As different from Example 3, the embodiment only includes incident optical 2 to the embodiment of the present invention, described below：
Referring to Fig. 5, light source 1 is transmitted by incident optical 2 to the complicated solution sample in packaging bag 3, is connect by spectrum
The acquisition of transmission spectrum of receiving apparatus 5, incident optical 2 and the entrance slit of spectrum acquisition device 5 are close to packaging bag 3 respectively, a positions be into
The first position of optical fiber 2 is penetrated, spectrum acquisition device 5 gathers the transmitted spectrum under the position；Then by displacement platform 4 control into
Penetrate optical fiber 2 to be moved at the b of the second place, spectrum acquisition device 5 gathers the transmitted spectrum under the position；Controlled by displacement platform 4
Incident optical 2 processed is moved at the n of position always, and spectrum acquisition device 5 gathers the transmitted spectrum under the position.
Wherein, follow-up normalization, founding mathematical models and calculating complicated solution survey the step of the content of target component
Rapid same as Example 1, the embodiment of the present invention is not repeated this.
To the model of each device in addition to specified otherwise is done, the model of other devices is not limited the embodiment of the present invention,
As long as the device of above-mentioned function can be completed.
During specific implementation, can also according to the needs in practical application, to first position a, second place b ... positions n with
And mobile mode is set, i.e., can also include a variety of embodiments, the embodiment of the present invention is without limitation.
In summary, the embodiments of the invention provide a kind of multiposition transmitted spectrum to measure packed complicated solution component content
Method, solve the problems, such as the Non-Destructive Testing of packed complicated solution composition, it is efficient, easy, pollution-free；What multiposition measuring obtained
Transmitted spectrum adds the information content of all the components in complicated solution, the influence for greatly inhibiting complicated solution scattered band,
Improve the analysis precision that complicated solution surveys target component concentration.
Embodiment 6
As different from Example 3, the embodiment only includes the output optical fiber 6 to the embodiment of the present invention, described below：
Referring to Fig. 6, light source 1 transmits to the complicated solution sample in packaging bag 3, by spectrum acquisition device 5 by going out
The acquisition of transmission spectrum of optical fiber 6 is penetrated, light extraction optical port and the output optical fiber 6 of light source 1 are close to packaging bag 3 respectively, and a positions are light source 1
First position, the output optical fiber 6 gather the transmitted spectrum under the position；Subsequent command displacement platform 4 controls light source 1 to be moved to second
At the b of position, spectrum acquisition device 5 gathers the transmitted spectrum under the position；Command displacement platform 4 controls light source 1 to be moved to always
At the n of position, spectrum acquisition device 5 gathers the transmitted spectrum under the position.
Wherein, follow-up normalization, founding mathematical models and calculating complicated solution survey the step of the content of target component
Rapid same as Example 1, the embodiment of the present invention is not repeated this.
During specific implementation, can also according to the needs in practical application, to first position a, second place b ... positions n with
And mobile mode is set, i.e., can also include a variety of embodiments.
To the model of each device in addition to specified otherwise is done, the model of other devices is not limited the embodiment of the present invention,
As long as the device of above-mentioned function can be completed.
In summary, the embodiments of the invention provide a kind of multiposition transmitted spectrum to measure packed complicated solution component content
Method, solve the problems, such as the Non-Destructive Testing of packed complicated solution composition, it is efficient, easy, pollution-free；What multiposition measuring obtained
Transmitted spectrum adds the information content of all the components in complicated solution, the influence for greatly inhibiting complicated solution scattered band,
Improve the analysis precision that complicated solution surveys target component concentration.
Embodiment 7
Select, the scheme in above-described embodiment 1-6 is further introduced, light source 1 with reference to specific device
Can be super continuous wide range laser, the super continuous wide range laser covering visible light wave band or near infrared light wave band, or both group
Close, can directly send transmitted light or be conducted through incident optical 2.Displacement platform 4 is stepper motor, and spectrum acquisition device 5 is light
Spectrometer, it is described below：
As shown in figure 3, super continuous wide range laser 1 is carried out thoroughly by incident optical 2 to the complicated solution sample in packaging bag 3
Penetrate, the acquisition of transmission spectrum of the output optical fiber 6 is passed through by spectrometer 5, incident optical 2 is close to packaging bag 3, a positions respectively with the output optical fiber 6
The first position of incident optical 2 is set to, spectrometer 5 gathers the transmitted spectrum under the position；Then by stepper motor 4 control into
Penetrate optical fiber 2 to be moved at the b of the second place, spectrometer 5 gathers the transmitted spectrum under the position；Incidence is controlled by stepper motor 4
Optical fiber 2 is moved at the n of position always, and spectrometer 5 gathers the transmitted spectrum under the position.
Wherein, follow-up normalization, founding mathematical models and calculating complicated solution survey the step of the content of target component
Rapid same as Example 1, the embodiment of the present invention is not repeated this.
To the model of each device in addition to specified otherwise is done, the model of other devices is not limited the embodiment of the present invention,
As long as the device of above-mentioned function can be completed.
In summary, the embodiments of the invention provide a kind of multiposition transmitted spectrum to measure packed complicated solution component content
Method, solve the problems, such as the Non-Destructive Testing of packed complicated solution composition, it is efficient, easy, pollution-free；What multiposition measuring obtained
Transmitted spectrum adds the information content of all the components in complicated solution, the influence for greatly inhibiting complicated solution scattered band,
Improve the analysis precision that complicated solution surveys target component concentration.
Embodiment 8
As different from Example 7, light source 1 is bromine tungsten filament lamp wideband light source to the embodiment of the present invention, the bromine tungsten filament lamp wideband light source 1
The combination of covering visible light wave band or near infrared light wave band or both, can directly send transmitted light or be conducted through incident optical 2.
As shown in figure 3, bromine tungsten filament lamp wideband light source 1 is carried out thoroughly by incident optical 2 to the complicated solution sample in packaging bag 3
Penetrate, the acquisition of transmission spectrum of the output optical fiber 6 is passed through by spectrometer 5, incident optical 2 is close to packaging bag 3, a positions respectively with the output optical fiber 6
The first position of incident optical 2 is set to, spectrometer 5 gathers the transmitted spectrum under the position；Then by stepper motor 4 control into
Penetrate optical fiber 2 to be moved at the b of the second place, spectrometer 5 gathers the transmitted spectrum under the position；Incidence is controlled by stepper motor 4
Optical fiber 2 is moved at the n of position always, and spectrometer 5 gathers the transmitted spectrum under the position.
Wherein, follow-up normalization, founding mathematical models and calculating complicated solution survey the step of the content of target component
Rapid same as Example 1, the embodiment of the present invention is not repeated this.
To the model of each device in addition to specified otherwise is done, the model of other devices is not limited the embodiment of the present invention,
As long as the device of above-mentioned function can be completed.
In summary, the embodiments of the invention provide a kind of multiposition transmitted spectrum to measure packed complicated solution component content
Method, solve the problems, such as the Non-Destructive Testing of packed complicated solution composition, it is efficient, easy, pollution-free；What multiposition measuring obtained
Transmitted spectrum adds the information content of all the components in complicated solution, the influence for greatly inhibiting complicated solution scattered band,
Improve the analysis precision that complicated solution surveys target component concentration.
Embodiment 9
For the embodiment of the present invention unlike embodiment 7,8, light source 1 is xenon lamp wide spectrum light source, and the xenon lamp wide spectrum light source covers
Lid visible light wave range or near infrared light wave band, or both combination, can directly send transmitted light or be conducted through incident optical；Position
Shifting platform 4 is magnet attraction device, described below：
As shown in figure 3, xenon lamp wide spectrum light source 1 is carried out thoroughly by incident optical 2 to the complicated solution sample in packaging bag 3
Penetrate, the acquisition of transmission spectrum of the output optical fiber 6 is passed through by spectrometer 5, incident optical 2 is close to packaging bag 3, a positions respectively with the output optical fiber 6
The first position of incident optical 2 is set to, spectrometer 5 gathers the transmitted spectrum under the position；Then controlled by magnet attraction device 4
Incident optical 2 processed is moved at the b of the second place, and spectrometer 5 gathers the transmitted spectrum under the position；Pass through magnet attraction device 4
Control incident optical 2 is moved at the n of position always, and spectrometer 5 gathers the transmitted spectrum under the position.
Wherein, follow-up normalization, founding mathematical models and calculating complicated solution survey the step of the content of target component
Rapid same as Example 1, the embodiment of the present invention is not repeated this.
To the model of each device in addition to specified otherwise is done, the model of other devices is not limited the embodiment of the present invention,
As long as the device of above-mentioned function can be completed.
In summary, the embodiments of the invention provide a kind of multiposition transmitted spectrum to measure packed complicated solution component content
Method, solve the problems, such as the Non-Destructive Testing of packed complicated solution composition, it is efficient, easy, pollution-free；What multiposition measuring obtained
Transmitted spectrum adds the information content of all the components in complicated solution, the influence for greatly inhibiting complicated solution scattered band,
Improve the analysis precision that complicated solution surveys target component concentration.
Embodiment 10
For the embodiment of the present invention unlike above-described embodiment 7,8,9, needs of the light source 1 in practical application can be with
Other mobile devices can also be used using the light source of other models, displacement platform 4, spectrum acquisition device 5 can also use
Other reception devices.During specific implementation, the embodiment of the present invention is not limited to the model of above-mentioned device.
The embodiment of the present invention is not restricted to position a, position b ... positions n and move mode etc., as long as this hair can be realized
The function of bright embodiment, within the protection domain of the application.
In summary, the embodiments of the invention provide a kind of multiposition transmitted spectrum to measure packed complicated solution component content
Method, solve the problems, such as the Non-Destructive Testing of packed complicated solution composition, it is efficient, easy, pollution-free；What multiposition measuring obtained
Transmitted spectrum adds the information content of all the components in complicated solution, the influence for greatly inhibiting complicated solution scattered band,
Improve the analysis precision that complicated solution surveys target component concentration.
Claims (9)
1. a kind of method that multiposition transmitted spectrum measures packed complicated solution component content, it is characterised in that methods described bag
Include following steps：
The light extraction optical port of light source is close to packaging bag with the entrance slit of spectrum acquisition device, and light source carries out saturating to complicated solution sample
Penetrate, spectrum acquisition device acquisition of transmission spectrum；
Displacement platform control light source is moved to multiple positions, by spectrum acquisition device acquisition of transmission spectrum；
By the transmitted spectrum normalized of multiple opening positions, the Comparative result with existing chemical analysis, founding mathematical models；
The transmitted spectrum of complicated solution in unknown packaging bag in multiple opening positions is gathered, normalization is brought mathematical modeling into and counted
Calculate, obtain the content that complicated solution surveys target component；
Methods described changes position by command displacement platform, and the packed complicated solution under same light source is gathered at diverse location
Transmitted spectrum；Solves the Non-Destructive Testing of packed complicated solution composition；
Multiple station acquisitions to transmitted spectrum increase complicated solution in all the components information content, suppress complicated solution scattered band
The influence come, improve the analysis precision that complicated solution surveys target component concentration.
2. the method that a kind of multiposition transmitted spectrum according to claim 1 measures packed complicated solution component content, its
It is characterised by, displacement platform control light source is moved to diverse location, specific the step of by spectrum acquisition device acquisition of transmission spectrum
For：
Light source transmits at a of position to complicated solution sample, by spectrum acquisition device acquisition of transmission spectrum；
Displacement platform control light source is moved to position b, by spectrum acquisition device acquisition of transmission spectrum；
Displacement platform control light source is moved to position n always, by spectrum acquisition device acquisition of transmission spectrum；
Or,
Light source transmits to the complicated solution sample in packaging bag, by spectrum acquisition device in position a acquisition of transmission spectrum；
Displacement platform control spectrum acquisition device is moved to position b, gathers the transmitted spectrum at the b of position；
Displacement platform control spectrum acquisition device is moved to position n always, gathers the transmitted spectrum at the n of position.
3. the method that a kind of multiposition transmitted spectrum according to claim 1 or 2 measures packed complicated solution component content,
Characterized in that, methods described also includes：
One optical fiber is set at light source, as incident optical, and ensures that the entrance slit of incident optical and spectrum acquisition device is tight
Paste packaging bag；
Or,
One optical fiber is set at spectrum acquisition device, as the output optical fiber, and ensures that the output optical fiber is close to light source light extraction optical port
Packaging bag；
Or,
Incident optical and the output optical fiber are set respectively at light source and spectrum acquisition device, and ensure incident optical and the output optical fiber
It is close to packaging bag.
4. the method that a kind of multiposition transmitted spectrum according to claim 3 measures packed complicated solution component content, its
It is characterised by,
A positions are the first position of incident optical, and spectrum acquisition device gathers the transmitted spectrum under the position；Control incident optical
It is moved at the b of position, spectrum acquisition device gathers the transmitted spectrum under the position；Control incident optical is moved to position n always
Place, spectrum acquisition device gather the transmitted spectrum under the position.
5. the method that a kind of multiposition transmitted spectrum according to claim 3 measures packed complicated solution component content, its
It is characterised by,
A positions are the first position of the output optical fiber, and spectrum acquisition device gathers the transmitted spectrum under the position；Control the output optical fiber
It is moved at the b of position, spectrum acquisition device gathers the transmitted spectrum under the position；Control the output optical fiber is moved to position n always
Place, spectrum acquisition device gather the transmitted spectrum under the position.
6. the method that a kind of multiposition transmitted spectrum according to claim 3 measures packed complicated solution component content, its
It is characterised by, the light source is super continuous wide range laser, the super continuous wide range laser covering visible light wave band or near-infrared light waves
Section, or both combination, can directly send transmitted light or be conducted through incident optical.
7. the method that a kind of multiposition transmitted spectrum according to claim 3 measures packed complicated solution component content, its
It is characterised by, institute's translation stage is stepper motor；The spectrum acquisition device is spectrometer.
8. the method that a kind of multiposition transmitted spectrum according to claim 3 measures packed complicated solution component content, its
It is characterised by, the light source is xenon lamp wide spectrum light source or bromine tungsten filament lamp wide spectrum light source, the xenon lamp wide spectrum light source or bromine tungsten filament lamp wide spectrum optical
Source covering visible light wave band or near infrared light wave band or, both combinations, can directly send transmitted light or be passed through incident optical
Lead；Institute's translation stage is magnet attraction device.
9. a kind of multiposition transmitted spectrum according to any claim in claim 1-3 measure packed complicated solution into
Divide the method for content, it is characterised in that
The mathematical modeling utilizes principal component analysis, artificial neural network, PLS, SVMs, signal point
Analysis or statistical method are established.
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