CN110057768A - A kind of detection method of full-service fluid characterisitic parameter - Google Patents
A kind of detection method of full-service fluid characterisitic parameter Download PDFInfo
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- CN110057768A CN110057768A CN201910421537.8A CN201910421537A CN110057768A CN 110057768 A CN110057768 A CN 110057768A CN 201910421537 A CN201910421537 A CN 201910421537A CN 110057768 A CN110057768 A CN 110057768A
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- G—PHYSICS
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- 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
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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Abstract
The invention discloses a kind of detection methods of full-service fluid characterisitic parameter, belong to liquid detecting field.Light is inputted liquid by using fiber-optic signal by the detection method of the full-service fluid characterisitic parameter, and is transferred to optical fiber drop detection position and micro spectrometer is detected, and can carry out simultaneously the liquid detecting of two ways, and will test Data Integration analysis.In the identification for carrying out liquid overall characteristic by fiber fingerprint drop trace, spectral absorption information is used to enhance recognition capability as the auxiliary information of fiber fingerprint drop trace identification liquid overall characteristic variation；In the quantitative analysis measurement for carrying out characteristic parameters of liquid by spectral absorption information, fiber fingerprint drop trace is used to improve detection accuracy as the supplemental information of micro spectral standard measure detection characteristic parameters of liquid.
Description
Technical field
The present invention relates to liquid detecting field, specially a kind of detection method of full-service fluid characterisitic parameter.
Background technique
Liquid drop analysis method refers under the conditions of certain test macro, during fluid to be measured forms drop, uses
Various means are implemented to monitor to tested drop, to obtain the Wuli-Shili-Renli system approach parameter in relation to the fluid to be measured, carry out to liquid
Method for distinguishing is known in qualitative and quantization.It can directly or indirectly measure a variety of Wuli-Shili-Renli system approach parameters of liquid simultaneously；Such as:
Surface tension, refractive index, viscosity, absorbance, turbidity, color, concentration, evaporation rate, the chemical component of liquid and related liquid
Body electrical characteristic parameter.
The quantitative analysis measurement that characteristic parameters of liquid can only be carried out when present micro spectral figure method detection liquid, can not
Liquid overall characteristic is detected.
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of detection methods of full-service fluid characterisitic parameter, solve
Present liquid detecting is detected using micro spectral figure, and when detection can only carry out the quantitative analysis of characteristic parameters of liquid
Measurement, the problem of can not being detected to liquid overall characteristic.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of detection side of full-service fluid characterisitic parameter
Method, comprising the following steps:
A, liquid to be detected is inputted flowing sample cell by starting solution feed pump, and liquid flows into liquid storage container from the flowing sample cell
It is interior；
B, light source starting is conveyed by optical fiber, and light is delivered to the flowing sample cell respectively and by defeated by optical fiber
Enter optical fiber to be transferred in the liquid storage container；
C, into the light signal in the liquid storage container from the input optical fibre by being transferred to output after prepare liquid
Optical fiber；
D, the output optical fibre is transferred to light conversion element for light signal is received, which believes light
Number being transferred to fiber-optic signal processing circuit carries out processing analysis；
E, the fiber-optic signal after the fiber-optic signal processing circuit processes is converted and is transmitted by capture card
To computer；
F, micro spectrometer is transferred to by optical fiber by the light signal of the flowing sample cell and carries out light signal inspection
It surveys；
G, computer is transferred to after micro spectrometer detection light signal carry out data analysis.
Solution feed pump described in the step A passes through capillary when inputting the flowing sample cell.
Pass through capillary when liquid flows into the liquid storage container from the flowing sample cell in the step A.
The fiber-optic signal is handled and extracts three-dimensional drop fingerprint image and liquid by data analysis in the step G
The feature of fingerprint image analyzes individual event indicator liquid, while integrating the micro spectrometer and receiving spectral signal progress overall merit,
To carry out quantitative detection to liquid.
The step E realization is the subtle identification of the overall characteristic of liquid.
The step F measure be characteristic parameters of liquid quantitative data.
(3) beneficial effect
The present invention provides a kind of detection methods of full-service fluid characterisitic parameter.Have it is following the utility model has the advantages that
(1) in the identification for carrying out liquid overall characteristic by fiber fingerprint drop trace, use spectral absorption information as light
The auxiliary information of fine Liquid Drop Trace identification liquid overall characteristic variation, enhances recognition capability；
(2) in the quantitative analysis measurement for carrying out characteristic parameters of liquid by spectral absorption information, referred to using optical fiber drop
Supplemental information of the line figure as micro spectral standard measure detection characteristic parameters of liquid, improves detection accuracy.
Detailed description of the invention
Fig. 1 is the principle of the present invention flow chart；
Fig. 2 is detection device flow chart of the invention.
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.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As Figure 1-Figure 2, the present invention provides a kind of detection method of full-service fluid characterisitic parameter, including following step
It is rapid:
A, liquid to be detected is flowed into flowing sample cell by starting solution feed pump, and liquid flows into liquid storage container from the flowing sample cell
It is interior；
B, light source starting is conveyed by optical fiber, and light is delivered to flowing sample cell respectively and passes through input light by optical fiber
Fibre is transferred in liquid storage container；
C, into the light signal in liquid storage container from input optical fibre by being transferred to output optical fibre after prepare liquid；
D, output optical fibre is transferred to light conversion element for light signal is received, which passes light signal
It is defeated to carry out processing analysis to fiber-optic signal processing circuit；
E, the fiber-optic signal after fiber-optic signal processing circuit processes is converted by capture card and is transferred to meter
Calculation machine；
F, micro spectrometer progress light signal detection is transferred to by optical fiber by flowing the light signal of sample cell；
G, computer is transferred to after micro spectrometer detection light signal carry out data analysis.
Pass through capillary when solution feed pump input flowing sample cell in step A；
Pass through capillary when liquid flows into liquid storage container from the flowing sample cell in step A；
Liquid conveying is carried out using capillary, reduce liquid is influenced by air pressure during transportation.
Fiber-optic signal is handled and is extracted three-dimensional drop fingerprint image and Liquid Drop Trace by data analysis in step G
Feature, analyze individual event indicator liquid, while integrating micro spectrometer receive spectral signal carry out overall merit, thus to liquid into
Row quantitative detection.
In the identification for carrying out liquid overall characteristic by fiber fingerprint drop trace, use spectral absorption information as optical fiber liquid
The auxiliary information for dripping fingerprint image identification liquid overall characteristic variation, enhances recognition capability；Liquid is being carried out by spectral absorption information
When the quantitative analysis measurement of bulk properties parameter, use fiber fingerprint drop trace as micro spectral standard measure detection characteristics of liquids ginseng
Several supplemental informations improves detection accuracy.
It is understood that the principle of fiber drop analysis method is to enter the optical fiber of drop by two root cuttings respectively by light guide
Enter drop and obtain the optical signal after drop reflection, absorbing, thus obtains receiving the curve that light intensity changes over time, it is anti-
It reflects the multifrequency nature of liquid and there is uniqueness under certain conditions, referred to as " fiber fingerprint drop trace ", the liquid of this method is known
Other ability is strong, has been used in the fields such as test wine, edible oil, acid rain and pollution of estuary.Its precision have reached can distinguish it is same
The level of the wine of the same brand various years production of producer.This method will realize liquid overall characteristic based on fiber fingerprint drop trace
Subtle identification.
Specifically, micro spectral analysis method can obtain micro spectral map.The characteristics of micro spectrometer be structure it is simple,
It is functional, low in cost.The ingredient of sample is being detected it is known that and micro spectrometer service band includes the absorption of the ingredient
When wavelength, the quantitative analysis measurement of characteristic parameters of liquid can be carried out.
In conclusion micro spectral liquid drop analysis method is melting for micro spectral analysis method and fiber drop analysis method
It closes.This method will obtain simultaneously the fiber fingerprint drop trace and micro spectral figure of liquid based on micro spectral liquid drop analysis method,
The two is subjected to information processing and obtains three-dimensional drop fingerprint image.On the one hand, liquid overall characteristic is carried out with fiber fingerprint drop trace
Subtle identification, at this point, spectral absorption information as fiber fingerprint drop trace identification liquid overall characteristic variation auxiliary information,
Enhance recognition capability；On the other hand, the quantitative analysis measurement that characteristic parameters of liquid is carried out with spectral absorption information, at this point, optical fiber
Supplemental information of the Liquid Drop Trace as micro spectral standard measure detection characteristic parameters of liquid, improves detection accuracy.
So the general thought of this method is the first step, three-dimensional drop fingerprint image is acquired according to testing liquid, is then led to
It crosses three-dimensional drop fingerprint image to extract the feature of three-dimensional drop fingerprint image and recorded, then can establish individual event indicator liquid
Detection model finally establishes the detection model of overall merit characteristics of liquids.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of detection method of full-service fluid characterisitic parameter, comprising the following steps:
A, liquid to be detected is inputted flowing sample cell by starting solution feed pump, and liquid flows into liquid storage container from the flowing sample cell；
B, light source starting is conveyed by optical fiber, and light is delivered to the flowing sample cell respectively and passes through input light by optical fiber
Fibre is transferred in the liquid storage container；
C, into the light signal in the liquid storage container from the input optical fibre by being transferred to output optical fibre after prepare liquid；
D, the output optical fibre is transferred to light conversion element for light signal is received, which passes light signal
It is defeated to carry out processing analysis to fiber-optic signal processing circuit；
E, the fiber-optic signal after the fiber-optic signal processing circuit processes is converted by capture card and is transferred to meter
Calculation machine；
F, micro spectrometer is transferred to by optical fiber by the light signal of the flowing sample cell and carries out light signal detection；
G, computer is transferred to after micro spectrometer detection light signal carry out data analysis.
2. a kind of detection method of full-service fluid characterisitic parameter according to claim 1, it is characterised in that: the step
Solution feed pump described in A passes through capillary when inputting the flowing sample cell.
3. a kind of detection method of full-service fluid characterisitic parameter according to claim 1, it is characterised in that: the step
Pass through capillary when liquid flows into the liquid storage container from the flowing sample cell in A.
4. a kind of detection method of full-service fluid characterisitic parameter according to claim 1, it is characterised in that: the step
The fiber-optic signal is handled and is extracted the feature of three-dimensional drop fingerprint image and Liquid Drop Trace by data analysis in G, point
Individual event indicator liquid is analysed, while integrating the micro spectrometer and receiving spectral signal progress overall merit, to be carried out to liquid
Quantitative detection.
5. a kind of detection method of full-service fluid characterisitic parameter according to claim 1, it is characterised in that: the step
E realization is the subtle identification of the overall characteristic of liquid.
6. a kind of detection method of full-service fluid characterisitic parameter according to claim 1, it is characterised in that: the step
F measure be characteristic parameters of liquid quantitative data.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117214125A (en) * | 2023-11-09 | 2023-12-12 | 南京盛略科技有限公司 | Liquid component detection system and method based on detection optical fiber |
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| CN203720096U (en) * | 2014-01-10 | 2014-07-16 | 东北林业大学 | Droplet analysis device |
| CN107917901A (en) * | 2017-11-01 | 2018-04-17 | 青岛大学 | A kind of method and apparatus of fluid sample elemental composition on-line checking |
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2019
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Patent Citations (4)
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| CN1337574A (en) * | 2001-06-19 | 2002-02-27 | 天津大学 | Photoelectronic analyzer based on the volume of drop |
| CN103163579A (en) * | 2013-03-19 | 2013-06-19 | 陕西科技大学 | Liquid slit grating, liquid identifying device and liquid identifying method |
| CN203720096U (en) * | 2014-01-10 | 2014-07-16 | 东北林业大学 | Droplet analysis device |
| CN107917901A (en) * | 2017-11-01 | 2018-04-17 | 青岛大学 | A kind of method and apparatus of fluid sample elemental composition on-line checking |
Non-Patent Citations (3)
| Title |
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| 冯国红 等: "光纤液滴分析技术对红松和白松树种的识别", 《东北林业大学学报》 * |
| 冯国红: "液滴分析与水质定量检测的研究", 《中国博士学位论文全文数据库 工程科技Ⅰ辑》 * |
| 陈海秀 等: "光谱液滴分析系统设计", 《天津大学学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117214125A (en) * | 2023-11-09 | 2023-12-12 | 南京盛略科技有限公司 | Liquid component detection system and method based on detection optical fiber |
| CN117214125B (en) * | 2023-11-09 | 2024-01-26 | 南京盛略科技有限公司 | Liquid component detection system and method based on detection optical fiber |
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