CN105954203A - Amplifying circuit-based optical property water quality monitoring system - Google Patents
Amplifying circuit-based optical property water quality monitoring system Download PDFInfo
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- CN105954203A CN105954203A CN201610272359.3A CN201610272359A CN105954203A CN 105954203 A CN105954203 A CN 105954203A CN 201610272359 A CN201610272359 A CN 201610272359A CN 105954203 A CN105954203 A CN 105954203A
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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
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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
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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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
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
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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
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
- G01N2021/3155—Measuring in two spectral ranges, e.g. UV and visible
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/12—Circuits of general importance; Signal processing
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- Health & Medical Sciences (AREA)
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses an amplifying circuit-based optical property water quality monitoring system, which comprises a data collection terminal and a data monitoring terminal connected with the data collection terminal. The data collection terminal comprises a spectroradiometer, an underwater spectrometer, a water absorption/attenuation measurement instrument, a water body backward scattering measurement instrument, an ultraviolet-visible spectrophotometer, an analog-to-digital conversion circuit, an amplifying circuit, a controller module, a data transmission module and a power supply module. The data monitoring terminal comprises a memory module, a display module, a clock module, a processor module and a radio frequency identification module. The above multifunctional instruments are integrated as a whole, so that one single instrument is capable of detecting various parameters. Therefore, the system is convenient in application. The problems that due to the fact that the data processing operations of various instruments are mutually independent, the data of various instruments cannot be mutually checked and associated, the data processing efficiency is low and error-prone, and a large number of measured optical data cannot be processed can be avoided effectively.
Description
Technical field
The present invention relates to a kind of water quality acquisition processing system, particularly relate to a kind of optical characteristics water quality based on amplifying circuit
Monitoring system, belongs to field of water quality detection.
Background technology
Breeding water is owing to being affected by mankind's activity and other factors, and the material causing entry into water body has exceeded water
Body self-purification capacity, causes water quality deterioration, has influence on water body purposes.Main pollutant have: heavy metal contaminants, nonmetal
Inorganic toxic pollutant, toxic organic compound, oxygen consumption organic, acid, alkali pollution thing, these all can have a strong impact on sending out of aquaculture
Exhibition.In consideration of it, industry develops multiple-quality water detection equipment, but the comprehensive detection ability of this kind equipment is the most not enough, detection
Parameter
The most single, and data be unfavorable for transmit.
Water quality monitoring is the Main Basis of water quality assessment and water prevention and cure of pollution, day by day serious along with water pollution problem,
Water quality monitoring becomes the significant problem that Sustainable Socioeconomic Development must solve.Therefore, water quality monitoring the most accurately is the most aobvious
Obtain particularly important.The appearance of remote sensing technology and development, provide new opportunity and selection to the monitoring and evaluation of water quality.Water environment is distant
Sense is with remote sensing technology for relying on, reflected by analyzing water body, absorb and diffusesolarradiation energy and the spectral signature that formed with
Relation between water quality parameter concentration, sets up what water quality parameter inversion algorithm realized.Satellite remote sensing information is utilized to carry out large area
In the range of the spatial distribution of the important polluter of water body and dynamic quantitative analysis, it is possible to make up routine sampling to a certain extent
Observation time space interval is big and the defect that wastes time and energy and difficulty, can reflect water quality distribution on room and time and change feelings
Condition, finds polluter and contaminant transportation feature that some conventional methods are difficult to disclose, has that monitoring range is wide, speed fast, becomes
This is low and is convenient for the advantage that long-term dynamics is monitored.Therefore, application remote sensing technology carries out water quality study mechanism, and then research water
The Appropriate application of resource and protection, caused the growing interest of various countries, become current international, domestic remote sensing circle study hotspot and
One of difficult point.
At present, the domestic scientific research institutions of such instrument and equipment, the institution of higher learning etc. of having also are continuously increased, such as the Chinese Academy of Sciences
Remote sensing institute, national marine institute, South Sea institute of oceanography, Nanjing geography are with research of lakes institute, Wuhan University, East China normal school greatly
Many the units such as, Nanjing University, Yancheng Teachers College have had such measurement equipment the most, but, owing to distinct device is not by
Same manufacturer production, its spectral resolution, receptance function etc. have very big difference, and instrument data measured directly generally require
Through processing and could deposit in spectral database as the spectrum with optical significance after conversion.At present almost without specially
Industry, general software system process its measured data.The software place pre-to measured signal that researcher generally uses instrument to carry
After reason is converted into the spectral signal with optical significance, carry out at data in conjunction with such as the mathematical statistics softwares such as SPSS, EXCEL
Reason.Part researcher needs for self, develops for the algorithm etc. of a certain instrument data, a certain water quality parameter and is only applicable to
The functional module that certain research, even certain flow chart of data processing need, these functional modules are the most incompatible, not architectonical,
Most simply by single model algorithm computer programing.Therefore, the process of each instrument and equipment data is separate, it is difficult to real
Mutually checking and associating between existing data, the efficiency that data process is low and error-prone, it is impossible to meets and surveys optical data in a large number
Process problem.
Summary of the invention
It is a kind of based on amplifying circuit that the technical problem to be solved is that the deficiency for background technology provides
Optical characteristics water quality monitoring system.
The present invention solves above-mentioned technical problem by the following technical solutions
A kind of optical characteristics water quality monitoring system based on amplifying circuit, comprises data collection station and connected data
Monitor terminal, after described data collection station comprises spectral radiometer, Underwater Optical spectrometer, water body absorption/attenuation meter, water body
To scatterometry instrument, ultraviolet-uisible spectrophotometer, analog to digital conversion circuit, amplifying circuit, controller module, data transmission mould
Block, power module, described spectral radiometer, Underwater Optical spectrometer, water body absorption/attenuation meter, water body back scattering measuring instrument,
Ultraviolet-uisible spectrophotometer passes sequentially through analog to digital conversion circuit respectively, amplifying circuit connects controller module, and described data pass
Defeated module, power module are connected on controller module corresponding port；Described data monitoring terminal comprise memory module,
Display module, clock module, processor module, radio frequency identification module, described memory module, display module, clock module, penetrate
Frequently identification module is connected with processor module respectively；
Described amplifying circuit includes LNA, power splitter, the first wave filter, the second wave filter, the first amplifier, the second amplifier, conjunction
Grow up to be a useful person, the 3rd amplifier and the 3rd wave filter, wherein, the outfan of LNA connects the input of power splitter, and power splitter is defeated
Going out end and connect the input of first and second wave filter respectively, the outfan of described first and second wave filter is put via first and second respectively
Big device connects the input of synthesizer, and the outfan of this synthesizer connects the input of the 3rd wave filter via the 3rd amplifier.
As the further preferred scheme of a kind of optical characteristics water quality monitoring system based on amplifying circuit of the present invention, described
Spectral radiometer uses HydroRad EO-1 hyperion radiometer.
As the further preferred scheme of a kind of optical characteristics water quality monitoring system based on amplifying circuit of the present invention, described
Underwater Optical spectrometer uses RAMSES-ARC Underwater Optical spectrometer.
As the further preferred scheme of a kind of optical characteristics water quality monitoring system based on amplifying circuit of the present invention, described
Water body absorption/attenuation meter uses AC-S water body light absorption-attenuation meter.
As the further preferred scheme of a kind of optical characteristics water quality monitoring system based on amplifying circuit of the present invention, described
Water body back scattering measuring instrument uses HydroScat-6P water body back scattering measuring instrument.
As the further preferred scheme of a kind of optical characteristics water quality monitoring system based on amplifying circuit of the present invention, described
Ultraviolet-uisible spectrophotometer uses 1901 series ultraviolet visible spectrophotometer.
The present invention uses above technical scheme compared with prior art, has following technical effect that
1, the present invention collects multi-functional each instrument and equipment and is detected on one, and an instrument can detect many kinds of parameters, and application is convenient, and two
Being that the unified extraction being convenient for measuring signal processes, three is the analysis precision that improve water quality, the sexual valence the most also substantially increased
Ratio；Effectively avoid because the process of each instrument and equipment data is separate, it is difficult to realize mutually checking and associating between data,
The efficiency that data process is low and error-prone, it is impossible to meet a large amount of process problem surveying optical data.
2, the present invention is additionally provided with clock module and data memory module, by data memory module real-time storage microcontroller
Module sends detection instruction every detection parameter of water quality treatment, stores the time by clock module real time record, effectively
Avoid the loss of data brought because of instrument failure.
Accompanying drawing explanation
Fig. 1 is present configuration block diagram；
Fig. 2 is data collection station structure chart of the present invention；
Fig. 3 is data monitoring terminal structure figure of the present invention；
Fig. 4 is the circuit diagram of amplifying circuit of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings technical scheme is described in further detail:
As it is shown in figure 1, a kind of optical characteristics water quality monitoring system based on amplifying circuit, comprise data collection station and and its
The data monitoring terminal connected；
As in figure 2 it is shown, described data collection station comprise spectral radiometer, Underwater Optical spectrometer, water body absorption/attenuation meter,
Water body back scattering measuring instrument, ultraviolet-uisible spectrophotometer, analog to digital conversion circuit, amplifying circuit, controller module, data pass
Defeated module, power module, described spectral radiometer, Underwater Optical spectrometer, water body absorption/attenuation meter, water body back scattering are surveyed
Amount instrument, ultraviolet-uisible spectrophotometer pass sequentially through analog to digital conversion circuit respectively, amplifying circuit connects controller module, described number
It is connected on controller module corresponding port according to transport module, power module；Described spectral radiometer, Underwater Optical spectrometer,
The information parameter that water body absorption/attenuation meter, water body back scattering measuring instrument, ultraviolet-uisible spectrophotometer will gather respectively
Transmission to controller module through first data transmission module transfer to data processing terminal；As shown in Figure 4, described amplifying circuit
Including LNA, power splitter, the first wave filter, the second wave filter, the first amplifier, the second amplifier, synthesizer, the 3rd amplifier
With the 3rd wave filter, wherein, the outfan of LNA connects the input of power splitter, and the outfan of power splitter connects the respectively
One, the input of two wave filter, the outfan of described first and second wave filter connects synthesizer via first and second amplifier respectively
Input, the outfan of this synthesizer via the 3rd amplifier connect the 3rd wave filter input.
As it is shown on figure 3, described data monitoring terminal comprises memory module, display module, clock module, processor die
Block, radio frequency identification module, described memory module, display module, clock module, radio frequency identification module respectively with processor module
Connect.Described processor module is for storing result by data memory module, and clock module is for note in real time
The address book stored time.
Described data collection station is connected by wireless network with data processing terminal, and described spectral radiometer uses
HydroRad EO-1 hyperion radiometer, described Underwater Optical spectrometer uses RAMSES-ARC Underwater Optical spectrometer, and described water body absorbs/declines
Subtracting measuring instrument and use AC-S water body light absorption-attenuation meter, described water body back scattering measuring instrument uses HydroScat-6P
Water body back scattering measuring instrument, described ultraviolet-uisible spectrophotometer uses 1901 series ultraviolet visible spectrophotometer, described
Controller module and processor module all use AVR series monolithic, described first data transmission module and the transmission of the second data
Module all uses GPRS wireless data transfer module.
Wherein said spectral radiometer, Underwater Optical spectrometer, water body absorption/attenuation meter, water body back scattering measuring instrument, ultraviolet
The specific works of visible spectrophotometer is as follows:
Spectral radiometer, described spectral radiometer uses HydroRad EO-1 hyperion radiometer: obtain water surface spectrum number by observation
According to, including instrument face toward surface measurement obtain measured value, instrument facing to sky measure obtain measured value, instrument face screening
The diffuse-reflectance reference plate before and after direct light of keeping off the sunshine measures the measured value obtained；Utilize the data that spectral radiometer obtains, calculate
Derive the water surface total incident irradiance degree, from water spoke brightness, Remote Sensing Reflectance, be located just at the irradiance ratio of below the water surface；At water body
In to carry out a difficult point of long-time optical measurement be biological pollution, usual instrument the most just has the biologies such as algae
Cover on instrument surface, particularly optical instrument, as long as there being thing attachment will produce measurement error on camera lens.HOBILabs
Company measures for a long time for convenience of spectrum under water, adds HydroShutter-HR antifouling system on the basis of HydroRad.
HydroShutter-HR antifouling system is specifically designed to optical-fiber type HydroRad optical pickocff and HydroRad-ES1, copper
Shutter is covered in sensor surface, protects camera lens by Electronic control, and before sampling every time, shutter automatically opens up, and sampling completes
After, shutter revolving coverage method sensor, thus enable the sensor to measure the most for a long time and dirty by plankton
Dye.
Underwater Optical spectrometer, for observing acquisition water surface and the up spoke brightness of the following different depth of water surface, descending spoke
Illumination；
Utilize the data that Underwater Optical spectrometer obtains, calculate and derive unrestrained attenuation quotient, normalization from water spoke brightness, the following spoke of water surface
Illumination ratio and the following Remote Sensing Reflectance of water surface；RAMSES-ARC Underwater Optical spectrometer: RAMSES series sensor gathers mesh
Mark spectral information, by analyzing spectrum file, therefrom obtains the spectral information relevant to goal in research and measurement data.This instrument
There is provided the most convenient for the application of accurate hyperspectral analysis.Irradiance and spoke brightness can be measured, can be used for water is measured, it is also possible to
Measure in air.Feature: irradiance and spoke brightness measurement, sensor type designs, low-power consumption, and volume is little, applied range,
Precision is high, air and water alignment, modular system, up-to-date nano coating technology；
Water body absorption/attenuation meter, is used for measuring water body absorptance and attenuation quotient, and surveyed data are carried out temperature,
Salt correction, and scatter correction；Water body absorption/attenuation meter of the present invention uses AC-S water body light to absorb-decay survey
Amount instrument, AC-S Water Inherent Optical Properties measuring instrument is that the water body decay of simultaneously measuring produced by WET Labs company of the U.S. is
Number and the EO-1 hyperion instrument of absorptance.This instrument provides the spectral resolution of 4nm, the spectral measurement ranges of 400-720nm.Instrument
Device uses dual path to combine the incandescent lamp bulb that two argon are filled, and the linear variable filter through a rotation sweep obtains
Scatter spectra.Light, after the water body of 10CM or 25CM is propagated, is come with large area detector by narrow aperture receiver respectively
Reception obtains attenuation quotient and absorptance.
Water body back scattering measuring instrument, is used for measuring backscattering coefficient, and the signal value that instrument obtains is converted into tool
There is the parameter value of optical significance, and then calculate the backscattering coefficient of aquatic particle and total backscattering coefficient；And then optimize
Bio-optical model parameter, with accurate simulation water surface Remote Sensing Reflectance；HydroScat-6 (hereinafter referred to as HS-6) is in the world
A business-like multispectral back scattering instrument, can measure back scattering and fluorescence simultaneously, is the most unique a can carry
For 6 backward scattered instruments of wavelength.HS-6 is between more than 10 years introduced to the market, always with its sane remarkable performance and Gao Ling
Sensitivity, high reliability enjoy great prestige in industry.HS-6 is self-contained, and self is with complete embedded controller, data storage element and
Rechargeable battery.By the software-HydroSoft function based on windows platform of HOBI Labs company of U.S. independent research very
Powerful, can be used for the correction of the demarcation of instrument, measurement data, it is ensured that the accuracy of measurement.
Ultraviolet-uisible spectrophotometer, for measuring the Optical Absorption Characteristics of water constituent, including suspended particulate substance extinction
Degree, non-algae suspended particulate substance absorbance, chromophoric dissolved organic matter absorbance and chlorophyll absorbance, and to initial data
It is corrected processing；Utilize famous QAA model, carry out optics closure checking, parameters optimization, output parameter more accurately
Value, and finally simulation output water surface Remote Sensing Reflectance.Ultraviolet-uisible spectrophotometer be a kind of with a long history, coverage rate is very wide,
Use a lot of analytical tool, in organic chemistry, biochemistry, drugs analysis, food test, medical and health, environmental conservation, life
The scientific research of every field, the production works such as life science are obtained for and are extremely widely applied.
Beijing Puxi General Instrument Co., Ltd is as the professional manufacturing enterprise of analytical tool, ultraviolet spectrometry for many years
Photometer design and manufacturing experience have obtained embodying more fully in TU1901 series.TU-1901, TU-1900 UV, visible light
Spectrophotometer series of products with its outstanding technical specification and reliable and stable operating characteristic, close friend's display interface intuitively,
Smooth human computer conversation's operation, is successfully realized the strict demand of superhigh precision and reliability measurement, can greatly meet the most special
Industry customer analysis job demand.
In sum, the present invention collects multi-functional each instrument and equipment and is detected on one, and an instrument can detect many kinds of parameters, application
Convenient, two is that the unified extraction being convenient for measuring signal processes, and three is the analysis precision that improve water quality, the most also substantially increases
Cost performance；Effectively avoid because the process of each instrument and equipment data is separate, it is difficult to realize the mutual check between data
With associate, the efficiency that data process is low and error-prone, it is impossible to meet a large amount of process problems surveying optical datas.
The present invention is additionally provided with clock module and data memory module, by data memory module real-time storage microcontroller mould
Block sends detection instruction every detection parameter of water quality treatment, stores the time by clock module real time record, effectively keeps away
Exempt from the loss of data brought because of instrument failure.
It is understood that unless otherwise defined, all terms used herein (include skill to those skilled in the art of the present technique
Art term and scientific terminology) have with the those of ordinary skill in art of the present invention be commonly understood by identical meaning.Also
It should be understood that those terms defined in such as general dictionary should be understood that have with in the context of prior art
The consistent meaning of meaning, and unless defined as here, will not explain by idealization or the most formal implication.
Above example is only the technological thought that the present invention is described, it is impossible to limit protection scope of the present invention with this, every
The technological thought proposed according to the present invention, any change done on the basis of technical scheme, each fall within scope
Within.Above embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned embodiment, in ability
In the ken that territory those of ordinary skill is possessed, it is also possible to make various change on the premise of or else departing from present inventive concept
Change.
Claims (6)
1. an optical characteristics water quality monitoring system based on amplifying circuit, it is characterised in that: comprise data collection station and
Connected data monitoring terminal, described data collection station comprises spectral radiometer, Underwater Optical spectrometer, water body absorb/decline
Subtract measuring instrument, water body back scattering measuring instrument, ultraviolet-uisible spectrophotometer, analog to digital conversion circuit, amplifying circuit, controller mould
Block, data transmission module, power module, after described spectral radiometer, Underwater Optical spectrometer, water body absorption/attenuation meter, water body
Pass sequentially through analog to digital conversion circuit respectively to scatterometry instrument, ultraviolet-uisible spectrophotometer, amplifying circuit connects controller mould
Block, described data transmission module, power module are connected on controller module corresponding port；Described data monitoring terminal bag
Containing memory module, display module, clock module, processor module, radio frequency identification module, described memory module, display mould
Block, clock module, radio frequency identification module are connected with processor module respectively；
Described amplifying circuit includes LNA, power splitter, the first wave filter, the second wave filter, the first amplifier, the second amplifier, conjunction
Grow up to be a useful person, the 3rd amplifier and the 3rd wave filter, wherein, the outfan of LNA connects the input of power splitter, and power splitter is defeated
Going out end and connect the input of first and second wave filter respectively, the outfan of described first and second wave filter is put via first and second respectively
Big device connects the input of synthesizer, and the outfan of this synthesizer connects the input of the 3rd wave filter via the 3rd amplifier.
A kind of optical characteristics water quality monitoring system based on amplifying circuit the most according to claim 1, it is characterised in that: institute
State spectral radiometer and use HydroRad EO-1 hyperion radiometer.
A kind of optical characteristics water quality monitoring system based on amplifying circuit the most according to claim 1, it is characterised in that: institute
State Underwater Optical spectrometer and use RAMSES-ARC Underwater Optical spectrometer.
A kind of optical characteristics water quality monitoring system based on amplifying circuit the most according to claim 1, it is characterised in that: institute
State water body absorption/attenuation meter and use AC-S water body light absorption-attenuation meter.
A kind of optical characteristics water quality monitoring system based on amplifying circuit the most according to claim 1, it is characterised in that: institute
State water body back scattering measuring instrument and use HydroScat-6P water body back scattering measuring instrument.
A kind of optical characteristics water quality monitoring system based on amplifying circuit the most according to claim 1, it is characterised in that: institute
State ultraviolet-uisible spectrophotometer and use 1901 series ultraviolet visible spectrophotometer.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588929A (en) * | 2021-08-03 | 2021-11-02 | 无锡三创建材有限公司 | Finished product aerated concrete performance testing device and testing method |
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| CN113588929A (en) * | 2021-08-03 | 2021-11-02 | 无锡三创建材有限公司 | Finished product aerated concrete performance testing device and testing method |
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Application publication date: 20160921 |