CN205958442U - Double -light -path water environment on - line measuring device based on spectral measurement technique - Google Patents
Double -light -path water environment on - line measuring device based on spectral measurement technique Download PDFInfo
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- CN205958442U CN205958442U CN201620762791.6U CN201620762791U CN205958442U CN 205958442 U CN205958442 U CN 205958442U CN 201620762791 U CN201620762791 U CN 201620762791U CN 205958442 U CN205958442 U CN 205958442U
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Abstract
The utility model discloses a double -light -path water environment on - line measuring device based on spectral measurement technique, including a can, setting up in the shell and surveying optical unit, signal processing unit, the middle part of shell sets up surveys the pond, the work of light control board control light source, does the light source send the ultraviolet the visible light, the ultraviolet the visible light becomes the parallel light behind lens no. 1, the parallel light is divided into two the tunnel behind semitransparent mirror, pass the optical window of surveying the pond all the way after two focus on the lens, again through optical fiber transmission to collection module for test the water sample that awaits measuring, back transmission extremely control and signal processing module are received as the reference signal that the light source energy changes by photoelectric detector in another way, the utility model has the advantages that: adopted the solar energy power supply, but the peace and quiet system of optical window has been adopted in the long -time running, can guarantee measured data's accuracy.
Description
Technical field
This utility model patent is related to water body environment pollution on-line monitoring field, more particularly, to environmental optics monitoring technology neck
Domain, specially a kind of double light path water body environment on-line measurement device based on spectral measurement methodses.
Background technology
In recent years, developing rapidly with Chinese national economy, Domestic Environment pollution is increasingly serious.Wherein, water body environment
Pollution is very prominent.Pollutant have serious harm to water body environment, aquatic animals and plants after entering water body, big in drinking water
There is this pollutant and health can be worked the mischief in amount.At present for the traditional detection method master of pollutant each in water body
Chemical-agent technique to be relied on.Traditional method, how based on spot sampling, lab analysis, needs to carry out water sample pretreatment, step
Loaded down with trivial details, high cost is it is difficult to meet the requirement of modern environment monitoring；Such analysis method constitutes a threat to the health of operator,
If waste liquid is directly discharged in the middle of environment, very serious secondary pollution also can be caused.But spectrographic method does not need anyization
Learn reagent, water quality itself do not affected, and live direct measurement is it is not necessary to carry out pretreatment to water sample, detection speed soon,
Avoid loaded down with trivial details step.Adopting single light source the instrument of part pollutant in domestic employing spectroscopic methodology detection water body more at present, survey
Amount parameter is single.Compared with western developed country, the water quality environment detection of China, sensor technology are generally backward,
Lack reasonable price, can achieve that the sensor of the independent intellectual property right that comprehensive, real-time, quick, accurate multiparameter detects simultaneously divides
Analyzer device, this situation seriously constrains monitoring and control to water quality environment.
Additionally, the instrument of part pollutant typically all adopts manually-operated method in existing spectroscopic methodology detection water body,
As wanted to measure the pollutant of a certain place, a certain depth, it is required for manually arriving measurement point enforcement measurement, this not only wastes time and energy,
And sometimes also abnormally dangerous, such as to the ocean somewhere of bad environments, usually personal safety is threatened；And can not protect
Demonstrate,prove long-term real-time measurement.
Utility model content
In order to solve above-mentioned technical problem, the purpose of this utility model be provide a kind of need not be manually on duty, can be long-term
Automatically the on-line measurement device of real-time detection, concrete technical scheme is as follows：
A kind of double light path water body environment on-line measurement device based on spectral measurement methodses, including a sealing shell, described
Inside the shell setting detects optical unit, signal processing unit, and the middle part setting of shell detects pond；
Described detection optical unit includes light source control plate, light source, lens one, semi-transparent semi-reflecting lens, lens two；
Signal processing unit includes acquisition module, controls and signal processing module, photodetector and interface；
Described light source control plate controls light source works, and light source sends ultraviolet-visible light；Ultraviolet-visible light is after lens one
It is changed into directional light；Directional light is divided into two-way after semi-transparent semi-reflecting lens, and a road focuses on through lens two after passing through the optical window detecting pond,
Again through fiber-optic transfer to acquisition module, for testing water sample to be measured, the reference signal that another road changes as energy of light source is by light
Electric explorer transmits to control and signal processing module after receiving；
Control with signal processing module respectively with light source control plate, acquisition module, photodetector and temperature-measuring module
Connect, control and be connected with host computer also by interface with signal processing module；
Described detection pond includes the optical window being symmetrical set a pair, in the inner side of optical window, arranges cleaning brush, described cleaning
Brush is by Motor drive；Detecting the bottom setting gas spout in pond, described gas spout is towards optical window.
Described interface connecting communication module, described communication module is connected with host computer by the Internet.
Also include accumulator, described accumulator powers to detection optical unit, signal processing unit and motor.
Also include solar battery group, described solar battery group is connected with accumulator；Described solar battery group setting
On buoy；Gas spout is connected with the tracheal entrance being arranged on buoy by trachea.
Described trachea arranges check valve, and described check valve is used in measurement stoping endotracheal water from flowing into detection pond
The utility model has the advantages that：Solar powered due to employing, can longtime running, employ the peace and quiet system of optical window
System it is ensured that measurement data accurate；Employ tracheal entrance to be arranged on marker post, and downward opening technical scheme, can
Avoid wave to enter trachea, and then enter the impact to measurement data for the measuring cell.
Brief description
Fig. 1 is measurement part-structure schematic diagram of the present utility model；
Fig. 2 is device gas circuit cleaning structure schematic diagram；
Fig. 3 is this utility model measurement device optical window position view；
Fig. 4 is overall structure diagram of the present utility model；
In Fig. 1：1st, light source control plate；2nd, light source；3rd, shell；4th, lens one；5th, semi-transparent semi-reflecting lens；6th, photodetector；
7th, optical window；8th, lens two；9th, temperature-measuring module；10th, optical fiber；11st, acquisition module；12nd, control and signal processing module；13、
Interface；14th, motor；15th, cleaning brush.
In Fig. 2：7th, optical window；16th, gas circuit；17th, air pipe interface.
In Fig. 3：7th, optical window；1401st, motor shaft；15th, cleaning brush；Cleaning brush location A；Cleaning brush B location.
In Fig. 4,18 is solar battery group, and 19 is buoy, and 20 is hawser, and 21 is marker post, and 22 is tracheal entrance.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described, as shown in figure 1, this utility model includes a sealing shell 3,
In described shell 3, setting detects optical unit, signal processing unit, and the middle part setting of shell detects pond；
Described detection optical unit includes light source control plate 1, light source 2, lens 1, semi-transparent semi-reflecting lens 5, lens 28；
Signal processing unit includes acquisition module 11, controls and signal processing module 12, photodetector 6 and interface 13；
Described light source control plate 1 controls light source 2 to work, and light source 2 sends ultraviolet-visible light；Ultraviolet-visible light is through lens one
It is changed into directional light after 4；Directional light is divided into two-way after semi-transparent semi-reflecting lens 5, and a road is through after the optical window 7 in detection pond through lens two
8 focusing, then transmit to acquisition module 11 through optical fiber 10, for testing water sample to be measured, the ginseng that another road changes as energy of light source
Examine and transmit after signal is received by photodetector 6 to control and signal processing module 12；
Control and survey with light source control plate 1,11 pieces of mould of collection, photodetector 6 and temperature respectively with signal processing module 12
Amount module 9 connects, and controls and is connected with host computer also by interface 13 with signal processing module 12；
Described detection pond includes the optical window 7 being symmetrical set a pair, in the inner side of optical window 7, arranges cleaning brush 15, described
Cleaning brush 15 is driven by motor 14；Detecting the bottom setting gas spout 71 in pond, described gas spout 71 is towards optical window 7；
For ensureing remote real_time control and detection, described interface 13 connecting communication module, described communication module passes through interconnection
Net is connected with host computer；Described communication module can adopt commercial products, such as using the communication module based on GSM or CDMA.
As shown in figure 4, for ensureing long-term unmanned, also including accumulator, described accumulator give detect optical unit,
Signal processing unit and motor are powered；Also include solar battery group 18, described solar battery group 18 is connected with accumulator；Institute
State solar battery group to be arranged on buoy 19；The gas circuit 16 of gas spout 7 is passed through air pipe interface 17 and is arranged on buoy
Tracheal entrance 22 connects.Hawser 20 adjustable length between buoy and measurement apparatus, to adapt to the measurement of different depth.
Described trachea arranges check valve, and described check valve is used for stoping endotracheal water from spraying by trachea when measuring work
Mouth 71 flows into and detects ponds, affects certainty of measurement；Described tracheal entrance is arranged on the marker post on buoy, and opening down in case
Only wave pours in measuring cell from tracheal entrance 22.
Measurement module used in this utility model and control all can adopt city with signal processing module, photodetector
Purchase product, such as controls and can adopt STM32 series monolithic with signal processing module；Photodetector is using the linear array of Japanese shore pine
CCD.
Using xenon flash lamp as light source 2, and in light source one light source control plate 1 of 2 Front-end Design, provide surely for light source 2
Fixed voltage is it is ensured that the stable normal work of light source 2.
Described light source 2 adopts xenon flash lamp, wave-length coverage 185nm-2000nm.
Described light source control plate 1 adopts secondary voltage to convert, and boosts to xenon flash lamp running voltage by 12V.
Quartzy optical window 7, gas circuit 16 and gas-tpe fitting 17 is included shown in Fig. 2.Gas circuit 16 is connected, outward by described gas-tpe fitting 17
Connect air pump the timing of quartzy optical window 7 is carried out with extraneous gas input pickup measurement position.
Quartzy optical window 7, motor shaft 1401, cleaning brush 15, cleaning brush location A and cleaning brush B location is included shown in Fig. 3.Institute
Regular controlled motor 14 rotates with signal processing module 12 to state control, and motor 14 drives cleaning brush 15 clear by motor shaft 1401
Swing back and forth between clean brush location A and cleaning brush B location, remove the spot on quartzy optical window 7.
The principle that this utility model cleans optical window with cleaning brush by the way of gas spout is combined is：Due under water,
It is especially deeper that it is larger that motor-driven cleaning brush swings resistance under water, and the pressure and between optical window less it is impossible to completely clear
Except some attachments, and adopt the benefit of gas spout, be on the one hand can be sprayed to optical window by gas, form a local
Gas-liquid mixed space, so, the swing resistance of cleaning brush greatly reduces；Further, since gas is to spray to optical window direction, cleaning brush
The surface perpendicular to spout direction be a lamellar, therefore, to cleaning brush show to apply certain pressure it is ensured that cleaning
Brush is fitted tightly with optical window, improves cleaning efficiency；Again, can be attached using the method removal applying medicine by gas spout
Thing, to reach the thorough purpose cleaning optical window.
This utility model principle is：Different molecular structures lead to different material to have selection absorbability to light, thus producing not
Same absorption spectrum, can be analyzed to material by studying absorption Spectrum characteristic.Absorption spectrum curve according to material
Shape, the number of absworption peak, height and corresponding wavelength, qualitative analyses can be carried out to material.In certain concentration range not
Linear with the pollutant of concentration and the height (absorbance) of its characteristic peak, (inhaled by measuring the height of its characteristic peak
Shading value) pollutant levels can be finally inversed by.
Feature of the present utility model is：
1st, adopt xenon flash lamp as light source, and in one light source control plate of light source Front-end Design, light source control plate passes through
Secondary voltage becomes and turns to light source and provide stable control source it is ensured that the accuracy of measurement；
2nd, detect mechanism to be detected using optical meanss it is not necessary to chemical reagent, water quality itself is not affected, and
, it is not necessary to carry out pretreatment to water sample, detection speed is fast live direct measurement, it is to avoid loaded down with trivial details step, and instrument is hardly used
Safeguard, simple and practical, can pass through remote communication interface, carry out automatic data collection and transmission it is adaptable to unmanned for a long time
Monitoring；
3rd, light channel structure adopts bifocal path structure, is one reference path of measure setup, can effectively avoid light source fluctuation
And the impact that light source decay brings, improve measurement stability and the accuracy of device；
4th, computational methods of the present utility model are to consider the light of ultraviolet-visible wave band as overall spectrum, based on artificial
Intelligent algorithm carries out concentration calculating, can effectively eliminate the cross interference that heterogeneity is brought, have higher sensitivity and standard
Really property；
5th, device designs automatic clearing apparatuss, and external air pump is carried out to quartzy optical window timing by trachea, gas
Pump work cleaning brush work simultaneously, both work simultaneously and can effectively reduce optical window pollution, reduce measurement error；
6th, multiple-quality water parameter can be measured, including COD, BOD, TOC, UV254, nitrate, nitrite and turbidity simultaneously
Deng, and design a temperature-measuring module, real-time detection water body environment temperature.
Effect of the present utility model：
A kind of double light path water body environment on-line measurement device based on spectral measurement methodses of the present utility model is using measurement
The pollutant levels such as optical signal transmissive intensity inverting COD, BOD, TOC, UV254, nitrate, nitrite and turbidity, can achieve
Fast to the direct measurement of water body environment, detection speed, it is to avoid loaded down with trivial details step, without the need for chemical reagent, it is to avoid to water quality
Secondary pollution.Using bifocal path structure, can effectively avoid the impact that light source fluctuation and light source decay bring, improve device
Measurement stability and accuracy.Thus realize quick, in real time, accurate perception water body COD, BOD, TOC, UV254, nitrate,
The pollutant situation of change such as nitrite and turbidity, improves the level monitoring to water body environment for the environmental protection department, for effectively anti-
Controlling the contaminants such as water body COD, BOD, TOC, UV254, nitrate, nitrite and turbidity provides strong technical support.
Connect due to employing solar powered and wireless telecommunications, can unattended operation for a long time, employ optical window peace and quiet
System it is ensured that measurement data accurate；Employ tracheal entrance to be arranged on marker post, and downward opening technical scheme,
Wave can be avoided to enter trachea, and then enter the impact to measurement data for the measuring cell.
Claims (5)
1. a kind of double light path water body environment on-line measurement device based on spectral measurement methodses, including a sealing shell, its feature
It is：
Described inside the shell setting detects optical unit, signal processing unit, and the middle part setting of shell detects pond；
Described detection optical unit includes light source control plate, light source, lens one, semi-transparent semi-reflecting lens, lens two；
Signal processing unit includes acquisition module, controls and signal processing module, photodetector and interface；
Described light source control plate controls light source works, and light source sends ultraviolet-visible light；Ultraviolet-visible light is changed into after lens one
Directional light；Directional light is divided into two-way after semi-transparent semi-reflecting lens, and a road focuses on through lens two after passing through the optical window detecting pond, then warp
, to acquisition module, for testing water sample to be measured, the reference signal that another road changes as energy of light source is by light electrical resistivity survey for fiber-optic transfer
Survey after device receives and transmit to control and signal processing module；
Control and be connected with light source control plate, acquisition module, photodetector and temperature-measuring module respectively with signal processing module,
Control and be connected with host computer also by interface with signal processing module；
Described detection pond includes the optical window being symmetrical set a pair, in the inner side of optical window, arranges cleaning brush, described cleaning brush by
Motor drive；Detecting the bottom setting gas spout in pond, described gas spout is towards optical window.
2. double light path water body environment on-line measurement device according to claim 1 it is characterised in that：Described interface connects logical
News module, described communication module is connected with host computer by the Internet.
3. double light path water body environment on-line measurement device according to claim 1 it is characterised in that：Also include accumulator,
Described accumulator powers to detection optical unit, signal processing unit and motor.
4. double light path water body environment on-line measurement device according to claim 3 it is characterised in that：Also include solar-electricity
Pond group, described solar battery group is connected with accumulator；Described solar battery group is arranged on buoy；Gas spout passes through gas
Pipe is connected with the tracheal entrance being arranged on buoy.
5. double light path water body environment on-line measurement device according to claim 4 it is characterised in that：Trachea setting is unidirectional
Valve, described check valve is used in measurement stoping endotracheal water from flowing into detection pond.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620762791.6U CN205958442U (en) | 2016-07-20 | 2016-07-20 | Double -light -path water environment on - line measuring device based on spectral measurement technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620762791.6U CN205958442U (en) | 2016-07-20 | 2016-07-20 | Double -light -path water environment on - line measuring device based on spectral measurement technique |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954192A (en) * | 2016-07-20 | 2016-09-21 | 中国科学院烟台海岸带研究所 | Online dual-light-path water environment measurement device based on spectral measurement technology |
| CN108801923A (en) * | 2018-08-21 | 2018-11-13 | 河北科技师范学院 | A kind of optics original position water quality detection system |
| CN112903611A (en) * | 2021-01-25 | 2021-06-04 | 中国海洋大学 | Multiband absorbance detection system and working method thereof |
| CN114371152A (en) * | 2022-03-22 | 2022-04-19 | 山东省科学院海洋仪器仪表研究所 | Drifting type automatic seawater transparency measuring device and transparency measuring method |
-
2016
- 2016-07-20 CN CN201620762791.6U patent/CN205958442U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954192A (en) * | 2016-07-20 | 2016-09-21 | 中国科学院烟台海岸带研究所 | Online dual-light-path water environment measurement device based on spectral measurement technology |
| CN105954192B (en) * | 2016-07-20 | 2019-07-30 | 中国科学院烟台海岸带研究所 | A kind of double light path water body environment on-line measurement device based on spectral measurement methods |
| CN108801923A (en) * | 2018-08-21 | 2018-11-13 | 河北科技师范学院 | A kind of optics original position water quality detection system |
| CN112903611A (en) * | 2021-01-25 | 2021-06-04 | 中国海洋大学 | Multiband absorbance detection system and working method thereof |
| CN112903611B (en) * | 2021-01-25 | 2022-04-29 | 中国海洋大学 | Multiband absorbance detection system and working method thereof |
| CN114371152A (en) * | 2022-03-22 | 2022-04-19 | 山东省科学院海洋仪器仪表研究所 | Drifting type automatic seawater transparency measuring device and transparency measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20210720 |
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| CF01 | Termination of patent right due to non-payment of annual fee |