CN205941582U - Modularization multi -parameter quality of water automatic on -line monitor - Google Patents
Modularization multi -parameter quality of water automatic on -line monitor Download PDFInfo
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- CN205941582U CN205941582U CN201620929862.7U CN201620929862U CN205941582U CN 205941582 U CN205941582 U CN 205941582U CN 201620929862 U CN201620929862 U CN 201620929862U CN 205941582 U CN205941582 U CN 205941582U
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Abstract
The utility model discloses a modularization multi -parameter quality of water automatic on -line monitor, include a plurality of one -parameter analysis module and a survey control module, wherein, the single quality of water parameter of one -parameter analysis module assay, one -parameter analysis module has communication interface and optics interface, realize being connected with the communication of survey control module being connected with optics through communication cable and optical fiber jumper wire, include electrical control part and optical measurements part in the survey control module, the electrical control part is used for coordinating inside each module of monitor and normally operates, the optical measurements part is used for awaiting measuring water sample solution to reacted and carries out optical measurements, the utility model discloses can independently carry out the analysis reaction sequence of different quality of water parameters simultaneously, afterwards through the multiplexing mode of timesharing, utilize same set of optical measurements system to accomplish and measure the analysis of different quality of water parameters to realize multi -parameter water quality monitoring's mesh.
Description
Technical field
This utility model is related to a kind of modularity multi-parameter water quality automatic on-line monitoring instrument, belongs to water quality monitoring technology neck
Domain.
Background technology
Spectrophotography Water Quality on-line Automatic Monitor has that structure is simple, reagent consumption is low, sensitivity is high, linear model
Enclose wide, repeated high distinguishing feature, be widely used in online environment monitoring field.Existing water quality automatic on-line
Monitor generally only has single water quality parameter analysis ability, and needs in practical application multiple-quality water parameter is supervised
Survey, need to be equipped with multiple stage monitor, with high costs, maintenance inconvenience for this.
Disclose a kind of multi-parameter water quality monitoring micro-system in Chinese patent CN102147373B, adopt in this monitoring system
Carrying out multi-parameter water quality monitoring, its reagent needed for each parameter monitoring shared a set of a set of MOMES spectroscopic analysis system
Sampling system, therefore this monitoring system can only be monitored it is impossible to carry out to each water quality parameter simultaneously successively to each water quality parameter
Monitoring, the multi parameter analysis monitoring time is longer it is impossible to the multi-parameter water quality under being competent in emergency case is monitored.Chinese patent
A kind of multi-wavelength optical detection means of water quality online analyzer is disclosed, this device employs multiple lists in CN203224445U
The mode of wavelength light source come to realize multi-parameter water quality monitoring.When carrying out different quality parameter monitoring, this device can will be required
Single wavelength light source switches to and measures at measuring unit.Though this device enables multi parameter water quality, it is constrained to existing
Some technical conditions are it is more difficult to mate suitable single wavelength light source for specific water quality parameter.This device employs a light simultaneously
Electric explorer, to receive the measurement signal that light sources with different wavelengths sends, proposes higher wanting to the spectral response of photodetector
Ask.
The major defect that multi-parameter water quality on-line monitoring technique exists at present is：
1）Analysis time is long
Each parameter generally adopts same set of sample, reagent sampling system, can only successively each parameter be analyzed, multiparameter
Analysis time is very long, and the Parameter analysis time is directly proportional to the number of parameters of required analysis it is impossible to many ginsengs under tackling emergency case
Number water quality monitoring.
2）Complex structure, reliability are low
Multiparameter shares a set of sample, reagent sampling system so that sampling system complexity significantly improves, and reliability drops
Low.
Utility model content
Technical problem to be solved in the utility model is the defect overcoming prior art, provides a kind of modularity multiparameter
Water Quality on-line Automatic Monitor, using modularized design, monitor overall structure is simple, adopts modular connection even between each module
Connect, plug simplicity.
For solving above-mentioned technical problem, this utility model provides a kind of modularity multi-parameter water quality automatic on-line monitoring instrument,
Include multiple single-parameter analysis modules and a measurement control module；Described single-parameter analysis module adopts blade type configuration,
Described single-parameter analysis module has communication interface and optical interface, realizes controlling mould with measurement by communication cable and optical patchcord
The communication connection of block is connected with optics；Electric controling part and optical measurement is included in described measurement control module；
Described single-parameter analysis module includes quartz reaction pond part, automatic control component and sample, reagent sequential injection
Part；
Described quartz reaction pond part is made up of the fiber optic collimator mirror of crystal reaction tube and both sides；Described fiber optic collimator mirror one
End is connected on the optical interface of single-parameter analysis module by optical patchcord；
Described automatic control component provides communication interface, is connected with the electric controling part of measurement control module；
Described sample, reagent sequential injection part by multiposition valve, n+2 electromagnetic valve, fluid sensor, peristaltic pump, 1 enter
Sample quantitative loop and n quantitative loop composition；Described multiposition valve is pipeline selector, total n+7 pipe interface, its kind, and No. 1 mouth is
Common port, No. 2 mouths are the injection port of distilled water, and No. 3 mouths are the injection port of water sample to be measured, and No. 4 mouths connect quartz reaction pond part,
No. 5 mouths are the injection port of waste liquid pool, and No. 6 mouth to n+5 mouths are the injection port to reagent n for the reagent 1, and n+2 mouth is entering of mark two
Sample mouth, No. n+7 injection port for mark one；Described peristaltic pump is sample, reagent sequential injection part provides power source；
Described optical measurement is made up of halogen tungsten lamp light source, optical multiplexer and fiber spectrometer；
Described optical multiplexer is light path selector, has a public port and several selection ports；Described
There is the optical multiplexer of two same model in optical measurement.
Aforesaid single-parameter analysis module has installation buckle.
Aforesaid sample introduction quantitative loop single injected sampling volume is 2mL.
Aforesaid quantitative loop single injected sampling volume is 0.5 ~ 1mL.
Aforesaid halogen tungsten lamp light source spectral band scope is 360nm ~ 2000nm.
Aforesaid fiber spectrometer spectral measurement ranges are 360nm ~ 1000nm, by RS-232 communication interface and electric-controlled
Part processed connects.
The quantity of aforesaid optical multiplexer selection port, determines monitor open ended single-parameter analysis module
Quantity, also determine the water quality parameter quantity that monitor can be analyzed.
Adopt client/server between aforesaid measurement control module and single-parameter analysis module, build Modbus network, survey
, as Modbus main website, each single-parameter analysis module is as Modbus slave station for amount control module.
Aforesaid electric controling part is connected with optical multiplexer, fiber spectrometer by serial ports.
The beneficial effect that this utility model is reached：
1st, this utility model to build multi-parameter water quality using a measurement control module with multiple single-parameter analysis modules
On-line computing model, using modularized design, monitor overall structure is simple, adopts modular connection to connect, plug between each module
Easy.
2nd, in this utility model, each analysis module can independently carry out the analysis process of single water quality parameter simultaneously, by timesharing
The mode of multiplexing shares a set of optical measuring system, to realize the purpose of multi-parameter water quality monitoring.
Brief description
Fig. 1 is modularity multi-parameter water quality automatic on-line monitoring instrument structural representation of the present utility model；
Fig. 2 is single-parameter analysis modular structure schematic diagram of the present utility model；
Fig. 3 is optical measurement schematic diagram of the present utility model；
Fig. 4 is internal network configuration diagram of the present utility model；
Fig. 5 is software flow block diagram of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further described.Following examples are only used for this is clearly described
The technical scheme of utility model, and protection domain of the present utility model can not be limited with this.
Modularity multi-parameter water quality automatic on-line monitoring instrument of the present utility model, its internal structure is as shown in figure 1, monitor
Inside includes multiple single-parameter analysis modules, and such as parameter 1 analysis module, parameter 2 analysis module ... parameter N analyze mould
Block, with a measurement control module.Single-parameter analysis module adopts blade type configuration to design, and has the analysis of single water quality parameter
Ability, and there is standard apparent size and buckle is installed, can quickly be plugged in monitor interior of equipment cabinet, in order to extend monitor
Monitoring number of parameters.Single-parameter analysis module is designed with communication interface and optical interface, real with optical patchcord by communication cable
Now it is connected with the communication of measurement control module and be connected with optics.Include electric controling part in measurement control module to survey with optics
Amount part, wherein electric controling part are used for coordinating the internal each module normal operation of monitor, and optical measurement is used for anti-
Water sample solution to be measured after answering carries out optical measurement.
It is illustrated in figure 2 single-parameter analysis module and shows that structure is intended to, single-parameter analysis module includes quartz reaction pond portion
Part, automatic control component and sample, reagent sequential injection part.Sample, reagent sequential injection part are mainly used in realizing to be measured
Water sample and the accurate sample introduction of reagent.Sample, reagent sequential injection part by multiposition valve, electromagnetic valve, fluid sensor, peristaltic pump, 1
Individual sample introduction quantitative loop and n quantitative loop composition.Multiposition valve is pipeline selector, total n+7 pipe interface, and its No. 1 mouth is public affairs
Mouth altogether, under program, any mouth position between No. 1 mouth and 2 ~ n+7 mouth can be connected by multiposition valve, in order to carry out reagent choosing
Select and pipeline switching.No. 2 mouths of multiposition valve control the sample introduction of distilled water, and No. 3 mouths control the sample introduction of water sample to be measured, and No. 4 mouths connect
Quartz reaction pond part, No. 5 mouths control the sample introduction of waste liquid pool, and No. 6 mouths are to n+5 mouth control reagent 1 to the sample introduction of reagent n, n+2
Number mouth controls the sample introduction of mark two, and n+7 mouth controls the sample introduction of mark one.During water sample and reagent sample introduction, multiposition valve is first by No. 1
Common port is connected with the reagent of required sample introduction or water sample port, and peristaltic pump rotates forward above water sample or No. 1 mouth of reagent suction
In sample introduction quantitative loop metering pipeline.Metering pipeline realizes the sample introduction of water sample and reagent by the cooperation of electromagnetic valve and fluid sensor
Volume metering.After the completion of metering, No. 1 common port is connected by multiposition valve again with No. 4 mouths, peristaltic pump reversion by metering after water sample or
Reagent input carries out chromogenic reaction in quartz reaction pond.After the completion of single measurement, the mixed solution in quartz reaction pond passes through 1 again
Number mouth is expelled to waste liquid pool.Electromagnetic valve n+2 opens in water sample or reagent input quartz reaction pond, closes in remaining period, with
Solution in quartz reaction pond is prevented to be back at multiposition valve.Additionally, from electromagnetic valve n+2 is also in sequential injection unit exception fault
Effect to overflow protection.No. 4 mouths of multiposition valve, peristaltic pump one pipe nipple and electromagnetic valve n+2 mono- pipe nipple all access same waste liquid
Chi Zhong, for recycling to the waste liquid producing in detection process.
Peristaltic pump is used for providing power source for sequential injection part.Sample introduction quantitative loop single injected sampling volume is about 2mL, by liquid
Flow sensor 2, electromagnetic valve n+1, multiposition valve are constituted, for realizing the accurate sample introduction of water sample to be measured, mark one, mark two and distilled water.
Quantitative loop 1 ~ quantitative loop n is used for realizing the accurate sample introduction of detectable needed for water quality parameter analysis.Quantitative loop i single injected sampling volume
It is about 0.5 ~ 1mL, be made up of fluid sensor 1, multiposition valve, electromagnetic valve i, for realizing the accurate sample introduction of reagent i, electromagnetic valve i
Open, reagent i sample introduction.Automatic control component is used for sample, reagent sequential injection part being controlled, to complete water quality parameter
Each sample introduction flow process needed for analysis.Meanwhile, automatic control component also provides communication interface, for setting up communication with measurement control module
Network, as a network node within monitor.Quartz reaction pond part is by the fiber optic collimator of crystal reaction tube and both sides
Mirror etc. forms.Crystal reaction tube is used for containing detectable and water sample to be measured, provides reacting environment.Fiber optic collimator mirror is used for providing
Optical measurement path, fiber optic collimator mirror one end is connected on the optical interface of analysis module by optical patchcord.
It is illustrated in figure 3 the optical measurement structural representation of measurement control module, optical measurement is by halogen tungsten lamp
Light source, optical multiplexer, fiber spectrometer composition.Halogen tungsten lamp light source spectral band scope is 360nm ~ 2000nm, covers
From visible ray near infrared spectrum.Fiber spectrometer spectral measurement ranges are 360nm ~ 1000nm, by RS-232
Communication interface is connected with electric controling part.Optical multiplexer is light path selector, has a public port and some
Individual selection port, under program control, optical multiplexer can achieve between public port and any one selection port
Optics connect.Employ in optical measurement the optical multiplexer of two same model come to realize halogen tungsten lamp light source with
The time-sharing multiplex of fiber spectrometer.Optical multiplexer at halogen tungsten lamp light source is used for distributing light source to special parameter
To carry out optical measurement, the optical multiplexer at fiber spectrometer is used for the survey of special parameter analysis module analysis module
Amount optical signal is introduced in fiber spectrometer and is analyzed.The quantity of optical multiplexer selection port, determining monitor can
The quantity of the single-parameter analysis module to accommodate, also determines the water quality parameter quantity that monitor can be analyzed.If selecting 1 × 16
Optical multiplexer, then 16 single-parameter analysis modules of monitor multipotency receiving, can carry out the analysis of 16 water quality parameters.
When carrying out optical measurement, the measurement light that halogen tungsten lamp light source sends distributes to a certain selection port via optical multiplexer,
Again via the quartz in optical interface, optical patchcord inlet port corresponding Parameter analysis module, through in Parameter analysis module
After reaction tank part, then it is introduced into via optical multiplexer and in fiber spectrometer, forms complete optical path.
It is illustrated in figure 4 monitor internal network configuration diagram.Measurement control module within monitor and one-parameter
Client/server can be adopted between analysis module, build Modbus network.Measurement control module is as Modbus main website（Modbus
Master）, each Parameter analysis module is as Modbus slave station（Modbus RTU）.Modbus main website can by Modbus network to
Modbus slave station sends instruction, obtains status information.Modbus slave station can send money by Modbus network to Modbus main website
Source distribution request.Electric controling part passes through special serial port communicating protocol and realizes to optical multiplexer and fiber spectrometer
Parameter setting.Monitor, when carrying out a multi parameter water quality, first passes through Modbus main website to each Modbus slave station
Send and start measuring command, each slave station starts once complete Parameter analysis flow process, if desired using master in measurement procedure
The optical measurement stood, then slave station to main website send resource allocation request, main website after resource response distribution request, by string
The mouth gating corresponding port of optical multiplexer, for measurement control module distribution optical measurement resource.
It is illustrated in figure 5 monitor software flow block diagram.Main flow and optical measurement resource allocation process flow operation are in measurement
In control module, Parameter analysis process flow operation is in each single-parameter analysis module.After main flow starts analysis, each one-parameter module
Independent operating Parameter analysis flow process, is sequentially completed water sample sample introduction, optical measurement, reagent sample introduction, reaction, optical measurement, discharge opeing clear
Wash.In Parameter analysis flow process, if desired carry out optical measurement, then can send optical measurement request, call optical measurement resource
Allocate flow process to respond optical measurement request.Configuration optics can be asked many according to optical measurement in optical measurement resource allocation flow process
Path multiplexer, completes optical measurement.After the completion of all Parameter analysis flow processs, measured value is carried out calibration output by main flow, and shows
Show storage.Multi-parameter water quality automatic on-line monitoring instrument can carry out the analysis of multiple water quality parameters simultaneously, the multi parameter analysis time by
Maximum duration needed for single-parameter analysis determines.
In each water quality parameter, ionic species parameter such as Cr VI（Cr6+）, lead（Pb2+）It is not usually required to clear up, during analysis
Between shorter, and total class parameter such as total phosphorus（TP）, total phenols（Tph）Then need to clear up, analysis time is longer.Described in the utility model
Modularity multi-parameter water quality automatic on-line monitoring instrument can be analyzed to multiple water quality parameters simultaneously, and passes through time-sharing multiplex light
The mode learning measurement part completes the optical measurement of each parameter, thus realizing the monitoring of multi-parameter water quality automatic on-line.
The above is only preferred implementation of the present utility model it is noted that common skill for the art
For art personnel, on the premise of without departing from this utility model know-why, some improvement can also be made and deform, these change
Enter and deform also to should be regarded as protection domain of the present utility model.
Claims (9)
1. a kind of modularity multi-parameter water quality automatic on-line monitoring instrument is it is characterised in that include multiple single-parameter analysis modules
With a measurement control module；Described single-parameter analysis module adopts blade type configuration, and described single-parameter analysis module has communication
Interface and optical interface, are connected with the communication of measurement control module by communication cable and optical patchcord realization and are connected with optics；
Electric controling part and optical measurement is included in described measurement control module；
Described single-parameter analysis module includes quartz reaction pond part, automatic control component and sample, reagent sequential injection part；
Described quartz reaction pond part is made up of the fiber optic collimator mirror of crystal reaction tube and both sides；Described fiber optic collimator mirror one end leads to
Cross optical patchcord to be connected on the optical interface of single-parameter analysis module；
Described automatic control component provides communication interface, is connected with the electric controling part of measurement control module；
Described sample, reagent sequential injection part are fixed by multiposition valve, n+2 electromagnetic valve, fluid sensor, peristaltic pump, 1 sample introduction
Amount ring and n quantitative loop composition；Described multiposition valve is pipeline selector, total n+7 pipe interface, its kind, and No. 1 mouth is public
Mouthful, No. 2 mouths are the injection port of distilled water, and No. 3 mouths are the injection port of water sample to be measured, No. 4 mouths connection quartz reaction pond parts, No. 5
Mouth is the injection port of waste liquid pool, and No. 6 mouth to n+5 mouths are the injection port to reagent n for the reagent 1, and n+2 mouth is the sample introduction of mark two
Mouthful, No. n+7 injection port for mark one；Described peristaltic pump is sample, reagent sequential injection part provides power source；
Described optical measurement is made up of halogen tungsten lamp light source, optical multiplexer and fiber spectrometer；
Described optical multiplexer is light path selector, has a public port and several selection ports；Described optics
There is the optical multiplexer of two same model in measurement part.
2. a kind of modularity multi-parameter water quality automatic on-line monitoring instrument according to claim 1 is it is characterised in that described list
Parameter analysis module has installation buckle.
3. a kind of modularity multi-parameter water quality automatic on-line monitoring instrument according to claim 1 it is characterised in that described enter
Sample quantitative loop single injected sampling volume is 2mL.
4. a kind of modularity multi-parameter water quality automatic on-line monitoring instrument according to claim 1 is it is characterised in that described fixed
Amount ring single injected sampling volume is 0.5 ~ 1mL.
5. a kind of modularity multi-parameter water quality automatic on-line monitoring instrument according to claim 1 is it is characterised in that described halogen
Tungsten light source spectral band scope is 360nm ~ 2000nm.
6. a kind of modularity multi-parameter water quality automatic on-line monitoring instrument according to claim 1 is it is characterised in that described light
Optical fiber spectrograph spectral measurement ranges are 360nm ~ 1000nm, are connected with electric controling part by RS-232 communication interface.
7. a kind of modularity multi-parameter water quality automatic on-line monitoring instrument according to claim 1 is it is characterised in that described light
Learn the quantity of multiplexer selection port, determine the quantity of monitor open ended single-parameter analysis module, also determine
The water quality parameter quantity that monitor can be analyzed.
8. a kind of modularity multi-parameter water quality automatic on-line monitoring instrument according to claim 1 is it is characterised in that described survey
Adopt client/server between amount control module and single-parameter analysis module, build Modbus network, measure control module conduct
Modbus main website, each single-parameter analysis module is as Modbus slave station.
9. a kind of modularity multi-parameter water quality automatic on-line monitoring instrument according to claim 1 is it is characterised in that described electricity
Gas control parts are connected with optical multiplexer, fiber spectrometer by serial ports.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796811A (en) * | 2017-11-22 | 2018-03-13 | 武汉净康源佳环保科技有限公司 | A kind of multi-parameter water quality monitor |
| CN108426845A (en) * | 2018-04-20 | 2018-08-21 | 中国科学院地球化学研究所 | A kind of portable online full spectral water quality monitor |
| CN108828179A (en) * | 2018-08-08 | 2018-11-16 | 厦门斯坦道科学仪器股份有限公司 | A kind of expansible miniature water quality on-line monitoring system of integration |
| CN111289681A (en) * | 2020-03-24 | 2020-06-16 | 杭州浅海科技有限责任公司 | Injection method suitable for marine instrument |
| CN111766208A (en) * | 2020-06-17 | 2020-10-13 | 南京南瑞水利水电科技有限公司 | Intelligent multi-parameter water quality analyzer and analysis method |
| CN114518429A (en) * | 2022-02-24 | 2022-05-20 | 国网电力科学研究院武汉南瑞有限责任公司 | Test device and method for vanadium battery electrolyte evaluation |
| CN115078744A (en) * | 2022-04-27 | 2022-09-20 | 广州伊创科技股份有限公司 | Control method, system, medium and product of industrial process on-line analyzer |
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- 2016-08-23 CN CN201620929862.7U patent/CN205941582U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796811A (en) * | 2017-11-22 | 2018-03-13 | 武汉净康源佳环保科技有限公司 | A kind of multi-parameter water quality monitor |
| CN107796811B (en) * | 2017-11-22 | 2023-08-01 | 武汉棕地生态环保科技有限公司 | Multi-parameter water quality monitor |
| CN108426845A (en) * | 2018-04-20 | 2018-08-21 | 中国科学院地球化学研究所 | A kind of portable online full spectral water quality monitor |
| CN108828179A (en) * | 2018-08-08 | 2018-11-16 | 厦门斯坦道科学仪器股份有限公司 | A kind of expansible miniature water quality on-line monitoring system of integration |
| CN108828179B (en) * | 2018-08-08 | 2023-10-20 | 厦门斯坦道科学仪器股份有限公司 | Integrated extensible miniature water quality online monitoring system |
| CN111289681A (en) * | 2020-03-24 | 2020-06-16 | 杭州浅海科技有限责任公司 | Injection method suitable for marine instrument |
| CN111766208A (en) * | 2020-06-17 | 2020-10-13 | 南京南瑞水利水电科技有限公司 | Intelligent multi-parameter water quality analyzer and analysis method |
| CN114518429A (en) * | 2022-02-24 | 2022-05-20 | 国网电力科学研究院武汉南瑞有限责任公司 | Test device and method for vanadium battery electrolyte evaluation |
| CN115078744A (en) * | 2022-04-27 | 2022-09-20 | 广州伊创科技股份有限公司 | Control method, system, medium and product of industrial process on-line analyzer |
| CN115078744B (en) * | 2022-04-27 | 2024-02-13 | 广州伊创科技股份有限公司 | Control method, system, medium and product of industrial process online analyzer |
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Effective date of registration: 20171121 Address after: High road high tech Development Zone Nanjing city Jiangsu province 210032 No. 20 Co-patentee after: State Grid Electric Power Research Insititute Patentee after: NARI Technology Development Co., Ltd. Address before: Nan Shui Road Gulou District of Nanjing city of Jiangsu Province, No. 8 210003 Co-patentee before: State Grid Electric Power Research Insititute Patentee before: Nanjing Nari Co., Ltd. |