CN203365316U - Multi-parameter water quality analyzer - Google Patents
Multi-parameter water quality analyzer Download PDFInfo
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- CN203365316U CN203365316U CN 201320426659 CN201320426659U CN203365316U CN 203365316 U CN203365316 U CN 203365316U CN 201320426659 CN201320426659 CN 201320426659 CN 201320426659 U CN201320426659 U CN 201320426659U CN 203365316 U CN203365316 U CN 203365316U
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Abstract
A multi-parameter water quality analyzer comprises a spectropho-tometry detection module, an electrochemical detection module, a control module, a power supply module and a display module, wherein the control module receives a first detection signal generated by the spectropho-tometry detection module and a second detection signal generated by the electrochemical detection module respectively; the first detection signal and the second detection signal are outputted to the display module after being processed to display the concentration value of a sample in real time. The water quality analyzer integrates a spectrophotometric method and an electrochemical analytic method, adopts a nondestructive analysis method, is not affected by the color and the turbidity of a sample solution, and has the characteristics that the structure is simple, the cost is low, the debugging and the operation of an instrument are simple and convenient, and the automation is easily realized.
Description
Technical field
The utility model relates to a kind of quality control and analytical instrument, relates in particular to a kind of analytical instrument of water quality, integrates spectrophotometric method and electrochemical methods, by the multi parameter analysis to water body, realizes the purpose of quality control.
Background technology
The water analysis method can be divided into qualitative analysis and quantitative test.Wherein quantitative test can be divided into chemical analysis and instrumental analysis again.Spectrophotometric method and electrochemical methods are two kinds of analysis means that instrumental analysis is used usually.
Spectrophotometric method is by measuring absorbance or the luminous intensity of measured matter light in certain wave strong point or certain wavelength coverage, this material is carried out to the method for qualitative and quantitative analysis.Its analysis result meets Lambert-Beer's law (Lambert-Beer).For example: Chinese utility model patent ZL201120351880.9 discloses a kind of multispectral water-quality analyser, it comprises water quality detection part, water analysis part and power module, water quality detection partly comprises camera bellows, the light source generator, the testing liquid that are positioned at camera bellows take up container and color sensor, light source generator sends white light and shone testing liquid, and the color of liquid is thrown on color sensor.The partly collection by data and to the processing of data of water analysis, be translated into the parameter of water quality, by the content value of compound in the chromatogram value judgement reagent in detection of reflected past.And for example: Chinese utility model patent ZL201120371681.4 discloses a kind of water quality analytical system, comprise peristaltic pump, multi-channel direction selecting valve, liquid capacity-fixed pipe, air insulated pipe, reaction-detecting unit, detector of liquid, some connecting lines and some reagent bottles as fluid driver, the fluid of described peristaltic pump in can positive and negative bi-directional drive water quality analytical system, described reaction-detecting unit comprises that reaction vessel, upper stop valve, lower stop valve, heating arrangement, light emission module and photoelectricity receive modular converter.
Electrochemical methods (electrochemical analysis) is the important component part of another kind of instrumental analysis.It is according to the electrochemical properties of material in solution and Changing Pattern thereof, is based upon with current potential, electricity and leads, on the basis of quantitative relation between the electrical quantities such as electric current and electric weight and measured matter tittle, component is carried out to the instrument analytical method of quantitative and qualitative analysis.Electrochemical methods is divided into three types, and the present invention uses wherein topmost one type: potentiometry.Potentiometry is with an indicator electrode and a contrast electrode and test solution constitutional chemistry battery, measures the electromotive force of battery under the zero current condition, the method for being analyzed according to this.Measure the analytical approach of amount by the potential electrode current potential.If can determine electrode potential E, can obtain activity or the concentration of this material.Relation between the activity of detected water sample or concentration and the current potential E that records can be explained E=E with the Nernst mathematical way
0+ slope loga
i.Wherein E0 and slope are constants, a
iwhat mean is ion concentration.For example: Chinese utility model patent ZL201220408293.3 discloses a kind of Portable water-quality analysis instrument, comprise analog measuring circuit, digital conversion circuit, microprocessor, dissolved oxygen electrode, conductance electrode, PH electrode, contrast electrode are connected with analog measuring circuit respectively, analog measuring circuit is connected with digital conversion circuit, digital conversion circuit is connected with microprocessor, and microprocessor is connected with memory module, touch-control module, display module and on-line detecting system respectively.
With single spectrophotometric method or singlely take the Water Test Kits that electrochemical methods is measuring principle advantages and disadvantages is separately arranged.The former instrument long service life, machining accuracy requires high, to tested water quality restricted (as: color of tested water quality is darker, bubble is arranged in water and have solids etc. all can affect measurement result), operation relative complex, response time is slow, measurement parameter is limited, and latter's machining is relatively simple, and the response time is fast, be a kind of non-destroyed measurement, but the instrument life-span is short.
The utility model content
The purpose of this utility model is to provide a kind of multiparameter water quality analyzer, and spectrophotometric method and 2 kinds of measuring techniques of electrochemical methods are mixed to application, not only combines the advantage of two kinds of technology, has also realized technology complementation, has overcome technical deficiency separately.
A kind of multiparameter water quality analyzer that the utility model provides comprises:
The spectrophotomelric assay module, detected testing sample with spectrophotometric method, and export the first detection signal;
The Electrochemical Detection module, detected testing sample with electrochemical method, and export the second detection signal;
Control module, receive the first detection signal and the second detection signal;
Power module, be connected with control module;
Display module, receive and resolve the data that demonstration and control module transmit.
The utility model, the spectrophotomelric assay module, measured and analyzed water quality according to spectrophotometric method, and it comprises light source, the first detection cell, the first silicon photocell, the second silicon photocell, I/V modular converter and the first amplifying circuit.The first silicon photocell, the second silicon photocell and the first amplifying circuit are connected with the I/V modular converter respectively, and the first amplifying circuit is connected with control module, to it, export the first detection signal.
The utility model, the Electrochemical Detection module, measured and analyzed water quality according to electrochemical process, and it comprises the second detection cell, electrochemical detection electrode group, collector and the second amplifying circuit.The electrochemical detection electrode group is placed in the second detection cell, and collector is connected with the electrochemical detection electrode group, the acquisition electrode voltage signal, and input amplifier is connected with control module with collector respectively with output terminal.
The utility model multiparameter water quality analyzer, integrate spectrophotometric method and electrochemical methods, is a kind of nondestructive analytical approach, is not subject to the color of sample solution and the impact of turbidity.Also further enlarged the usable range of instrument, measurement range is larger, and parameter is more, the response time fast (being generally 1-2min), realized the detection index that Drinking Water relates to, and all can be detected by this instrument.
The utility model multiparameter water quality analyzer, simple in structure, cheap, the debugging of instrument and easy and simple to handle, easily realize robotization.
The accompanying drawing explanation
The structured flowchart that Fig. 1 is the utility model multiparameter water quality analyzer one embodiment.
Embodiment
Describe the technical solution of the utility model in detail below in conjunction with accompanying drawing.The utility model embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical scheme of utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in claim scope of the present utility model.
The structured flowchart that Fig. 1 is the utility model multiparameter water quality analyzer one embodiment, as shown in Figure 1, this Water Test Kits, comprise spectrophotomelric assay module 100, Electrochemical Detection module 200, control module 300, display module 400 and power module 500.Power module 500 is connected in control module 300.In the present embodiment, control module 300 adopts C8051F350 as core controller, also is furnished with STM32F103 processor 310, by the serial connection interface, with display module, is connected.
Claims (3)
1. a multiparameter water quality analyzer, is characterized in that comprising
The spectrophotomelric assay module, detected testing sample with spectrophotometric method, and export the first detection signal;
The Electrochemical Detection module, detected testing sample with electrochemical method, and export the second detection signal;
Control module, receive the first detection signal and the second detection signal;
Power module, be connected with control module;
Display module, receive and resolve the data that demonstration and control module transmit.
2. multiparameter water quality analyzer according to claim 1, is characterized in that described spectrophotomelric assay module comprises light source, the first detection cell, the first silicon photocell, the second silicon photocell, I/V modular converter and the first amplifying circuit; Described the first silicon photocell, described the second silicon photocell and described the first amplifying circuit are connected with described I/V modular converter respectively, and described the first amplifying circuit is connected with described control module, export described the first detection signal.
3. multiparameter water quality analyzer according to claim 1, is characterized in that described Electrochemical Detection module comprises the second detection cell, electrochemical detection electrode group, collector and the second amplifying circuit; Described electrochemical detection electrode group is placed in described the second detection cell, described collector is connected with described electrochemical detection electrode group, the acquisition electrode voltage signal, described input amplifier is connected with described control module with described collector respectively with output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320426659 CN203365316U (en) | 2013-07-17 | 2013-07-17 | Multi-parameter water quality analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320426659 CN203365316U (en) | 2013-07-17 | 2013-07-17 | Multi-parameter water quality analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203365316U true CN203365316U (en) | 2013-12-25 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320426659 Expired - Fee Related CN203365316U (en) | 2013-07-17 | 2013-07-17 | Multi-parameter water quality analyzer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983585A (en) * | 2014-06-06 | 2014-08-13 | 力合科技（湖南）股份有限公司 | Multi-parameter water quality analyzer |
| CN104483283A (en) * | 2014-12-29 | 2015-04-01 | 山西鑫华翔科技发展有限公司 | Non-deviation spectropho-tometry measurement circuit |
| CN106442415A (en) * | 2016-12-16 | 2017-02-22 | 哈尔滨工业大学 | Household drinking water quality online detection device |
| CN107478617A (en) * | 2017-09-04 | 2017-12-15 | 中国计量大学 | Long-range underground water multi-parameter online test method and measurement apparatus |
| CN108037080A (en) * | 2017-12-13 | 2018-05-15 | 百奥森（江苏）食品安全科技有限公司 | A kind of Water quality detected system |
| CN108181351A (en) * | 2017-12-30 | 2018-06-19 | 北方工业大学 | Portable water quality monitoring parameter voltage/current signal processing circuit |
| CN111272671A (en) * | 2020-02-26 | 2020-06-12 | 上海锆仪电子科技有限公司 | Automatic wavelength selection water quality detection system |
-
2013
- 2013-07-17 CN CN 201320426659 patent/CN203365316U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983585A (en) * | 2014-06-06 | 2014-08-13 | 力合科技（湖南）股份有限公司 | Multi-parameter water quality analyzer |
| CN104483283A (en) * | 2014-12-29 | 2015-04-01 | 山西鑫华翔科技发展有限公司 | Non-deviation spectropho-tometry measurement circuit |
| CN106442415A (en) * | 2016-12-16 | 2017-02-22 | 哈尔滨工业大学 | Household drinking water quality online detection device |
| CN107478617A (en) * | 2017-09-04 | 2017-12-15 | 中国计量大学 | Long-range underground water multi-parameter online test method and measurement apparatus |
| CN107478617B (en) * | 2017-09-04 | 2023-10-31 | 中国计量大学 | Remote underground water multi-parameter on-line detection method and measurement device |
| CN108037080A (en) * | 2017-12-13 | 2018-05-15 | 百奥森（江苏）食品安全科技有限公司 | A kind of Water quality detected system |
| CN108181351A (en) * | 2017-12-30 | 2018-06-19 | 北方工业大学 | Portable water quality monitoring parameter voltage/current signal processing circuit |
| CN111272671A (en) * | 2020-02-26 | 2020-06-12 | 上海锆仪电子科技有限公司 | Automatic wavelength selection water quality detection system |
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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: 20131225 Termination date: 20150717 |
|
| EXPY | Termination of patent right or utility model |