CN108872348A - A kind of no film chlorine residue measurement and control instrument - Google Patents
A kind of no film chlorine residue measurement and control instrument Download PDFInfo
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- CN108872348A CN108872348A CN201810634979.6A CN201810634979A CN108872348A CN 108872348 A CN108872348 A CN 108872348A CN 201810634979 A CN201810634979 A CN 201810634979A CN 108872348 A CN108872348 A CN 108872348A
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- chlorine residue
- measurement
- film
- control instrument
- chip microcontroller
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/4166—Systems measuring a particular property of an electrolyte
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Abstract
The invention discloses a kind of no film chlorine residue measurement and control instruments, including single-chip microcontroller, analog-digital converter, chlorine residue Acquisition Circuit and potentiostat circuit module, pH electrode signal acquisition circuit module, single-chip microcontroller is equipped in the measurement and control instrument, the connection of the serial line interface of single-chip microcontroller and analog-digital converter, analog-digital converter input terminal is connected separately with chlorine residue Acquisition Circuit and potentiostat circuit module and pH electrode signal acquisition circuit module, chlorine residue Acquisition Circuit and potentiostat circuit module input are equipped with no film residual chlorine sensor interface, pH electrode signal acquisition circuit module input terminal is equipped with pH sensor interface, the output end of single-chip microcontroller is connected with display.The data of the correlation of no film residual chlorine sensor acquisition are shown result by display after amplification, processing and calculating when in use by measurement and control instrument of the invention, realize the measurement of chlorine residue in detected solution, it is compensated by pH value of the pH electrode signal acquisition module to solution, the chlorine residue measurement data made is more accurate.
Description
Technical field
The present invention relates to water quality monitoring fields, and in particular to a kind of no film chlorine residue measurement and control instrument.
Background technique
There are many measurement method of chlorine residue in water, mainly there is chemical analysis, spectrophotometry, the chromatography of ions and electrochemistry
Method, wherein chemical analysis and the chromatography of ions are mainly applied in the lab, and spectrophotometry is most common to be tried using DPD
Agent, based on portable or lab bench instrument.The on-line instrument that oneself has at present is with spectrophotometry and electrochemical process
Main, the spectrophotometry for on-line instrument is actually to move laboratory spectrophotometry in field instrumentation to, using taking
Sample, pre-treatment, the method for being automatically added to reagent, obtain measurement data indirectly, and strictly, this method is not really truly
On-line measurement instrument.The on-line measurement problem using very good solution chlorine residue of electrochemical process, especially without film sensors
Design, not only simplify the care and maintenance of chlorine residue on-line instrument, and extend the service life of probe, facilitate survey
Amount.
Summary of the invention
It is an object of the invention to solve above-mentioned technical problem, a kind of no film chlorine residue measurement and control instrument is provided.
In order to achieve the above object, the present invention is achieved by the following technical solutions：
A kind of no film chlorine residue measurement and control instrument, including single-chip microcontroller, analog-digital converter, without film residual chlorine sensor interface, pH sensor
Interface, chlorine residue Acquisition Circuit and potentiostat circuit module, pH electrode signal acquisition circuit module, display, it is characterised in that：
Single-chip microcontroller is equipped in the measurement and control instrument, the single-chip microcontroller is connect with the serial line interface of the analog-digital converter, the analog-to-digital conversion
The analog input end of device is connected separately with chlorine residue Acquisition Circuit and potentiostat circuit module and pH electrode signal Acquisition Circuit
The signal input part of the signal output end of module, the chlorine residue Acquisition Circuit and potentiostat circuit module is connected with no film chlorine residue
Sensor interface, the signal input part of the pH electrode signal acquisition circuit module are connected with pH sensor interface, the monolithic
The output end of machine is connected with display by display circuit.
Preferably, the no film chlorine residue measurement and control instrument further includes power module, and the power module is respectively single-chip microcontroller, mould
Number converter power supply.
Preferably, the single-chip microcontroller is 51 series monolithics.
Preferably, the analog-digital converter is TLC2543.
Preferably, the working electrode of the no film residual chlorine sensor and reference electrode use metal platinum, and reference electrode is silver-
One of silver chloride electrode, mercury-calomel electrode, mercury-mercurous sulfate electrode.
When in use, on the working electrode and reference electrode of no film residual chlorine sensor plus one solid for measurement and control instrument of the invention
Fixed polarizing voltage generates a polarization reaction this when on the electrode, the electric current and substances to be measured that polarization reaction generates
Concentration there is correlation, the data of this correlation are sampled, amplification, processing and shown by display after calculating as a result,
Realize the on-line measurement of chlorine residue in detected solution.Since when measuring chlorine residue, the pH value of solution may influence measurement result,
It needs this when to carry out pH compensation, therefore joined pH electrode signal acquisition module in monitor after treatment can
It is compensated well for pH, the chlorine residue measurement data made is more accurate.
Detailed description of the invention
Fig. 1 is the structure principle chart of chlorine residue monitor of the present invention；
Fig. 2 is the circuit diagram of chlorine residue Acquisition Circuit and potentiostat circuit module in the present invention；
Fig. 3 is the circuit diagram of pH electrode signal acquisition circuit module in the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.
As shown in Figure 1-3, a kind of no film chlorine residue measurement and control instrument of the present invention, including single-chip microcontroller 1, analog-digital converter 2, nothing
Film residual chlorine sensor interface, pH sensor interface, chlorine residue Acquisition Circuit and potentiostat circuit module 3, the acquisition of pH electrode signal
Circuit module 4, display, it is characterised in that：Single-chip microcontroller 1, the single-chip microcontroller 1 and the analog-to-digital conversion are equipped in the measurement and control instrument
The serial line interface of device 2 connects, and the analog input end of the analog-digital converter 2 is connected separately with chlorine residue Acquisition Circuit and constant potential
The signal output end of instrument circuit module 3 and pH electrode signal acquisition circuit module 4, the chlorine residue Acquisition Circuit and potentiostat electricity
The signal input part of road module 3 is connected with no film residual chlorine sensor interface, the signal of the pH electrode signal acquisition circuit module 4
Input terminal is connected with pH sensor interface, and the output end of the single-chip microcontroller 1 is connected with display 7 by display circuit.
Described further includes power module 8 without film chlorine residue measurement and control instrument, and the power module 8 is respectively single-chip microcontroller 1, modulus turn
Parallel operation 2 is powered；The single-chip microcontroller 1 is 51 series monolithics, and the analog-digital converter 2 is TLC2543, the no film chlorine residue
The working electrode and reference electrode of sensor 5 use metal platinum, and reference electrode is silver-silver chloride electrode, mercury-calogreen electricity
One of pole, mercury-mercurous sulfate electrode.
When in use, on the working electrode and reference electrode of no film residual chlorine sensor plus one solid for monitor of the invention
Fixed polarizing voltage generates a polarization reaction this when on the electrode, the electric current and substances to be measured that polarization reaction generates
Concentration there is correlation, the data of this correlation are sampled, amplification, processing and shown by display after calculating as a result,
Realize the on-line measurement of chlorine residue in detected solution.Since when measuring chlorine residue, the pH value of solution may influence measurement result,
It needs this when to carry out pH compensation, therefore joined pH electrode signal acquisition module in monitor after treatment can
It is compensated well for pH, the chlorine residue measurement data made is more accurate.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of no film chlorine residue measurement and control instrument, including single-chip microcontroller, analog-digital converter, connect without film residual chlorine sensor interface, pH sensor
Mouth, chlorine residue Acquisition Circuit and potentiostat circuit module, pH electrode signal acquisition circuit module, display, it is characterised in that：Institute
It states and is equipped with single-chip microcontroller in measurement and control instrument, the single-chip microcontroller is connect with the serial line interface of the analog-digital converter, the analog-digital converter
Analog input end be connected separately with chlorine residue Acquisition Circuit and potentiostat circuit module and pH electrode signal Acquisition Circuit mould
The signal input part of the signal output end of block, the chlorine residue Acquisition Circuit and potentiostat circuit module is connected with no film chlorine residue and passes
Sensor interface, the signal input part of the pH electrode signal acquisition circuit module are connected with pH sensor interface, the single-chip microcontroller
Output end display is connected with by display circuit.
2. a kind of no film chlorine residue measurement and control instrument according to claim 1, it is characterised in that：It is described without film chlorine residue measurement and control instrument also
Including power module, the power module is respectively single-chip microcontroller, analog-digital converter power supply.
3. a kind of no film chlorine residue measurement and control instrument according to claim 1, it is characterised in that：The single-chip microcontroller is that 51 series are single
Piece machine.
4. a kind of no film chlorine residue measurement and control instrument according to claim 1, it is characterised in that：The analog-digital converter is
TLC2543。
5. a kind of no film chlorine residue measurement and control instrument according to claim 1, it is characterised in that：The work of the no film residual chlorine sensor
Make electrode and reference electrode using metal platinum, reference electrode is silver-silver chloride electrode, mercury-calomel electrode, mercury-sulfuric acid Asia
One of mercury electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810634979.6A CN108872348A (en) | 2018-06-20 | 2018-06-20 | A kind of no film chlorine residue measurement and control instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810634979.6A CN108872348A (en) | 2018-06-20 | 2018-06-20 | A kind of no film chlorine residue measurement and control instrument |
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| Publication Number | Publication Date |
|---|---|
| CN108872348A true CN108872348A (en) | 2018-11-23 |
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| CN201810634979.6A Pending CN108872348A (en) | 2018-06-20 | 2018-06-20 | A kind of no film chlorine residue measurement and control instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231379A (en) * | 2019-06-12 | 2019-09-13 | 成都万众壹芯生物科技有限公司 | A kind of residual chlorine sensor and application thereof based on electrochemical principle |
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| JP2006138650A (en) * | 2004-11-10 | 2006-06-01 | Yazaki Corp | Liquid concentration measuring device |
| CN202330399U (en) * | 2011-08-24 | 2012-07-11 | 北京边华电化学分析仪器有限公司 | Wireless communication water quality analyzer |
| CN203069546U (en) * | 2013-01-07 | 2013-07-17 | 北京农业智能装备技术研究中心 | Residual chlorine detection instrument and residual chlorine detection device |
| CN104215679A (en) * | 2014-09-30 | 2014-12-17 | 国家电网公司 | Electrochemical method for measuring free residual chlorine in water |
| CN204086286U (en) * | 2014-08-25 | 2015-01-07 | 深圳市航创医疗设备有限公司 | Full automatic multiple parameter online water analysis instrument |
| KR101575008B1 (en) * | 2015-05-18 | 2015-12-07 | 길주형 | None membrane 3-electrode residual chlorine sensor |
| CN205538799U (en) * | 2016-04-11 | 2016-08-31 | 苏州申贝仪器有限公司 | Novel chlorine residue water quality testing appearance |
| CN205991956U (en) * | 2016-08-02 | 2017-03-01 | 安徽泛亚环保科技有限公司 | A kind of online chlorine residue detection means |
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2018
- 2018-06-20 CN CN201810634979.6A patent/CN108872348A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2224421Y (en) * | 1995-01-11 | 1996-04-10 | 邓伯庄 | Portable water-quality analysis instrument |
| CN2632668Y (en) * | 2003-08-22 | 2004-08-11 | 湖南利德投资股份有限公司 | Portable water quality analyzer based on LED |
| JP2006138650A (en) * | 2004-11-10 | 2006-06-01 | Yazaki Corp | Liquid concentration measuring device |
| CN202330399U (en) * | 2011-08-24 | 2012-07-11 | 北京边华电化学分析仪器有限公司 | Wireless communication water quality analyzer |
| CN203069546U (en) * | 2013-01-07 | 2013-07-17 | 北京农业智能装备技术研究中心 | Residual chlorine detection instrument and residual chlorine detection device |
| CN204086286U (en) * | 2014-08-25 | 2015-01-07 | 深圳市航创医疗设备有限公司 | Full automatic multiple parameter online water analysis instrument |
| CN104215679A (en) * | 2014-09-30 | 2014-12-17 | 国家电网公司 | Electrochemical method for measuring free residual chlorine in water |
| KR101575008B1 (en) * | 2015-05-18 | 2015-12-07 | 길주형 | None membrane 3-electrode residual chlorine sensor |
| CN205538799U (en) * | 2016-04-11 | 2016-08-31 | 苏州申贝仪器有限公司 | Novel chlorine residue water quality testing appearance |
| CN205991956U (en) * | 2016-08-02 | 2017-03-01 | 安徽泛亚环保科技有限公司 | A kind of online chlorine residue detection means |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231379A (en) * | 2019-06-12 | 2019-09-13 | 成都万众壹芯生物科技有限公司 | A kind of residual chlorine sensor and application thereof based on electrochemical principle |
| CN110231379B (en) * | 2019-06-12 | 2024-05-28 | 成都万众壹芯生物科技有限公司 | Residual chlorine sensor based on electrochemical principle and application thereof |
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