CN205210019U - Novel intelligence chlorine residue short -term test appearance - Google Patents

Novel intelligence chlorine residue short -term test appearance Download PDF

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Publication number
CN205210019U
CN205210019U CN201520716456.8U CN201520716456U CN205210019U CN 205210019 U CN205210019 U CN 205210019U CN 201520716456 U CN201520716456 U CN 201520716456U CN 205210019 U CN205210019 U CN 205210019U
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China
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electrode
chlorine residue
connects
chip microcomputer
electrolytic cell
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Expired - Fee Related
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CN201520716456.8U
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Chinese (zh)
Inventor
王小云
戴领
孙嘉睿
刘正中
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Abstract

The utility model provides a novel intelligence chlorine residue short -term test appearance relates to water quality testing technical equipment. It includes DC power supply, electrolytic bath, electrolyte, electrode and electrically controlled device. Electrically controlled device is the singlechip. Establish a pair of working electrode and a pair of indicator electrode in the electrolytic bath, DC power supply's positive pole is connected to working electrode's positive pole, and DC power supply's negative pole is connected to its negative pole. The microcontroller type end is connected to the positive pole of indicator electrode, and its negative pole concatenates an adjustable resistance, and the DC power supply negative pole is connected to the resistance other end. Still include pusher and electromagnetic agitator and pH value sensor. The utility model discloses produced beneficial effect is: this chlorine residue detector uses the singlechip as control core to constant current coulometric titration method and faraday's law of electrolysis are theoretical foundation, full -automatic, the high accuracy that combines that PH sensor, electromagnetic agitator, pusher etc. Constitute, portable chlorine residue detector. Calculating the power consumption Q among the whole electrolysis reaction sequence by the singlechip, calculating the content of aquatic chlorine residue by the singlechip through software simultaneously, the testing process is rapid, and the result is accurate, surveys efficiently.

Description

Novel intelligent chlorine residue fast detector
Technical field:
The utility model relates to water quality inspection technique equipment, relates generally to the checkout equipment of the chloride index of potable water, particularly the intelligent chlorine residue fast detector of one.
Background technology:
After chlorine residue refers to that water contacts certain hour with chlorine family sanitizer, remain in the chlorine in water, namely referring to that chlorine drops into after in water, consuming except a part of chlorine dose except acting on bacterium, microorganism, organism, inorganics etc. in water, also leave a part of chlorine dose, this part chlorine dose is just called chlorine residue.For guaranteeing that tap water meets safety and health request, avoid water-borne epidemic occurs, tap water will add sanitizer in clean water treatment process, the pathogenic microorganisms in Inactivation in Water.Because chlorine cost performance is higher, be therefore widely adopted in water treatment field at home.If output water does not have chlorine or chlorine dosage not, in pipe network, just may make the microorganism such as bacterium, Escherichia coli amount reproduction, affect ductwork water quality.If the residual chlorine residue in water exceeds chlorine residue range of normal value, serious harm will can be produced to people, environment, therefore contents of residual chlorine is an important indicator in sanitary standard for drinking water, in measure water, the content of chlorine residue is very necessary, certain residual chlorine amount must be ensured in water supply network, country is to water quality standard regulation, and chlorine content generally should remain between 0.5 ~ 0.6mg/L.
Adopt iodimetric titration and colorimetric determination contents of residual chlorine both at home and abroad at present, but all there is very large drawback in these two kinds of methods more.Iodimetric titration sensing range is less, is only applicable to measure the water sample of contents of residual chlorine at more than 1mg/L, and is easily disturbed, sensitivity low (0.05mg/L); Colourimetry is subject to the turbidity of water and the impact of colourity, the poor accuracy of acquired results.Now be badly in need of developing high, the intelligence residual chlorine detecting instrument fast of a kind of detection sensitivity.
Utility model content:
The purpose of this utility model, be the deficiency and the defect that overcome existing chlorine residue detection method and equipment, there is provided a kind of novel intelligent chlorine residue fast detector, it is based on micro-computer technology and coulometric titration constant-current electrolysis theory, and accuracy of detection is high, highly sensitive, intelligence degree is high.
Content of the present utility model, novel intelligent chlorine residue fast detector, comprises direct supply, electrolytic cell, electrolytic cell Inner electrolysis matter and electrode and electric control gear.Described electric control gear is single-chip microcomputer 4.In electrolytic cell 6, set electrode comprises a pair working electrode 7 and a pair indicator electrode 8.The anode of a pair working electrode connects the positive pole of direct supply and the power end f of single-chip microcomputer, and its negative electrode connects the negative pole of direct supply.The anode of a pair indicator electrode connects the input end a of single-chip microcomputer 4, and its negative electrode is connected in series a variable resistor 9, and the variable-resistance other end connects DC power cathode.This intelligent chlorine residue fast detector also comprises a magnetic stirrer 10, and its control end connects Single-chip Controlling signal output part d.Also comprise a pusher 11, its control end connects Single-chip Controlling signal output part e; Also comprise the pH value sensor 12 be located in electrolytic cell, pH value sensor signal output terminal connects single-chip microcomputer signal input part c.
The further optimal technical scheme of the utility model is, signal output part h, g of described single-chip microcomputer 4 connect digital tube display device 5.Described direct supply is solar cell, it controller for solar 2 comprising solar panel 1, be connected with solar panel, and controller for solar connects accumulator 3.
The beneficial effect that the utility model produces:
The utility model take single-chip microcomputer as control core, with continuous current Coulomb equation and Faraday's laws of electrolysis for theoretical foundation, in conjunction with full-automatic, the high-precision Portable testing instrument for spent chlorine that PH sensor, magnetic stirring apparatus, pusher etc. are formed.A pair working electrode in this detector in coulomb electrolytic cell produces drop reaction by constant DC current, another is used to refer to the arrival of " terminal " to indicator electrode, by monolithic counter recording reacting time, when " terminal " arrives, single-chip microcomputer sends signal stopping titration, to be accurately calculated the power consumption (Q=It) in whole electrolytic reaction process by software by single-chip microcomputer, and calculated the content of chlorine residue in water outlet by software (Faraday's laws of electrolysis) by single-chip microcomputer thereupon, be shown in charactron simultaneously, testing process is rapid, result is accurate, determination efficiency is high.
Accompanying drawing illustrates:
Accompanying drawing 1 the utility model electricity principles of construction figure
Accompanying drawing 2 the utility model detector stereographic map
Embodiment:
Above-mentioned Figure of description 1 and 2 gives a kind of embodiment of the present utility model.
Below in conjunction with accompanying drawing, aufbauprinciple of the present utility model and concrete implementation and operation process are described in detail.This intelligent chlorine residue fast detector, comprises direct supply, electrolytic cell, electrolytic cell Inner electrolysis matter and electrode and electric control gear.Described electric control gear is 89C52 single-chip microcomputer 4.In electrolytic cell 6, set electrode comprises a pair working electrode 7 and a pair indicator electrode 8.The anode of a pair working electrode connects the positive pole of direct supply and the power end f of single-chip microcomputer, and its negative electrode connects the negative pole of direct supply.The anode of a pair indicator electrode connects the input end a of single-chip microcomputer 4, and its negative electrode is connected in series a variable resistor 9, and the variable-resistance other end connects DC power cathode.This intelligent chlorine residue fast detector also comprises a magnetic stirrer 10, and its control end connects Single-chip Controlling signal output part d.Also comprise a pusher 11, its control end connects Single-chip Controlling signal output part e; Also comprise the pH value sensor 12 be located in electrolytic cell, pH value sensor signal output terminal connects single-chip microcomputer signal input part c.Signal output part h, g of described single-chip microcomputer 4 connect digital tube display device 5.Described direct supply is solar cell, it controller for solar 2 comprising solar panel 1, be connected with solar panel, and controller for solar connects accumulator 3.
The course of work: it is to be measured containing chlorine residue water sample to add 100mL in electrolytic cell 6, adds 1moL/L acetum, make place's sour environment in electrolytic cell.Press power switch K, in electrolytic cell 6, push 150mL electrolyte potassium iodide KI and vs Na by pusher 11 2s 2o 3mixed solution, is stirred by magnetic stirrer 10 simultaneously, electrolysis and redox reaction occurs, chlorine residue and I in water in electrolytic cell -reaction generates I 2, I 2rapidly again by Na 2s 2o 3be reduced to I -, there is redox reaction and electrode reaction.The PH detected in solution when PH sensor is reduced to 4, and change simultaneously and according to indicator electrode circuital current and judge reaction " terminal ", " terminal " arrives, and Single-chip Controlling pusher and stirrer quit work.Single-chip microcomputer obtains power consumption Q to current integration in circuit, and single-chip microcomputer calculates contents of residual chlorine in solution by relevant conversion relation, data is passed in charactron simultaneously and shows.
Above-mentioned course of reaction, be worth by adjustment variable resistor 9 and add a lower voltage to indicator electrode 8, present embodiment applies 50mV voltage, because impressed voltage is very little, except reversible electrode, other materials can not be oxidized and reduce on negative electrode on anode, therefore, now in loop, no current passes through, and galvanometric pointer does not deflect.Na in the solution 2s 2o 3not by before complete reaction, in solution, only has I -and there is not I 2, indication mechanism no current passes through.And work as the I of electrolysis generation 2with Na in solution to be measured 2s 2o 3after reacting completely, in solution, remain I 2with simultaneous I -form reversible system, generating electrodes is reacted by the two-wave interpretation of indicator electrode, and electric current now will be had in indicator electrode loop to pass through, and galvanometric pointer has large deflection, illustrates that reaction " terminal " arrives, and single-chip microcomputer sends control signal makes electrolysis automatically terminate.
This chlorine residue fast detector adopts new forms of energy solar cell, energy-conserving and environment-protective.Accompanying drawing 1 is solar powered situation in laboratory work.When go out flow detection time, can carry and be powered by the accumulator 3 of solar charging accumulate.

Claims (3)

1. novel intelligent chlorine residue fast detector, comprises direct supply, electrolytic cell, electrolytic cell Inner electrolysis matter and electrode and electric control gear, it is characterized in that, described electric control gear is single-chip microcomputer (4); In described electrolytic cell (6), set electrode comprises a pair working electrode (7) and a pair indicator electrode (8); The anode of a pair working electrode (7) connects the positive pole of direct supply and the power end f of single-chip microcomputer, and its negative electrode connects the negative pole of direct supply; The anode of a pair indicator electrode (8) connects the input end a of single-chip microcomputer (4), and its negative electrode is connected in series a variable resistor (9), and the variable-resistance other end connects DC power cathode; Also comprise magnetic stirrer (10), its control end connects Single-chip Controlling signal output part d; Also comprise pusher (11), its control end connects Single-chip Controlling signal output part e; Also comprise the pH value sensor (12) be located in electrolytic cell, the signal output part of pH value sensor connects single-chip microcomputer signal input part c.
2. novel intelligent chlorine residue fast detector according to claim 1, is characterized in that, signal output part h, g of described single-chip microcomputer (4) connect digital tube display device (5).
3. novel intelligent chlorine residue fast detector according to claim 1 or 2, it is characterized in that, described direct supply is solar cell, it controller for solar (2) comprising solar panel (1), be connected with solar panel, controller for solar connects accumulator (3).
CN201520716456.8U 2015-09-08 2015-09-08 Novel intelligence chlorine residue short -term test appearance Expired - Fee Related CN205210019U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520716456.8U CN205210019U (en) 2015-09-08 2015-09-08 Novel intelligence chlorine residue short -term test appearance

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Application Number Priority Date Filing Date Title
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CN205210019U true CN205210019U (en) 2016-05-04

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105223255A (en) * 2015-09-08 2016-01-06 王小云 A kind of intelligent chlorine residue fast detector
CN106324039A (en) * 2016-08-04 2017-01-11 重庆和航物联网技术研究院有限公司 Residual chlorine online remote monitoring system and method
CN110749639A (en) * 2019-09-23 2020-02-04 北京华科仪科技股份有限公司 Full-automatic calibration device and method for electrode-method residual chlorine instrument

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105223255A (en) * 2015-09-08 2016-01-06 王小云 A kind of intelligent chlorine residue fast detector
CN105223255B (en) * 2015-09-08 2019-04-12 王小云 A kind of intelligence chlorine residue fast detector
CN106324039A (en) * 2016-08-04 2017-01-11 重庆和航物联网技术研究院有限公司 Residual chlorine online remote monitoring system and method
CN110749639A (en) * 2019-09-23 2020-02-04 北京华科仪科技股份有限公司 Full-automatic calibration device and method for electrode-method residual chlorine instrument

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