CN2084619U - Automatic titration analysis device - Google Patents
Automatic titration analysis device Download PDFInfo
- Publication number
- CN2084619U CN2084619U CN 89214855 CN89214855U CN2084619U CN 2084619 U CN2084619 U CN 2084619U CN 89214855 CN89214855 CN 89214855 CN 89214855 U CN89214855 U CN 89214855U CN 2084619 U CN2084619 U CN 2084619U
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- CN
- China
- Prior art keywords
- titration
- solution
- reaction cup
- microcomputer
- titrimetry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The utility model relates to a microcomputer-controlled automatic color sorting titration analysis device, comprising a constant flow pump, a titration device, a color sorting device, a cycle sampling system, a magnetic stirrer, a microcomputer, etc. Colorless titrated solution and titrant mutually act on each other in titration process, or the colorless titrated solution is changed into colored solution by the action of indicator agent. At the instant moment that the colorless titrated solution is changed into the colored solution, the color sorting device detect the absorbance variation of the solution, and according to the variation, a titration end point is confirmed, and the titration is terminated. Simultaneously, according to a titer, the concentration value of the titrated solution is figured out. The application of the titrated solution and auxiliary reagent, the titration process and the termination of the titration process are uniformly controlled by the microcomputer. The result of titration is displayed by a display device and printed and output by the microcomputer. When detection result is deviated, the deviation is fed back to an actuating device, the configuration procedure of process solution is automatically adjusted. The sampling and titration process of the process solution is continuous proceeded.
Description
The utility model relates to the microcomputer-controlled look titrimetry device of distinguishing automatically of a kind of usefulness.
Titrimetry device now mostly is manual operations, naked-eye observation, and precision is low, and timeliness is slow.When the working solution of continuous configuration of titration and use, from measuring the solution concentration deviation, to pass through the quite a long time to adjusting the working solution layoutprocedure, in during this period of time, configured and used the solution of the configuration deviation of some, the product quality of producing is affected, the needs that the incompatibility continuous high speed is produced.
The purpose of this utility model be set up a kind of can avoid above-mentioned shortcoming by the microcomputer-controlled look titration apparatus of distinguishing automatically, control titration process automatically.In titration process, titrated solution acts on mutually with titrant, or is become the moment of colored solutions by the indicator effect, determines titration end-point by hue discrimination device, shows titration results and printout.When titration results had deviation, energy is FEEDBACK CONTROL topworks in time, adjusted the layoutprocedure of working solution.Sampling titration process to working solution carries out continuously.
The utility model mainly is made up of constant flow pump 37, titration apparatus 49, hue discrimination device 42, magnetic stirring apparatus 38, cycle sampling system 50 and microsystem five parts.The off-the-shelf of constant flow pump 37 for buying from market, adopt stepping motor drive installation 6 " T " character wheels 16 in eccentric disc to rotate, " T " character wheel 16 hobs the sebific duct 17 of a contain vs in the eccentric disc, produces pressure differential in the sebific duct 17, liquid in pipe is flowed ooze.Titration apparatus 49 comprises parts such as water dropper 2, photoelectricity drop recorder 3, reaction cup 5.A tubule 1 on the water dropper 2 is connected with the sebific duct 17 of constant flow pump 37.Photoelectricity drop recorder 3 is positioned at water dropper 2 bottoms, is fixed on the support 12 of magnetic stirring apparatus 38, and drop recorder 3 is provided with and is electrically connected plug 15.Reaction cup 5 places on the supporting plate 10 of magnetic stirring apparatus 38, the inlet 4 that adds reagent and dripped solution is arranged at the top, side of reaction cup 5, for fully stirring and when stirring, not producing foam,, on dividing plate 7 with holes, can respectively place stirrer 6 with the bottom of reaction cup 5 at reaction cup 5 built-in dividing plates 7 with holes.Tap hole 13 is established in the bottom of reaction cup 5.Hue discrimination device 42 is made up of light source 8 and receiver 9 two parts, is fixed on the both sides of the supporting plate 10 of magnetic stirring apparatus 38 respectively with support 11, and both all are electrically connected plug 15.Light source 8 is made up of bulb 20, catoptron 21, antisolar glass 22; 9 of receivers are identical closely with reaction cup 5 lower external face by tube cap 29, cylindrical shell 28, cover 24 and the darkening ring 23(darkening ring 23 made of anti-corrosion material, connect with the screw thread or the method that is press-fitted mutually) form housing, receiver 9 inside are quartz glass 25, optical filter (coloured optical glass) 26, silicon photocell 27.Magnetic stirring apparatus 38 is by the supporting plate 10 of motor 14, balance bob 19, magnet steel 18, placing response cup 5, fixedly the support 12 etc. of photoelectricity drop recorder 3 is formed.Cycle sampling system 50 is made up of ebullator 32, solenoid directional control valve 33, liquid-feeding tube, this system adds titrated solution in the reaction cup 5 from the inlet 4 of vessel 31 by reaction cup 5 tops, and auxiliary reagent is then added in the reaction cup 5 through another pipeline and operation valve 35 by reagent box 34.Computer part is made up of the signalling generator 47 of main frame 40, input keyboard 43, display 44, printer 45, alarm 46 and control executing mechanism 48, the signal input main frame 40 of hue discrimination device 42, drop recorder 3, main frame 40 is by control interface 41 control hue discrimination devices 42, drop recorder 3, stirrer 38 work.
The utility model has the advantages that the configuration precision that accurately to measure titrated solution automatically rapidly,, in time feed back to topworks, adjust layoutprocedure by microcomputer in case concentration produces error.Titration process carries out automatically continuously.
In the accompanying drawing, figure one is titration apparatus, hue discrimination device, magnetic stirring apparatus assembling synoptic diagram, figure two is a constant flow pump pump head part synoptic diagram, figure three is the hue discrimination device structural representation, figure four is sampling system, titration apparatus, hue discrimination device, magnetic stirring apparatus composition structural representation block diagram, and figure five is the system controlled by computer structured flowchart.
Among the figure:
1, tubule 2, water dropper
3, the inlet of photoelectricity drop recorder 4, detected solution and reagent
5, reaction cup 6, stirrer
7, dividing plate 8 with holes, hue discrimination device light source
9, receiver 10, the supporting plate of hue discrimination device
11, the support of hue discrimination device fixed support 12, magnetic stirring apparatus
13, the motor of tap hole 14, magnetic stirring apparatus
15, " T " character wheel of electric connector 16, constant flow pump
17, sebific duct 18, magnet steel
19, balance bob 20, bulb
21, catoptron 22, antisolar glass
23, darkening ring 24, cover
25, quartz glass 26, optical filter
27, silicon photocell 28, cylindrical shell
29, tube cap 30, operational amplifier
31, detected solution vessel 32, ebullator
33, reversal valve 34, reagent box
35, operation valve 36, titrant case
37, constant flow pump 38, magnetic stirring apparatus
39, bleeder valve 40, microcomputer main frame
41, control interface 42, hue discrimination device
43, input keyboard 44, display
45, printer 46, alarm
47, signalling generator 48, topworks
49, titration apparatus 50, cycle sampling system
Below in conjunction with accompanying drawing the utility model is further described.
Shown in figure five and four, main frame 40 sends control signal at regular time and quantity to the sampling circulation system 50, reaches required dosage.Detected solution is entered in the reaction cup 5 through ebullator 32 and reversal valve 33 by vessel 31, auxiliary reagent by reagent box 34 in operation valve 35 enters reaction cup 5.Simultaneously send control signal with aft engine 40 by control interface 41 to stirrer 38, titration apparatus 49, hue discrimination device 42.Titrant is quantitatively splashed in the reaction cup 5 by constant flow pump 37, water dropper 2 by titrant case 36, and photoelectricity drop recorder 3 sends meter and drips storage counting in the pulse input main frame 40.Solution in 38 pairs of reaction cup 5 of magnetic stirring apparatus stirs.Meanwhile hue discrimination device 42 begins the change color of solution in the monitoring reaction cups 5.When titration was reached home, solution colour changed, and hue discrimination device 42 promptly produces a pulse input main frame 40.At this moment the control signal of sending by control unit interface 41 disappears, and stirrer 38, titration apparatus 49, hue discrimination device 42 quit work, and titration process stops.Meter drip umber of pulse by main frame 40 calculation process after, demonstrate titrated solution concentration value by display 44, and by printer 45 printouts.When displayed value and prevalue generation deviation, by alarm 46 luminous warnings, and by 48 work of signalling generator 47 driving topworkies.
The course of work of hue discrimination device is shown in figure three, and the light that bulb sends is through catoptron 21 reflection, enters detected solution in the reaction cup 5 by antisolar glass 22, again through darkening ring 23, quartz glass 25, optical filter 26, arrives silicon photocell 27.After the electric current that silicon photocell produces is amplified by operational amplifier 30, the photovoltage V of output switching characteristic
OIt is stable that the intensity of light source must keep, and catoptron 21 is sphere, makes the light beam that reflects be parallel beam.The principle that optical filter 26 is selected for use is that its easiest light that passes through should be the colored solutions light of easy absorption.
Claims (3)
1, a kind of automatic titrimetry device that adopts chip microprocessor as the s operation control center, described chip microprocessor is existing microcomputer type numerical control instrument, this microprocessor comprises:
1) be used to set the keyboard of titrimetry process time,
2) input socket (as the input of primary instrument signal) that is connected with the meter system of dripping,
3) with the control signal socket of distinguishing that the colour system system is connected,
4) the relay control interface of control titrimetry process operation program,
Its feature is that also described automatic titrimetry device also comprises constant flow pump simultaneously, titration apparatus, hue discrimination device, the cycle sampling system, a sebific duct of constant flow pump is connected with a tubule on titration apparatus top, titration apparatus comprises water dropper, the photoelectricity drop recorder, reaction cup, reaction cup places on the supporting plate of magnetic stirring apparatus and is provided with the inlet that adds detected solution and reagent, the darkening ring part and the reaction cup intimate of hue discrimination device are coincide, the cycle sampling system comprises ebullator, solenoid directional control valve, liquid-feeding tube, this system and the vessel of detected solution are connected with inlet on the reaction cup.
2, automatic titrimetry device as claimed in claim 1, it is characterized in that described hue discrimination device comprises light source and receiver two parts, the Lights section has bulb, catoptron, antisolar glass, the shell of receiver is made up of tube cap, cylindrical shell, cover and the darkening ring made of anticorrosive, and receiver inside is quartz glass, optical filter, silicon photocell.
3, automatic titrimetry device as claimed in claim 1 is characterized in that the interior deployment dividing plate with holes of described reaction cup, and stirrer is respectively placed on the dividing plate and the bottom of reaction cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89214855 CN2084619U (en) | 1989-08-02 | 1989-08-02 | Automatic titration analysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89214855 CN2084619U (en) | 1989-08-02 | 1989-08-02 | Automatic titration analysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2084619U true CN2084619U (en) | 1991-09-11 |
Family
ID=4870556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89214855 Withdrawn CN2084619U (en) | 1989-08-02 | 1989-08-02 | Automatic titration analysis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2084619U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071418A (en) * | 2013-01-23 | 2013-05-01 | 辽宁石油化工大学 | Suspended magnetic stirrer |
| CN103323454A (en) * | 2012-03-22 | 2013-09-25 | 万研仪器科技（上海）有限公司 | Color indicator automatic titration analyzer and application method thereof |
| CN104964972A (en) * | 2015-06-30 | 2015-10-07 | 开平市中青环保技术服务有限公司 | Method and apparatus for determining titration end point and realizing automatic titration analysis by means of vision sensor |
| CN105403660A (en) * | 2015-12-16 | 2016-03-16 | 济南海能仪器股份有限公司 | Titration reaction apparatus |
| CN106323972A (en) * | 2016-10-26 | 2017-01-11 | 桂林理工大学 | Judging device for spectrophotometric titration end point |
| CN106323971A (en) * | 2016-10-26 | 2017-01-11 | 桂林理工大学 | Method for judging titration end point by utilizing absorbancy |
| CN106853382A (en) * | 2017-02-22 | 2017-06-16 | 王飞 | A kind of reaction vessel |
| CN116223721A (en) * | 2023-04-27 | 2023-06-06 | 湖北华茂新能源科技有限公司 | Automatic monitoring type potentiometric titrator |
-
1989
- 1989-08-02 CN CN 89214855 patent/CN2084619U/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323454A (en) * | 2012-03-22 | 2013-09-25 | 万研仪器科技（上海）有限公司 | Color indicator automatic titration analyzer and application method thereof |
| CN103071418A (en) * | 2013-01-23 | 2013-05-01 | 辽宁石油化工大学 | Suspended magnetic stirrer |
| CN103071418B (en) * | 2013-01-23 | 2016-01-20 | 辽宁石油化工大学 | A kind of unsettled magnetic stirring apparatus |
| CN104964972A (en) * | 2015-06-30 | 2015-10-07 | 开平市中青环保技术服务有限公司 | Method and apparatus for determining titration end point and realizing automatic titration analysis by means of vision sensor |
| CN105403660A (en) * | 2015-12-16 | 2016-03-16 | 济南海能仪器股份有限公司 | Titration reaction apparatus |
| CN106323972A (en) * | 2016-10-26 | 2017-01-11 | 桂林理工大学 | Judging device for spectrophotometric titration end point |
| CN106323971A (en) * | 2016-10-26 | 2017-01-11 | 桂林理工大学 | Method for judging titration end point by utilizing absorbancy |
| CN106853382A (en) * | 2017-02-22 | 2017-06-16 | 王飞 | A kind of reaction vessel |
| CN116223721A (en) * | 2023-04-27 | 2023-06-06 | 湖北华茂新能源科技有限公司 | Automatic monitoring type potentiometric titrator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |