CN2258989Y - Electronic titration apparatus - Google Patents
Electronic titration apparatus Download PDFInfo
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- CN2258989Y CN2258989Y CN 96225056 CN96225056U CN2258989Y CN 2258989 Y CN2258989 Y CN 2258989Y CN 96225056 CN96225056 CN 96225056 CN 96225056 U CN96225056 U CN 96225056U CN 2258989 Y CN2258989 Y CN 2258989Y
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- titration
- circuit
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Abstract
The utility model relates to an electronic titration apparatus, belonging to an electronic analysis apparatus, and comprising a titration part, a solution stirring part, a titration endpoint part and a circuit control part. The titration part comprises a titration pipe, a liquid feeding valve and a titration which are arranged on the upper and the lower parts of the titration pipe, and the titration part is respectively connected with a liquid feeding valve switch, a titration speed regulator and a titration switch key through conducting wires. The solution stirring part comprises a miniature motor whose machine shaft is fixedly provided with a magnetic block, and a magnetic stirring sinker is arranged in a solution container. The titration endpoint part comprises a dark room provided with a color distinguishing apparatus. The circuit control part is composed of a monostable triggering and mediating circuit, a titration control circuit, a stirring control circuit and a titration endpoint control circuit. Once the electronic titration apparatus is started, the utility model can achieve the goal of quick, automatic and accurate titration.
Description
A kind of electrotitration apparatus belongs to the electronic analytical instrument field, particularly a kind of quantitative test instrument of chemical solvent.
At present in the titrimetry method that the solution quantitative test is used, prolong with traditional manual operations always, be that the analyst rocks triangular flask on the other hand, rotate the rotary valve of buret on the other hand, be difficult to grasp appropriateness, be operation failure unless you give your whole attention to it, the personnel that are engaged in this work must could grasp through specialized training and long-term practice.
The purpose of this utility model is to provide a kind of automatic rotation to stir, control automatically the electrotitration apparatus of titration.
The utility model is achieved in that it controls four parts by titration, solution stirring, titration end-point control and circuit and form, titration partly comprises buret and is arranged on following titration valve, and link with rate of titration regulator, titration on ﹠ off switch respectively by lead, one side of buret has the charging valve that connects with it by conduit, and it links by lead and charging valve switch; Solution stirring partly comprises micromotor and motor switch key, is fixed with magnetic patch on its motor shaft, and the stirring sinker is magnetic in the titrated solution container; The titration end-point control section comprises that being arranged on the outer side of titrated solution container has sealing, a side that the darkroom of color identifying device is arranged, and is provided with light source in sealing one side; This part links by lead and gauge tap key; The circuit of circuit control section connects as follows: AC power one output termination is by transformer, rectifier bridge, the input end of the direct current regulation circuit that regulator block is formed, one output termination is by adjustable resistance, the input end of circuit is reconciled in potentiometer and monostable trigger and the monostable triggering that connects composition, the output terminal of monostable trigger connects by signal receiver, signal sends the titration control circuit input end of device and solenoid valve composition, and the input end of monostable trigger connects successively by photelectric receiver, electric current receiver, the input end of the titration end-point control circuit that current amplifier connects to form; Another output of direct current regulation circuit connects the stirring circuit that is connected to form successively by stirring switch, motor, stirrer; Another output of AC power connects the input end of the liquid feeding circuit of being made up of liquid feeding switch connection solenoid valve, monostable trigger IC in the circuit
2Signal output frequency be subjected to adjustable resistance W
1With potentiometer W
2Restriction, adjustable resistance W
1Can select 5～20K, potentiometer W for use
2Can select 220～500K for use.Charging valve and titration valve are by solenoid and glass pipe valve that iron core wherein is set constitutes, glass pipe valve length is 60～70mm, diameter is 10～15mm, the buret upper and lower is provided with two automatic imports of solution respectively, two solution export automatically, the solution of its top outlet automatically is connected with surplus liquid recover by conduit, the position-limiting tube of buret and titration valve joint places the glass pipe valve, internal diameter is 2～3mm, connect titrating head under the glass valves, bore is 3～6mm on it, and following bore is 0.5～1.0mm, and length is 50～60mm.
It is automation mechanized operation that electrotitration apparatus is changed traditional in the past manual operations, has guaranteed the accuracy of titration operation, has improved work efficiency, is the once reform of titration operation.
Fig. 1, electrotitration apparatus structural representation
Fig. 2, electrotitration apparatus titration part synoptic diagram
Fig. 3, the molten mixing part of electrotitration apparatus synoptic diagram
Fig. 4, electrotitration apparatus titration end-point part synoptic diagram
Fig. 5, electrotitration apparatus circuit block diagram
Fig. 6, electrotitration apparatus circuit diagram
Embodiment is described in detail in detail in conjunction with the accompanying drawings:
It is by titration part 1 for an electrotitration apparatus, solution stirring part 2, titration end-point control section 3 and circuit are controlled four parts and are formed, titration part 1 (see figure 2), comprise buret 5 and be arranged on charging valve 6 up and down, titration valve 7, the transparent high-quality glass tube of buret 5 usefulness is made, its internal diameter 4～15mm, long 200～400mm, be carved with the scale mark of 0～50ml on the tube wall, minimum scale is 0.05～1.00ml/ lattice, manage next side and establish the automatic import 12 of solution, it links by conduit 10 and charging valve 6, and link by lead and charging valve on ﹠ off switch 33, the pipe upper end exports 13 for solution inlet port 12 ' distolateral volumetric soiutions of establishing, link by conduit 10 and surplus liquid recover 32, the pipe lower end establish volumetric soiutions outlet 13 ', charging valve 6 and titration valve 7 are respectively by solenoid 14,14 ' and iron core 15 wherein is set, 15 ' glass pipe valve 16 and 16 ' formation, glass pipe valve 16 and 16 ' length are 60～70mm, diameter is 10～15mm, the glass pipe valve 16 of different is titration valve 7 ' be provided with position-limiting tube 17 with buret 5 joints, with control iron core 15 ' move distance, generally in 2～5mm scope, the internal diameter of position-limiting tube 17 is 2～3mm, the glass pipe valve 16 ' following titrating head 8 that connects, bore 18 is 3～6mm on it, following bore 19 is 0.5～1.0mm, length is 50～60mm, the solenoid 14 of charging valve 6 links by lead and liquid feeding on ﹠ off switch 33, the solenoid 14 of titration valve 7 ' by lead respectively with rate of titration regulator 9, titration on ﹠ off switch 11 links; Solution stirring part 2 (see figure 3)s comprise micromotor 20 and motor switch key 24, are fixed with magnetic patch 21 on its motor shaft, are magnetic in the molten device 22 of titrate to stir sinker 23; Titration end-point control section 3 (see figure 4)s, comprise that being arranged on the molten device 22 outer sides of titrate has sealing 28, a side that the darkroom 26 of color identifying device 25 is arranged, color identifying device 25 can be controlled with selenium cell, in sealing 28 1 sides light source 27 and light source switch 29 are set, it connects with titration on ﹠ off switch 11 by lead with color identifying device 25; The circuit of circuit control section connects as follows: the circuit of (see figure 5) connects as follows: AC power E one output termination is by transformer B
1, rectifier bridge D
10, regulator block IC
1The input end of the direct current regulation circuit A that forms, its output connects by adjustable resistance W
1, potentiometer W
2With monostable trigger IC
2The input end that circuit B is reconciled in the monostable triggering of forming links to each other monostable trigger IC
2Output terminal with receive, send device IC by signal
5With solenoid valve F
1The titration control circuit C input end of forming links to each other, monostable trigger IC
2Input end with successively by photelectric receiver GDC, electric current receiver IC
3, current amplifier IC
4The output terminal of the titration end-point control circuit D that connects to form links to each other; Another output terminal of direct current regulation circuit A with by motor switch key (24), motor D C, stir the motor switch K among the stirring circuit F that sinker (23) connects to form successively
4Connect; Another output of AC power connects by the liquid feeding K switch
2, solenoid valve F
2The input end of the liquid feeding circuit G that forms.
Color identifying device 25 available light fulgurites, photomultiplier etc. also can adopt various electrode sensors or computing machine to control.
Being placed with the titrate container 22 that stirs sinker 23, be put into and drip in the darkroom (when observing titration end-point can without the darkroom), turn on the power switch K
1, electrical source luminescent diode D
4, reconcile light emitting diode D
8Bright, open the liquid feeding K switch again
2, liquid feeding light emitting diode D
5Bright, add liquid electromagnetic valve F simultaneously
2Work, vs are filled in storer 4 into the buret 5 automatically, close the liquid feeding K switch
2, excessive solution can flow to the surplus liquid recover 32 from taphole 13 and reach zeromark, opens the stirring K switch
4, stir light emitting diode D
7Bright, motor D C starts working simultaneously, drives stirring sinker 23 rotations in the titrate container 22, and titrate and vs are evenly stirred, and opens the strong K of titration work
3, titration diode D
6Bright (great-jump-forward is glittering) is simultaneously by the 9V voltage of AC power 220V through transformer output, through D
10The rectification of 1A/100V rectifier bridge is a direct current, passes through IC
17806 voltage stabilizings become 6V to give IC
2The NE555 monostable trigger sends the oscillation functions signal, regulates the adjustable resistance W of 10K
1, become single interval signal to be defeated by IC
5MOC3021 optical coupling device is given to ICI336 controllable silicon and MYG471 voltage dependent resistor (VDR) at optical coupling device 4 pin with signal, impels titration solenoid valve F
1The closed work of discontinuity, volumetric soiutions discontinuity is come out from buret 5 titration, and the potentiometer W of 330V is regulated in rotation
2Angle reach needed rate of titration, generally being transferred to per second drips 5-10 and drips and get final product, minimum can be transferred to 1/per second (1 less than 0.05ml), the every precision that can reach 0.02ml, change when not returning original color when titrated solution colour moment, promptly close the titration on ﹠ off switch and stop titration, also can select the titration end-point autokeyer, make vs stop automatically oozing, open titration end-point autokeyer K
5, bulb is luminous in the darkroom, and the light that sends that shines on the titrate is mapped on the photoelectric cell GDC through the slit, produces electric current, and to 3V, LQ46 sends working signal and is defeated by IC through the DW voltage stabilizing
4IC is defeated by in the LM386 power amplification again
5MOC3021 optical coupling device is defeated by titration solenoid valve F by controllable silicon ICI336 and MYG voltage dependent resistor (VDR)
1, it is interrupted work volumetric soiutions and is interrupted from buret and oozes, and when color moment of titrated solution changes and do not restore, does not no longer work when the electric flux that photoelectric cell is produced by light reaches the job requirement of startup solenoid valve, stops titration.Write down the titrated solution number that comes out, close and stir switch and power work key, end-of-job.
Claims (5)
1, a kind of electrotitration apparatus, it is characterized in that partly (2), titration end-point control section (3) and circuit control section are formed by titration part (1), solution stirring for it, titration part (1) comprises buret (5) and is arranged on following titration valve (7), and link with rate of titration regulator (9), titration on ﹠ off switch (11) respectively by lead, one side of buret (5) has the charging valve (6) that connects with it by conduit (10), and it links by lead and charging valve on ﹠ off switch (33); Solution stirring part (2) comprises micromotor (20) and motor switch key (24), is fixed with magnetic patch (21) on its motor shaft, is magnetic in the titrated solution container (22) to stir sinker (23); Titration end-point control section (3) comprises that being arranged on the outer side of titrated solution container (22) has sealing (28), a side that the darkroom (26) of color identifying device (25) is arranged, in sealing (28) one sides light source (27) is set, this part links by lead and power switch key (29); The circuit of circuit control section connects as follows: AC power E one output termination is by transformer B
1, rectifier bridge D
10, regulator block IC
1The input end of the direct current regulation circuit A that forms, its output connects by adjustable resistance W
1, potentiometer W
2With monostable trigger IC
2The input end that circuit B is reconciled in the monostable triggering of forming links to each other monostable trigger IC
2Output terminal with receive, send device IC by signal
5With solenoid valve F
1The titration control circuit C input end of forming links to each other, monostable trigger IC
2Input end with successively by photelectric receiver GDC, electric current receiver IC
3, current amplifier IC
4The output terminal of the titration end-point control circuit D that connects to form links to each other; Another output terminal of direct current regulation circuit A with by motor switch key (24), motor D C, stir the motor switch K among the stirring circuit F that sinker (23) connects to form successively
4Connect; Another output of AC power connects by the liquid feeding K switch
2, solenoid valve F
2The input end of the liquid feeding circuit G that forms.
2, a kind of electrotitration apparatus according to claim 1 is characterized in that the monostable trigger IC in the circuit
2Signal output frequency be subjected to adjustable resistance W
1With potentiometer W
2Restriction, adjustable resistance W
1Can select 5～20K, potentiometer W for use
2Can select 220～500K for use.
3, a kind of electrotitration apparatus according to claim 2 is characterized in that charging valve (6) and titration valve (7) are to be made of solenoid (14), (14 ') and glass pipe valve (16), (16 ') that iron core (15), (15 ') wherein are set.The length of glass pipe valve (16), (16 ') is 60～70mm, and diameter is 10～15mm.
4, a kind of electrotitration apparatus according to claim 3, it is characterized in that buret (5) upper and lower is provided with two automatic imports of solution (12) respectively, (12 '), two solution export (13) automatically, (13 '), the solution of its top exports (13) automatically and is connected with surplus liquid recover (32) by conduit (10), buret (5) places glass pipe valve (16 ') with the position-limiting tube (17) of titration valve (7) joint, control iron core 15 in it ' move distance within 2～5mm scope, the internal diameter of glass valves (16 ') is 2～3mm, the last bore that connects titrating head (8) down is 3～6mm, following bore is 0.5～1.0mm, and length is 50～60mm.
5, a kind of electrotitration apparatus according to claim 4 is characterized in that the available selenium cell of said color identifying device (25), photoelectric tube, photomultiplier or various electrode sensor and computing machine control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96225056 CN2258989Y (en) | 1996-01-10 | 1996-01-10 | Electronic titration apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96225056 CN2258989Y (en) | 1996-01-10 | 1996-01-10 | Electronic titration apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2258989Y true CN2258989Y (en) | 1997-08-06 |
Family
ID=33903833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96225056 Expired - Fee Related CN2258989Y (en) | 1996-01-10 | 1996-01-10 | Electronic titration apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2258989Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103089A (en) * | 2011-02-28 | 2011-06-22 | 南京财经大学 | Titration end point determination device for determining fatty acid value of grain |
| 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 |
| CN106292759A (en) * | 2016-08-15 | 2017-01-04 | 深圳市清时捷科技有限公司 | Velocity control device, automatic titration device and titration control method are dripped in a kind of titration |
| CN106885872A (en) * | 2015-12-15 | 2017-06-23 | 青岛果核仪器科技有限公司 | A kind of smart electronicses acid alkaline titrimeter |
| CN106950333A (en) * | 2017-05-19 | 2017-07-14 | 京东方科技集团股份有限公司 | Cleaning fluid titration control system, device and method |
| CN107091839A (en) * | 2017-06-08 | 2017-08-25 | 上海兆极环境科技有限公司 | A kind of novel laboratory on-line intelligence titrator |
| CN107764933A (en) * | 2017-11-22 | 2018-03-06 | 上海北裕分析仪器股份有限公司 | A kind of titration outfit and the titration method applied to analyzer |
| CN107957441A (en) * | 2017-11-22 | 2018-04-24 | 孙国明 | A kind of detection device for electrochemical analysis |
| CN109115941A (en) * | 2018-10-25 | 2019-01-01 | 王晓丽 | Full-automatic titrator and its control method |
| CN109490161A (en) * | 2018-12-19 | 2019-03-19 | 桂林理工大学 | New device based on colloid concentration measurement |
| CN111175439A (en) * | 2020-02-12 | 2020-05-19 | 何颖 | Pharmacology electronic titrator device |
| CN112903935A (en) * | 2021-01-27 | 2021-06-04 | 叶维江 | Food heavy metal short-term test appearance |
| CN113643958A (en) * | 2020-04-27 | 2021-11-12 | 常熟林芝电子技术有限公司 | Method for improving light distribution performance of halogen lamp filament for vehicle |
-
1996
- 1996-01-10 CN CN 96225056 patent/CN2258989Y/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103089A (en) * | 2011-02-28 | 2011-06-22 | 南京财经大学 | Titration end point determination device for determining fatty acid value of grain |
| CN102103089B (en) * | 2011-02-28 | 2013-06-12 | 南京财经大学 | Titration end point determination device for determining fatty acid value of grain |
| 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 |
| CN106885872A (en) * | 2015-12-15 | 2017-06-23 | 青岛果核仪器科技有限公司 | A kind of smart electronicses acid alkaline titrimeter |
| CN106292759A (en) * | 2016-08-15 | 2017-01-04 | 深圳市清时捷科技有限公司 | Velocity control device, automatic titration device and titration control method are dripped in a kind of titration |
| CN106950333A (en) * | 2017-05-19 | 2017-07-14 | 京东方科技集团股份有限公司 | Cleaning fluid titration control system, device and method |
| CN106950333B (en) * | 2017-05-19 | 2019-06-21 | 京东方科技集团股份有限公司 | Cleaning solution titrates control system, device and method |
| CN107091839A (en) * | 2017-06-08 | 2017-08-25 | 上海兆极环境科技有限公司 | A kind of novel laboratory on-line intelligence titrator |
| CN107957441A (en) * | 2017-11-22 | 2018-04-24 | 孙国明 | A kind of detection device for electrochemical analysis |
| CN107764933A (en) * | 2017-11-22 | 2018-03-06 | 上海北裕分析仪器股份有限公司 | A kind of titration outfit and the titration method applied to analyzer |
| CN107957441B (en) * | 2017-11-22 | 2020-01-07 | 孙国明 | Detection device for electrochemical analysis |
| CN109115941A (en) * | 2018-10-25 | 2019-01-01 | 王晓丽 | Full-automatic titrator and its control method |
| CN109115941B (en) * | 2018-10-25 | 2024-02-27 | 王晓丽 | Full-automatic titrator and control method thereof |
| CN109490161A (en) * | 2018-12-19 | 2019-03-19 | 桂林理工大学 | New device based on colloid concentration measurement |
| CN111175439A (en) * | 2020-02-12 | 2020-05-19 | 何颖 | Pharmacology electronic titrator device |
| CN113643958A (en) * | 2020-04-27 | 2021-11-12 | 常熟林芝电子技术有限公司 | Method for improving light distribution performance of halogen lamp filament for vehicle |
| CN112903935A (en) * | 2021-01-27 | 2021-06-04 | 叶维江 | Food heavy metal short-term test appearance |
| CN112903935B (en) * | 2021-01-27 | 2021-10-19 | 安徽黑土妈妈食品科技有限公司 | Food heavy metal short-term test appearance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |