CN203643397U - PH detection device for electrochemistry - Google Patents
PH detection device for electrochemistry Download PDFInfo
- Publication number
- CN203643397U CN203643397U CN201320816708.5U CN201320816708U CN203643397U CN 203643397 U CN203643397 U CN 203643397U CN 201320816708 U CN201320816708 U CN 201320816708U CN 203643397 U CN203643397 U CN 203643397U
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- electrode
- liquid
- protecting sheathing
- reservoir
- detection device
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Abstract
The utility model discloses a pH detection device for electrochemistry. The pH detection device comprises a combined electrode, a protection shell, an electrode sliding rail, two liquid storage tanks, peristaltic pumps, stop valves, electronic flow meters, a liquid discharging device and an electrode sliding plate, wherein the protection shell is a main body component of the pH detection device; the combined electrode comprises a glass electrode and a calomel electrode; the protection shell is arranged on the middle part of the combined electrode; the electrode sliding rail is arranged between two side surfaces of the protection shell; the electrode sliding plate is arranged on the electrode sliding rail and is positioned on the lower part of the combined electrode; the liquid storage tanks are arranged on the lower part of the protection shell and is connected with a liquid inlet pipe; the peristaltic pumps, the stop valves and the electronic flow meters are arranged on the liquid inlet pipe in sequence. During use, the liquid inlet pipe is inserted into liquid; the peristaltic pumps suck the liquid; the sucked liquid is input into the liquid storage tanks; the two liquid storage tanks are respectively used for detecting acid and alkali; the volumes of the liquid storage tanks are fixed; the pH detection device for electrochemistry is simple in overall structure, convenient to operate and use, high in stability and high in reliability; the acid and the alkali are separated, and the application range is large.
Description
Technical field
This utility model relates to a kind of electrochemical detection device, relates in particular to a kind of galvanochemistry pH pick-up unit.
Background technology
PH pick-up unit, is called again pH meter or pH meter, is a kind of conventional instrument and equipment, is mainly used to the pH value of precision measurement liquid medium.The structure of pH meter comprises combination electrode and galvanometer, namely our said indicator electrode and contrast electrode of combination electrode, and in general the indicator electrode of pH meter is all glass electrode.The function of glass electrode is to the hydrogen ion sensitivity in solution, reflects potential difference (PD) with hydrionic variation.The effect of contrast electrode is to provide constant current potential, as the reference that departs from current potential.In the parts of pH meter, galvanometer is for measuring overall current potential, and it can capture small potential change in the circuit of Resistance Maximum, and this variation is showed by ammeter.In order to facilitate reading, pH meter has Presentation Function, has converted galvanometric output signal to pH reading exactly.Current pH testing fixture when detection pH is worth, need to stay for some time in testing liquid, and this often loses time, and has reduced work efficiency.
Utility model content
The purpose of this utility model is, overcomes the deficiencies in the prior art part, provides a kind of simple in structure, a kind of galvanochemistry pH pick-up unit easy to use, safe and reliable, uses it can measure easily the potential of hydrogen of liquid, acid, alkali subregion are measured, and adaptive surface is wider.
A kind of galvanochemistry pH pick-up unit described in the utility model, includes combination electrode, protecting sheathing, electrode slide rail, reservoir, peristaltic pump, stop valve, electronic flow-meter, releasing device and electrode slide plate.Protecting sheathing is main element of the present utility model.Combination electrode includes glass electrode and mercurous chloride electrode.Protecting sheathing is arranged on the middle part of combination electrode, and electrode slide rail is arranged between the left and right side of protecting sheathing, is provided with electrode slide plate on electrode slide rail, and electrode slide rail is flexibly connected with electrode slide plate, and electrode slide plate is arranged on the bottom of combination electrode.Reservoir is arranged on the bottom of protecting sheathing, for storing testing liquid.Reservoir is connected with feed tube, is disposed with peristaltic pump, stop valve and electronic flow-meter on feed tube.Protecting sheathing bottom is provided with releasing device.Releasing device can be emitted the testing liquid in reservoir.When use, feed tube is inserted in liquid, stop valve is opened, and peristaltic pump is opened, and electronic flow-meter is opened, peristaltic pump imbitition, and electronic flow-meter calculated flow rate, the liquid of absorption is input in reservoir.Because reservoir is provided with two, the pH value of bronsted lowry acids and bases bronsted lowry is measured subregion and is carried out.Combination electrode can slide on electrode slide rail, and combination electrode can stretch, and when static on slide rail, puts down combination electrode, meets electrode and is deep in testing liquid, after stablizing, carries out reading.Reservoir has fixed volume.A kind of galvanochemistry pH pick-up unit described in the utility model, include combination electrode, it is characterized in that protecting sheathing, electrode slide rail, reservoir, peristaltic pump, stop valve, electronic flow-meter, releasing device and electrode slide plate, protecting sheathing is main element, combination electrode includes glass electrode and mercurous chloride electrode, protecting sheathing is arranged on the middle part of combination electrode, electrode slide rail is arranged between the left and right side of protecting sheathing, on electrode slide rail, be provided with electrode slide plate, electrode slide rail is flexibly connected with electrode slide plate, electrode slide plate is arranged on the bottom of combination electrode, reservoir is arranged on the bottom of protecting sheathing, reservoir is connected with feed tube, on feed tube, be disposed with peristaltic pump, stop valve and electronic flow-meter, protecting sheathing bottom is provided with releasing device.
Compared with prior art, the beneficial effects of the utility model are: a kind of galvanochemistry pH pick-up unit described in the utility model, and one-piece construction is simple, easy for operation, good stability, reliability is high.Acid, alkali subregion are measured, and adaptive surface is wider.
Accompanying drawing explanation
Embodiment
Referring now to accompanying drawing 1; be described as follows: a kind of galvanochemistry pH pick-up unit described in the utility model, includes combination electrode 1, protecting sheathing 2, electrode slide rail 3, reservoir 4, peristaltic pump 5, stop valve 6, electronic flow-meter 7, releasing device 8 and electrode slide plate 9 in conjunction with the embodiments.Protecting sheathing 2 is main elements of the present utility model.Combination electrode 1 includes glass electrode and mercurous chloride electrode.Protecting sheathing 2 is arranged on the middle part of combination electrode 1, and electrode slide rail 3 is arranged between the left and right side of protecting sheathing 2, is provided with electrode slide plate 9 on electrode slide rail 3, and electrode slide rail 3 is flexibly connected with electrode slide plate 9, and electrode slide plate 9 is arranged on the bottom of combination electrode 1.Reservoir 4 is arranged on the bottom of protecting sheathing 2, for storing testing liquid.Reservoir 4 is connected with feed tube, is disposed with peristaltic pump 5, stop valve 6 and electronic flow-meter 7 on feed tube.Protecting sheathing 2 bottoms are provided with releasing device 8.Releasing device 8 can be emitted the testing liquid in reservoir 4.When use, feed tube is inserted in liquid, stop valve 6 is opened, and peristaltic pump 5 is opened, and electronic flow-meter 7 is opened, peristaltic pump 5 imbititions, and electronic flow-meter 7 calculated flow rates, the liquid of absorption is input in reservoir 4.Because reservoir 4 is provided with two, the pH value of bronsted lowry acids and bases bronsted lowry is measured subregion and is carried out.Combination electrode 1 can slide on electrode slide rail 3, and combination electrode 1 can stretch, and when static on slide rail, puts down combination electrode 1, meets electrode and is deep in testing liquid, after stablizing, carries out reading.Reservoir 4 has fixed volume.A kind of galvanochemistry pH pick-up unit described in the utility model, include combination electrode 1, it is characterized in that protecting sheathing 2, electrode slide rail 3, reservoir 4, peristaltic pump 5, stop valve 6, electronic flow-meter 7, releasing device 8 and electrode slide plate 9, protecting sheathing 2 is main elements, combination electrode 1 includes glass electrode and mercurous chloride electrode, protecting sheathing 2 is arranged on the middle part of combination electrode 1, electrode slide rail 3 is arranged between the left and right side of protecting sheathing 2, on electrode slide rail 3, be provided with electrode slide plate 9, electrode slide rail 3 is flexibly connected with electrode slide plate 9, electrode slide plate 9 is arranged on the bottom of combination electrode 1, reservoir 4 is arranged on the bottom of protecting sheathing 2, reservoir 4 is connected with feed tube, on feed tube, be disposed with peristaltic pump 5, stop valve 6 and electronic flow-meter 7, protecting sheathing 2 bottoms are provided with releasing device 8.Compared with prior art, the beneficial effects of the utility model are: a kind of galvanochemistry pH pick-up unit described in the utility model, and one-piece construction is simple, easy for operation, good stability, reliability is high.Acid, alkali subregion are measured, and adaptive surface is wider.
Claims (1)
1. a galvanochemistry pH pick-up unit, include combination electrode (1), protecting sheathing (2), electrode slide rail (3), reservoir (4), peristaltic pump (5), stop valve (6), electronic flow-meter (7), releasing device (8) and electrode slide plate (9), protecting sheathing (2) is main element, it is characterized in that combination electrode (1) includes glass electrode and mercurous chloride electrode, protecting sheathing (2) is arranged on the middle part of combination electrode (1), electrode slide rail (3) is arranged between the left and right side of protecting sheathing (2), on electrode slide rail (3), be provided with electrode slide plate (9), electrode slide rail (3) is flexibly connected with electrode slide plate (9), electrode slide plate (9) is arranged on the bottom of combination electrode (1), reservoir (4) is arranged on the bottom of protecting sheathing (2), reservoir (4) is connected with feed tube, on feed tube, be disposed with peristaltic pump (5), stop valve (6) and electronic flow-meter (7), protecting sheathing (2) bottom is provided with releasing device (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320816708.5U CN203643397U (en) | 2013-12-13 | 2013-12-13 | PH detection device for electrochemistry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320816708.5U CN203643397U (en) | 2013-12-13 | 2013-12-13 | PH detection device for electrochemistry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203643397U true CN203643397U (en) | 2014-06-11 |
Family
ID=50874632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320816708.5U Expired - Fee Related CN203643397U (en) | 2013-12-13 | 2013-12-13 | PH detection device for electrochemistry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203643397U (en) |
-
2013
- 2013-12-13 CN CN201320816708.5U patent/CN203643397U/en not_active Expired - Fee Related
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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: 20140611 Termination date: 20141213 |
|
| EXPY | Termination of patent right or utility model |