CN2196303Y - Composite microelectrode device for volt-ampere meter - Google Patents
Composite microelectrode device for volt-ampere meter Download PDFInfo
- Publication number
- CN2196303Y CN2196303Y CN 94209521 CN94209521U CN2196303Y CN 2196303 Y CN2196303 Y CN 2196303Y CN 94209521 CN94209521 CN 94209521 CN 94209521 U CN94209521 U CN 94209521U CN 2196303 Y CN2196303 Y CN 2196303Y
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- CN
- China
- Prior art keywords
- electrode
- composite micro
- voltamograph
- concentric
- crust
- 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.)
- Expired - Fee Related
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- 239000002131 composite material Substances 0.000 title claims abstract description 31
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 9
- 229910052709 silver Inorganic materials 0.000 claims description 9
- 239000004332 silver Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 4
- 238000005660 chlorination reaction Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000009795 derivation Methods 0.000 claims 1
- 239000010970 precious metal Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052741 iridium Inorganic materials 0.000 description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical class [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model relates to a special composite microelectrode device for volt-ampere analyzers. The utility model is characterized in that a working electrode, a counter electrode and a reference electrode are integrated into a whole electrode, wherein, the working electrode has the structure that a miniature electrode and three electrodes form a composite microelectrode and is provided with a connecting part to be connected with a servo electric motor. An outer shell of the utility model is provided with an electric brush. The utility model improves the precision, the sensitivity and the accuracy of the measurement, improves the volt-ampere characteristic of the electrodes and is convenient for replacing solution, cleaning the electrodes and reducing the sample pollution.
Description
The utility model relates to a kind of voltammetric analyzer special test device.
The shortcoming that existing voltamograph current electrode system exists is: working electrode, electrode, contrast electrode are disposed respectively, three electrode relative positions are unfixing, can cause when changing solution that electrode position changes, the relative linear speed of three electrodes does not wait during agitating solution, measuring error is caused in the capital, the reappearance that influence is measured; Three electrodes are independent separately, are not easy to change solution, and cleaning electrode easily pollutes; General glass-carbon electrode surface area is big, and tool chemical inertness and mechanical instability cause plating mercury, enrichment, stripping difficulty, make detection sensitivity low, and charging current is big, and electrode life is short.
One of the purpose of this utility model provides a kind of voltamograph specific complex microelectrode device, is an overall electrode with working electrode, to electrode, contrast electrode set, and three electrode relative positions are fixed, and improves the precision of measuring.
Two of the purpose of this utility model is that three electrodes are tightened together, and three interelectrode distances are dwindled, and battery current is increased relatively, improves the sensitivity of measuring.
Three of the purpose of this utility model is that composite micro-electrode is driven by servomotor and speed rotation together, eliminates three electrodes because of the different errors that cause of the relative linear speed of self-movement, improves the accuracy of measurement.
Four of the purpose of this utility model is to make working electrode, be microelectrode with noble metal (gold, silver, platinum, iridium) silk, overcome the shortcoming such as chemical inertness, mechanical instability of general glass-carbon electrode, improve the electrode volt-ampere characteristic, the elimination charging current is disturbed, be beneficial to plating mercury, enrichment, stripping, prolong electrode life.
Five of the purpose of this utility model be composite micro-electrode, servo electrode, link etc. by the crust of the device suit, make the electrode system integration, be convenient to change solution, cleaning electrode, reduce to pollute good looking appearance.
This voltamograph composite micro-electrode device, form by composite micro-electrode, servomotor, link and shell, it is characterized in that composite micro-electrode 1 is by working electrode, form electrode and contrast electrode, this composite micro-electrode is connected with servomotor 6 with insulation connecting pipe 5 by concentric coupling shaft 4, and respectively by concentric coupling shaft 4, copper ring 17 and copper ring 13 make to derive line.With one heart coupling shaft 4 is made by copper rod, and its upper end is cylindrical, and the lower end is a screw, there is a concentric disk at the middle part, and insulation connecting pipe 5 is made right cylinder by insulating material, and the upper end is provided with motor axis hole, the lower end is provided with concentric axis hole, and is middle solid, the other set screw hole of opening of last lower shaft hole.Working electrode 10 is made by noble metal (gold, silver, platinum, iridium) silk, its diameter≤0.5 millimeter, electrode 11 is made by the stainless steel syringe needle, and contrast electrode 12 is made by silver/chlorination filamentary silver, and being provided with reference liquid between to electrode and composite micro-electrode shell 16 oozes out groove 19 and porous mass 20.Crust of the device 8 is made cylindric by insulating material, and is provided with brush thereon.
Below in conjunction with accompanying drawing architectural feature of the present utility model is further specified:
Fig. 1 voltamograph composite micro-electrode device general illustration.
Fig. 2 composite micro-electrode synoptic diagram.
Fig. 1 represents the general structure of voltamograph composite micro-electrode device, and it is made of composite micro-electrode 1, concentric coupling shaft 4, insulation connecting pipe 5, servomotor 6, crust of the device 8 and brush 2,3,9 etc.Composite micro-electrode 1 is made up of electrode 11 and contrast electrode 12, as shown in Figure 2 working electrode 10.Working electrode 10 usefulness noble metals (gold, silver, platinum, iridium) silk is made into microelectrode respectively, uses the glass capillary suit, with 15 welding of working electrode interface, is derived by brush 3 by concentric coupling shaft 4.Electrode 11 is made by No. 18 stainless steel syringe needles, used the insulation tube suit, the injection ring epoxy resins with insulating trip 14 and 15 insulation of working electrode interface, derives by copper ring 17.Contrast electrode 12 usefulness silver/chlorination filamentary silver is made, and the immersion reference liquid oozes out the saturated potassium chloride solution (being injected by liquid injection hole 18) in the groove 19, derives by copper ring 13.Porous mass 20 is done circlewise,, forms reference liquid and oozes out groove 19 between to electrode 11 and composite micro-electrode shell 16 with epoxy resin cure.Composite micro-electrode shell 16 is made by polytetrafluoroethylmaterial material, 12 millimeters of upper end external diameters, 10 millimeters of lower end external diameters, long 100 millimeters.Working electrode interface 15 is made by copper product, the screw fit of upper end nut and concentric coupling shaft 4 lower ends.Coupling shaft 4 is made by copper rod with one heart, and the double as working electrode is derived line.Insulation connecting pipe 5 is made by nylon material.28 millimeters of servo electrode 6 diameters, are selected 12 volts of voltages for use, 1500 rev/mins of rotating speeds by long 35 millimeters.Crust of the device 8 and lid thereof are made by nylon material.
The utility model physical dimension, 44 millimeters of shell external diameters, 15 millimeters of end opening internal diameters are added a cover long 120 millimeters, and general assembly is long 180 millimeters behind the dress composite micro-electrode.
The utility model is through on probation, its performance is better than general volt-ampere electrode system, improved the precision of measuring, sensitivity, accuracy have improved the volt-ampere characteristic of current electrode, eliminated the interference of charging current, solve the difficulty of plating mercury, enrichment, stripping, prolonged electrode life, be convenient to change solution, cleaning electrode, reduced pollution, made attractive in appearance, the integration of electrode system sample.
Claims (7)
1, a kind of voltamograph composite micro-electrode device, constitute by composite micro-electrode, servomotor, link and crust of the device etc., it is characterized in that working electrode, electrode, contrast electrode are gathered composite micro-electrode in aggregates, and by concentric coupling shaft with the insulation connecting pipe be connected with servomotor, crust of the device is provided with brush.
2, voltamograph composite micro-electrode device according to claim 1 is characterized in that composite micro-electrode by working electrode, electrode and contrast electrode are formed, and makes to derive line by concentric coupling shaft, copper ring respectively.
3, voltamograph composite micro-electrode device according to claim 1 and 2, it is characterized in that being connected with the insulation connecting pipe by concentric coupling shaft between composite micro-electrode and the servo electrode, coupling shaft is made by copper rod with one heart, and the upper end is cylindrical, and the lower end is a screw, there is concentric disk at the middle part, the insulation connecting pipe is made right cylinder by insulating material, and the upper end is provided with motor axis hole, and the lower end is provided with concentric axis hole, middle solid, the other set screw hole of opening of last lower shaft hole.
4, voltamograph composite micro-electrode device according to claim 1 and 2 is characterized in that crust of the device is provided with three brushes, and is connected with the derivation line of three electrodes respectively.
5, voltamograph composite micro-electrode device according to claim 1 and 2 is characterized in that working electrode made respectively by precious metal, and diameter≤0.5 millimeter is made by the stainless steel syringe needle electrode, and contrast electrode is made by silver/chlorination filamentary silver.
6, voltamograph composite micro-electrode device according to claim 1 and 2 is characterized in that oozing out groove and porous mass to being provided with reference liquid between electrode and the composite micro-electrode shell.
7, voltamograph composite micro-electrode device according to claim 1 and 2 is characterized in that crust of the device made cylindric by insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94209521 CN2196303Y (en) | 1994-05-04 | 1994-05-04 | Composite microelectrode device for volt-ampere meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94209521 CN2196303Y (en) | 1994-05-04 | 1994-05-04 | Composite microelectrode device for volt-ampere meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2196303Y true CN2196303Y (en) | 1995-05-03 |
Family
ID=33827184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94209521 Expired - Fee Related CN2196303Y (en) | 1994-05-04 | 1994-05-04 | Composite microelectrode device for volt-ampere meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2196303Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713759B (en) * | 2008-09-25 | 2014-08-06 | Emd密理博公司 | Electrochemical method for detecting boron in water |
| CN105259233A (en) * | 2015-11-18 | 2016-01-20 | 毕兆顺 | Novel vibrating electrode |
-
1994
- 1994-05-04 CN CN 94209521 patent/CN2196303Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713759B (en) * | 2008-09-25 | 2014-08-06 | Emd密理博公司 | Electrochemical method for detecting boron in water |
| CN105259233A (en) * | 2015-11-18 | 2016-01-20 | 毕兆顺 | Novel vibrating electrode |
| CN105259233B (en) * | 2015-11-18 | 2017-12-29 | 毕兆顺 | A kind of new vibrations electrode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: SHAO MENGXIN TO: TIANJIN PROFESSIONAL COLLEGE |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Tianjin City Vocational Univ. Patentee before: Shao Mengxin |
|
| 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 |