CN202421123U - Electrode device for analyzing micro-potential dissolution - Google Patents
Electrode device for analyzing micro-potential dissolution Download PDFInfo
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- CN202421123U CN202421123U CN2012200079698U CN201220007969U CN202421123U CN 202421123 U CN202421123 U CN 202421123U CN 2012200079698 U CN2012200079698 U CN 2012200079698U CN 201220007969 U CN201220007969 U CN 201220007969U CN 202421123 U CN202421123 U CN 202421123U
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- electrode assembly
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- electrode
- electrolytic cell
- carbon dust
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Abstract
The utility model relates to an electrode device for analyzing the micro-potential dissolution. The electrode device integrally comprises a shell, a rotatory glassy carbon electrode assembly, a 0.5mm platinum electrode assembly, an electrolytic cell, a metal rack and a 1.6mm reference electrode assembly, wherein the metal rack is an integral support piece; the upper end and the side edge of the metal rack are provided with a shell; the rotatory glassy carbon electrode assembly and the 1.6mm reference electrode assembly are arranged in the metal rack; the 0.5mm platinum electrode assembly is arranged below the rotatory glassy carbon electrode assembly; and the electrolytic cell is arranged below the 0.5mm platinum electrode assembly. A carbon dust collecting box is a center piece of the rotatory glassy carbon electrode assembly; a carbon dust centrifugation plate is arranged in the carbon dust collecting box; a carbon brush holder is arranged on the carbon dust centrifugation plate; a carbon brush is arranged on the carbon brush holder; and a micro-motor is arranged above the carbon brush. The electrode device is provided with an electrode extension shaft which extends below the carbon dust collecting box from the carbon dust centrifugation plate, and the lower end of the electrode extension shaft is provided with a glassy carbon electrode in the connecting mode. The electrode device disclosed by the utility model has the advantages of simple integral structure, favorable stability and high reliability and is convenient to operate and use.
Description
Technical field
The utility model relates to the electrode system of electrochemical analysis, relates in particular to miniature potentiometric stripping analysis and uses electrode assembly.
Background technology
At present, utilize content plumbous in the differetial-potential leaching human body blood, be put into the national standard method of inspection.Generally adopt glassy carbon electrode that diameter is respectively 6mm platinized platinum electrode, contrast electrode and 7mm as the normal electrode system in the prior art; Therefore detecting electrolytic cell, must to select diameter for use be the above disposable sample cup of 26mm; Detectable needs 2ml at least, and the sampling amount of peripheral blood at least also needs 40ul.Owing to be that open electrolytic cell both had been inconvenient to long distance sampling, also as easy as rolling off a log sample is produced polluted, and causes and detects the big consequence of error simultaneously.
The utility model content
The purpose of the utility model is, overcomes the weak point of prior art, provides a kind of miniature potentiometric stripping analysis to use electrode assembly; It can make the detectable consumption below 1ml; The sampling amount of peripheral blood only needs below the 20ul, and sample hose is furnished with gland bonnet simultaneously, extremely convenient long distance sampling.Electrode system is the contrast electrode that adopts diameter 1.6mm, and the platinum electrode of 0.5mm and the glassy carbon electrode of 5.5mm narrow down to 12mm as electrode system with electrolytic cell sample hose internal diameter, and many advantages are arranged.
The described miniature potentiometric stripping analysis of the utility model is used electrode assembly, includes outer cover, rotation glass-carbon electrode assembly, 0.5mm platinum electrode assembly, electrolytic cell, metal support and 1.6mm contrast electrode assembly on the whole.Metal support is the integrated support part of the utility model; Upper end and side at metal support; Be provided with outer cover, be provided with rotation glass-carbon electrode assembly and 1.6mm contrast electrode assembly in the metal support, rotate the glass-carbon electrode assembly below; Be provided with 0.5mm platinum electrode assembly, be provided with electrolytic cell below the 0.5mm platinum electrode assembly.Rotation glass-carbon electrode assembly comprises that micromachine, carbon brush, carbon brush holder, carbon dust are collected box, glassy carbon electrode, electrode prolongs axle and the centrifugal spacer of carbon dust is formed.It is part placed in the middle that carbon dust is collected box, and carbon dust is collected in the box and is provided with the centrifugal spacer of carbon dust, on the centrifugal spacer of carbon dust, is provided with carbon brush holder, is provided with carbon brush above the carbon brush holder, is micromachine above the carbon brush.From the centrifugal spacer of carbon dust extend downwardly into carbon dust collect box below, be provided with electrode and prolong axle, the lower end that electrode prolongs axle is connected with glassy carbon electrode.Wherein the minitype motor driving electrode prolongs axle provides power for the glassy carbon electrode rotation; Four carbon brush are fixed on the motor by carbon brush holder and pick up electric signal with an electrode prolongation axle wringing fit; The carbon dust of wearing and tearing drops on the centrifugal spacer of carbon dust; The centrifugal force that is produced by the motor rotation is thrown in the carbon dust collection box, can not fall into electrolytic cell along center pit.1.6mm the contrast electrode assembly comprises that common contrast electrode, colloid saline solution pipe, 1.6mm gather four fluorine tube and the diatom filtrator is formed.1.6mm the contrast electrode assembly is a central part with colloid saline solution pipe, on colloid saline solution pipe, is provided with common contrast electrode, below colloid saline solution pipe, is connected with 1.6mm and gathers four fluorine tube, the lower end that 1.6mm gathers four fluorine tube is provided with the diatom filtrator.Contrast electrode is inserted in the colloid saline solution pipe, and colloid saline solution pipe top is provided with rubber seal, prevents the evaporation of moisture, and the colloid saline solution gathers four fluorine tube and diatom filtrator and electrolytic cell through 1.6mm and carries out the iontophoretic injection detection.Also make simultaneously contrast electrode become two salt bridges, improved the stability that detects by single salt bridge.0.5mm the platinum electrode assembly comprises electrode fixed mount, stationary pipes, electrolytic cell, platinum filament and electrolytic cell card composition.The electrolytic cell card is the part placed in the middle of 0.5mm platinum electrode assembly, on the electrolytic cell card, is provided with the electrode fixed mount, below the electrolytic cell card, is connected with stationary pipes, and stationary pipes is inserted in the electrolytic cell, and the lower end of stationary pipes exposes platinum filament.During detection electrolytic cell is directly inserted the electrolytic cell card, electrolytic cell will hang on the electrolytic cell card, when the electrolytic cell card weares and teares, can directly screw off replacing, need not open machine, does not need instrument.
The utlity model has novel structure, get blood and only need 20ul, below the reagent 1ml, have easy and simple to handle, characteristics such as system stability is reliable, airtight pollution-free, the easy maintenance of sample.The described miniature potentiometric stripping analysis of the utility model is used electrode assembly, and one-piece construction is simple, and is easy for operation, good stability, and reliability is high.
Description of drawings
Embodiment
Existing with reference to accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 and accompanying drawing 4; Explain as follows in conjunction with embodiment: the described miniature potentiometric stripping analysis of the utility model is used electrode assembly, includes outer cover 1, rotation glass-carbon electrode assembly 2,0.5mm platinum electrode assembly 3, electrolytic cell 4, metal support 5 and 1.6mm contrast electrode assembly 6 on the whole.Metal support 5 is integrated support parts of the utility model; Upper end and side at metal support 5; Be provided with outer cover 1, be provided with rotation glass-carbon electrode assembly 2 and 1.6mm contrast electrode assembly 6 in the metal support 5, below the rotation glass-carbon electrode assembly 2; Be provided with 0.5mm platinum electrode assembly 3, be provided with electrolytic cell 4 below the 0.5mm platinum electrode assembly 3.Rotation glass-carbon electrode assembly 2 comprises that micromachine 7, carbon brush 8, carbon brush holder 9, carbon dust are collected box 10, glassy carbon electrode 11, electrode prolongs axle 12 and the centrifugal spacer 13 of carbon dust is formed.It is part placed in the middle that carbon dust is collected box 10, and carbon dust is collected in the box 10 and is provided with the centrifugal spacer 13 of carbon dust, on the centrifugal spacer 13 of carbon dust, is provided with carbon brush holder 9, is provided with carbon brush 8 above the carbon brush holder 9, is micromachine 7 above the carbon brush 8.From the centrifugal spacer 13 of carbon dust extend downwardly into carbon dust collect box 10 below, be provided with electrode and prolong axle 12, the lower end that electrode prolongs axle 12 is connected with glassy carbon electrode 11.Wherein micromachine 7 drives electrode prolongation axle 12 and for glassy carbon electrode 11 rotations power is provided; Four carbon brush 8 are fixed on the motor by carbon brush holder 9 and pick up electric signal with electrode prolongation axle 12 wringing fits; The carbon dust of wearing and tearing drops on the centrifugal spacer 13 of carbon dust; The centrifugal force that is produced by the motor rotation is thrown in the carbon dust collection box 10, can not fall into electrolytic cell 4 along center pit.1.6mm contrast electrode assembly 6 comprises that common contrast electrode 14, colloid saline solution pipe 15,1.6mm gather four fluorine tube 16 and diatom filtrator 17 is formed.1.6mm contrast electrode assembly 6 is a central part with colloid saline solution pipe 15; On colloid saline solution pipe 15, be provided with common contrast electrode 14; Below colloid saline solution pipe 15, be connected with 1.6mm and gather four fluorine tube 16, the lower end that 1.6mm gathers four fluorine tube 16 is provided with diatom filtrator 17.Contrast electrode 14 is inserted in the colloid saline solution pipe 15, and colloid saline solution pipe 15 tops are provided with rubber seal, prevent the evaporation of moisture, and the colloid saline solution gathers four fluorine tube 16 through 1.6mm and carries out the iontophoretic injection detection with diatom filtrator 17 and electrolytic cell 4.Also make simultaneously contrast electrode 14 become two salt bridges, improved the stability that detects by single salt bridge.0.5mm platinum electrode assembly 3 comprises electrode fixed mount 18, stationary pipes 19, electrolytic cell 4, platinum filament 20 and electrolytic cell card 21 compositions.Electrolytic cell card 21 is parts placed in the middle of 0.5mm platinum electrode assembly 3; On electrolytic cell card 21, be provided with electrode fixed mount 18; Below electrolytic cell card 21, be connected with stationary pipes 19, stationary pipes 19 is inserted in the electrolytic cell 4, and the lower end of stationary pipes 19 exposes platinum filament 20.During detection electrolytic cell 4 is directly inserted electrolytic cell card 21, electrolytic cell 4 will hang on the electrolytic cell card 21, when 21 wearing and tearing of electrolytic cell card, can directly screw off replacing, need not open machine, does not need instrument.With reference to accompanying drawing 1, metal support 5 is used to install each electrode assemblie, and carries out electromagnetic screen by 1 pair of electrode system of outer cover, guarantees the signal to noise ratio (S/N ratio) of detection signal.With reference to accompanying drawing 2, rotation glass-carbon electrode assembly 2 comprises that micromachine 7, carbon brush 8, carbon brush holder 9, carbon dust are collected box 10, glassy carbon electrode 11, electrode prolongs axle 12 and the centrifugal spacer 13 of carbon dust is formed.Wherein micromachine 7 drives electrode prolongation axle 12 and for glassy carbon electrode 11 rotations power is provided; Four carbon brush 8 are fixed on the motor by carbon brush holder 9 and pick up electric signal with electrode prolongation axle 12 wringing fits; The carbon dust of wearing and tearing drops on the centrifugal spacer 13 of carbon dust; The centrifugal force that is produced by the motor rotation is thrown in the carbon dust collection box 10, can not fall into electrolytic cell 4 along center pit.With reference to accompanying drawing 3,1.6mm contrast electrode assembly 6 comprises that common contrast electrode 14, colloid saline solution pipe 15,1.6mm gather four fluorine tube 16 and diatom filtrator 17 is formed.Contrast electrode 14 is inserted in the colloid saline solution pipe 15, and colloid saline solution pipe 15 tops are provided with rubber seal, prevent the evaporation of moisture, and the colloid saline solution gathers four fluorine tube 16 through 1.6mm and carries out the iontophoretic injection detection with diatom filtrator 17 and electrolytic cell 4.Also make simultaneously contrast electrode 14 become two salt bridges, improved the stability that detects by single salt bridge.With reference to accompanying drawing 4,0.5mm platinum electrode assembly 3 comprises electrode fixed mount 18, stationary pipes 19, platinum filament 20, electrolytic cell card 21 and electrolytic cell 4 compositions.During detection electrolytic cell 4 is directly inserted electrolytic cell card 21, electrolytic cell 4 will hang on the electrolytic cell card 21, when 21 wearing and tearing of electrolytic cell card, can directly screw off replacing, need not open machine, tool free.The utlity model has novel structure, get blood and only need 20ul, below the reagent 1ml, have easy and simple to handle, characteristics such as system stability is reliable, airtight pollution-free, the easy maintenance of sample.The described miniature potentiometric stripping analysis of the utility model is used electrode assembly, and one-piece construction is simple, and is easy for operation, good stability, and reliability is high.
Claims (4)
1. miniature potentiometric stripping analysis is used electrode assembly; It is characterized in that metal support (5) is the integrated support part,, be provided with outer cover (1) at the upper end and the side of metal support (5); Be provided with rotation glass-carbon electrode assembly (2) and 1.6mm contrast electrode assembly (6) in the metal support (5); Below the rotation glass-carbon electrode assembly (2), be provided with 0.5mm platinum electrode assembly (3), be provided with electrolytic cell (4) below the 0.5mm platinum electrode assembly (3).
2. miniature potentiometric stripping analysis according to claim 1 is used electrode assembly; It is characterized in that rotating glass-carbon electrode assembly (2) and comprise that micromachine (7), carbon brush (8), carbon brush holder (9), carbon dust are collected box (10), glassy carbon electrode (11), electrode prolongs axle (12) and the centrifugal spacer of carbon dust (13) is formed; It is part placed in the middle that carbon dust is collected box (10); Carbon dust is collected in the box (10) and is provided with the centrifugal spacer of carbon dust (13); On the centrifugal spacer of carbon dust (13), be provided with carbon brush holder (9); Being provided with carbon brush (8) above the carbon brush holder (9), is micromachine (7) above the carbon brush (8), from the centrifugal spacer of carbon dust (13) extend downwardly into carbon dust collect box (10) below; Be provided with electrode and prolong axle (12), the lower end that electrode prolongs axle (12) is connected with glassy carbon electrode (11).
3. miniature potentiometric stripping analysis according to claim 1 is used electrode assembly; It is characterized in that 1.6mm contrast electrode assembly (6) comprises that contrast electrode (14), colloid saline solution pipe (15), 1.6mm gather four fluorine tube (16) and diatom filtrator (17) is formed; 1.6mm contrast electrode assembly (6) is a central part with colloid saline solution pipe (15); On colloid saline solution pipe (15), be provided with common contrast electrode (14); Below colloid saline solution pipe (15), be connected with 1.6mm and gather four fluorine tube (16), the lower end that 1.6mm gathers four fluorine tube (16) is provided with diatom filtrator (17).
4. miniature potentiometric stripping analysis according to claim 1 is used electrode assembly; It is characterized in that 0.5mm platinum electrode assembly (3) comprises electrode fixed mount (18), stationary pipes (19), electrolytic cell (4), platinum filament (20) and electrolytic cell card (21) composition; Electrolytic cell card (21) is the part placed in the middle of 0.5mm platinum electrode assembly (3); On electrolytic cell card (21), be provided with electrode fixed mount (18); Below electrolytic cell card (21), be connected with stationary pipes (19), stationary pipes (19) is inserted in the electrolytic cell (4), and the lower end of stationary pipes (19) exposes platinum filament (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200079698U CN202421123U (en) | 2012-01-10 | 2012-01-10 | Electrode device for analyzing micro-potential dissolution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200079698U CN202421123U (en) | 2012-01-10 | 2012-01-10 | Electrode device for analyzing micro-potential dissolution |
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| Publication Number | Publication Date |
|---|---|
| CN202421123U true CN202421123U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200079698U Expired - Fee Related CN202421123U (en) | 2012-01-10 | 2012-01-10 | Electrode device for analyzing micro-potential dissolution |
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| CN (1) | CN202421123U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808777A (en) * | 2014-03-03 | 2014-05-21 | 南京大学 | Electrochemical reaction tank for microscopic observation in dark fields |
| CN107966486A (en) * | 2017-12-22 | 2018-04-27 | 浙江医药高等专科学校 | Three electrode rotary electrode assemblies and glass-carbon electrode production technology |
-
2012
- 2012-01-10 CN CN2012200079698U patent/CN202421123U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808777A (en) * | 2014-03-03 | 2014-05-21 | 南京大学 | Electrochemical reaction tank for microscopic observation in dark fields |
| CN103808777B (en) * | 2014-03-03 | 2016-01-20 | 南京大学 | A kind of electrochemical reaction cell that can be used for dark-field microscopy |
| CN107966486A (en) * | 2017-12-22 | 2018-04-27 | 浙江医药高等专科学校 | Three electrode rotary electrode assemblies and glass-carbon electrode production technology |
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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: 20120905 Termination date: 20130110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |