CN203700577U - Microprobe electrochemical grinding device of microbubble generator - Google Patents
Microprobe electrochemical grinding device of microbubble generator Download PDFInfo
- Publication number
- CN203700577U CN203700577U CN201420095117.8U CN201420095117U CN203700577U CN 203700577 U CN203700577 U CN 203700577U CN 201420095117 U CN201420095117 U CN 201420095117U CN 203700577 U CN203700577 U CN 203700577U
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- tungsten filament
- probe
- microprobe
- grinding device
- triode
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- Electrolytic Production Of Metals (AREA)
Abstract
The utility model relates to a microprobe electrochemical grinding device of a microbubble generator. The microprobe electrochemical grinding device comprises an electrolytic cell and a monitoring circuit, wherein an organic glass bracket is arranged in the electrolytic cell, a baffle is arranged at the upper part of the organic glass bracket, and a probe hole is formed in the center of the baffle; a metal copper piece is arranged between the organic glass bracket and the electrolytic cell; a tungsten filament probe is connected with the real-time monitoring circuit through wires; the monitoring circuit comprises a feedback circuit and a signal generator; the feedback circuit comprises a sampler, a differentiator, a comparator, a delayer, a latch, a control switch and a direct-current stabilized power supply which are connected sequentially, and the sampler is connected with a collector electrode of a triode; a positive electrode of the signal generator is connected with a base electrode of the triode, and the negative electrode is connected with the metal copper piece; and the tungsten filament probe is connected with an emitting electrode of the triode. The device has controllability and reliability; by means of the organic glass bracket, distribution of residual current of the probe head part can be directly influenced, and the quality of the probe tip is improved; and the quality formation efficiency can be improved through real-time monitoring of the feedback circuit.
Description
Technical field
The utility model relates to a kind of microprobe electrochemical grinding device, is specifically related to a kind of microprobe electrochemical grinding device of microbubble generator.
Background technology
At present, in the electrochemical corrosion course of probe, majority is taked electrolysis tungsten filament, traditional method be tungsten filament as anode, stainless steel, as negative electrode, carries out electrolysis in KOH or NaOH solution.This method is simple, and it is higher to prepare high-quality probe success ratio.But, also there is its weak point: (1) is corroded in process at tungsten filament, have residual current and make tips quality variation; (2) because tungsten filament cannot be monitored in real time in corrosion process, the probe tip shape of preparation is difficult to control, the randomness that obtains high-quality radius-of-curvature microprobe is larger.
Utility model content
In order to address the above problem, the utility model proposes a kind of microprobe electrochemical grinding device of microbubble generator, have more controllability and reliability compared with the electrochemical grinding device of current use; Can directly affect the distribution of the residual current of syringe needle part by synthetic glass frame, improve the quality of needle point, meanwhile, the real-time monitoring of reaction circuit can promote again the efficiency that high-quality forms.
The utility model is achieved through the following technical solutions: a kind of microprobe electrochemical grinding device of microbubble generator, comprises the electrolyzer of splendid attire electrolytic solution and the supervisory circuit of real-time monitoring tungsten filament probe corrosion process; In described electrolyzer, be provided with the synthetic glass support that a vertical section is H type; Described synthetic glass support comprises a cylindrical-shaped main body, and the top of main body is provided with circular baffle plate, and the center of baffle plate is provided with a pin hole that can penetrate tungsten filament probe; Between described synthetic glass support and electrolyzer, being provided with vertical section is L shaped metal copper sheet; Described tungsten filament probe connects real-time monitoring circuit by wire; Described supervisory circuit comprises a reaction circuit, and is connected to the signal generator of this reaction circuit; Described reaction circuit is made up of the sampling thief being linked in sequence, differentiator, comparer, time delay unit, latch, trip switch and D.C. regulated power supply, and wherein sampling thief is by the collector electrode of wire connecting triode; The positive pole of described signal generator is by the base stage of wire connecting triode, and negative pole is connected with metal copper sheet by wire; Tungsten filament probe is connected with the emtting electrode of triode.
The diameter of described pin hole is 10mm.
In electrolytic process, tungsten filament probe enters electrolytic solution through pin hole and carries out chemical grinding; Reaction circuit by instantaneous acquiring to curtage information make instant control, realize real-time monitoring to tungsten filament probe corrosion process.
When use, first supervisory circuit is connected, after being electrified, recently control the state of electrochemical grinding by voltage, frequency and the duty of conditioning signal producer, judge electrolysis situation by the real-time monitoring of reaction circuit again, finally prepare high-quality tungsten filament probe.
The beneficial effects of the utility model are: a kind of microprobe electrochemical grinding device of microbubble generator has more controllability and reliability compared with the electrochemical grinding device of current use; Can directly affect the distribution of the residual current of syringe needle part by synthetic glass frame, improve the quality of needle point, meanwhile, the real-time monitoring of reaction circuit can promote again the efficiency that high-quality forms.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail.
The structure principle chart of the microprobe electrochemical grinding device that accompanying drawing 1 is a kind of microbubble generator.
In figure, 1. electrolyzer, 2. synthetic glass support, 3. metal copper sheet, 4. tungsten filament probe, 5. supervisory circuit, 5-1. triode, 5-2. sampling thief, 5-3. differentiator, 5-4. comparer, 5-5. time delay unit, 5-6. latch, 5-7. trip switch, 5-8. D.C. regulated power supply, 5-9. signal generator.
Embodiment
In the accompanying drawings, a kind of microprobe electrochemical grinding device of microbubble generator, comprises the electrolyzer 1 of splendid attire electrolytic solution and the supervisory circuit 5 of real-time monitoring tungsten filament probe 4 corrosion processes; In described electrolyzer 1, be provided with the synthetic glass support 2 that a vertical section is H type; Described synthetic glass support 2 comprises a cylindrical-shaped main body, and the top of main body is provided with circular baffle plate, and the center of baffle plate is provided with a pin hole that can penetrate tungsten filament probe 4; Between described synthetic glass support 2 and electrolyzer 1, being provided with vertical section is L shaped metal copper sheet 3; Described tungsten filament probe 4 connects real-time monitoring circuit 5 by wire; Described supervisory circuit 5 comprises a reaction circuit, and is connected to the signal generator 5-9 of this reaction circuit; Described reaction circuit is made up of the sampling thief 5-2 being linked in sequence, differentiator 5-3, comparer 5-4, time delay unit 5-5, latch 5-6, trip switch 5-7 and D.C. regulated power supply 5-8, and wherein sampling thief 5-2 is by the collector electrode of wire connecting triode 5-1; The positive pole of described signal generator 5-9 is by the base stage of wire connecting triode 5-1, and negative pole is connected with metal copper sheet 3 by wire; Tungsten filament probe 4 is connected with the emtting electrode of triode 5-1.
The diameter of described pin hole is 10mm.
In electrolytic process, tungsten filament probe 4 enters electrolytic solution through pin hole and carries out chemical grinding; Reaction circuit by instantaneous acquiring to curtage information make instant control, realize real-time monitoring to tungsten filament probe 4 corrosion processes.
When use, first supervisory circuit 5 is connected, after being electrified, recently control the state of electrochemical grinding by voltage, frequency and the duty of conditioning signal producer 5-9, judge electrolysis situation by the real-time monitoring of reaction circuit again, finally prepare high-quality tungsten filament probe 4.
Claims (2)
1. a microprobe electrochemical grinding device for microbubble generator, is characterized in that, comprises the electrolyzer (1) of splendid attire electrolytic solution and the supervisory circuit (5) of real-time monitoring tungsten filament probe (4) corrosion process; In described electrolyzer (1), be provided with the synthetic glass support (2) that a vertical section is H type; Described synthetic glass support (2) comprises a cylindrical-shaped main body, and the top of main body is provided with circular baffle plate, and the center of baffle plate is provided with a pin hole that can penetrate tungsten filament probe (4); Between described synthetic glass support (2) and electrolyzer (1), being provided with vertical section is L shaped metal copper sheet (3); Described tungsten filament probe (4) connects real-time monitoring circuit (5) by wire; Described supervisory circuit (5) comprises a reaction circuit, and is connected to the signal generator (5-9) of this reaction circuit; Described reaction circuit is made up of the sampling thief being linked in sequence (5-2), differentiator (5-3), comparer (5-4), time delay unit (5-5), latch (5-6), trip switch (5-7) and D.C. regulated power supply (5-8), and wherein sampling thief (5-2) is by the collector electrode of wire connecting triode (5-1); The positive pole of described signal generator (5-9) is by the base stage of wire connecting triode (5-1), and negative pole is connected with metal copper sheet (3) by wire; Tungsten filament probe (4) is connected with the emtting electrode of triode (5-1).
2. the microprobe electrochemical grinding device of a kind of microbubble generator according to claim 1, is characterized in that, the diameter of described pin hole is (10) mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095117.8U CN203700577U (en) | 2014-03-04 | 2014-03-04 | Microprobe electrochemical grinding device of microbubble generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095117.8U CN203700577U (en) | 2014-03-04 | 2014-03-04 | Microprobe electrochemical grinding device of microbubble generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203700577U true CN203700577U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420095117.8U Expired - Fee Related CN203700577U (en) | 2014-03-04 | 2014-03-04 | Microprobe electrochemical grinding device of microbubble generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN203700577U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131330A (en) * | 2014-08-04 | 2014-11-05 | 中国科学技术大学 | Needle electrode and preparation method thereof |
| CN111334847A (en) * | 2020-04-01 | 2020-06-26 | 中国科学院物理研究所 | Needle tip preparation control device |
-
2014
- 2014-03-04 CN CN201420095117.8U patent/CN203700577U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131330A (en) * | 2014-08-04 | 2014-11-05 | 中国科学技术大学 | Needle electrode and preparation method thereof |
| CN104131330B (en) * | 2014-08-04 | 2016-08-17 | 中国科学技术大学 | needle electrode and preparation method thereof |
| CN111334847A (en) * | 2020-04-01 | 2020-06-26 | 中国科学院物理研究所 | Needle tip preparation control device |
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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: 20140709 Termination date: 20150304 |
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| EXPY | Termination of patent right or utility model |