CN102798563A - Electrochemical sample clamp - Google Patents
Electrochemical sample clamp Download PDFInfo
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- CN102798563A CN102798563A CN2012103246201A CN201210324620A CN102798563A CN 102798563 A CN102798563 A CN 102798563A CN 2012103246201 A CN2012103246201 A CN 2012103246201A CN 201210324620 A CN201210324620 A CN 201210324620A CN 102798563 A CN102798563 A CN 102798563A
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- galvanochemistry sample
- galvanochemistry
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Abstract
The invention provides an electrochemical sample clamp for clamping an electrochemical sample with a wire when organization analysis is carried out by scanning an electron microscope, and the electrochemical sample clamp comprises a frame for supporting the electrochemical sample and arranging the electrochemical sample on an experimental table and a clamping device for fixing the electrochemical sample on the frame. According to the electrochemical sample clamp provided by the invention, the electrochemical sample is fixed on the frame by the clamping device, and then the frame is arranged on the experimental table so as to finish arrangement of the electrochemical sample. With the adoption of the electrochemical sample clamp, the electrochemical sample can be smoothly arranged above the experimental table when the wire of the electrochemical sample is not shorn, so that the experiment quality is ensured, and the problem that the electrochemical sample cannot be repeatedly used and cannot be used for a dynamic monitor experiment because the wire is shorn is also effectively solved.
Description
Technical field
The present invention relates to a kind of device that is used to have the galvanochemistry sample of lead, belong to technical field of electrochemistry.
Background technology
At present, the galvanochemistry sample will use epoxy resin to carry out approved sample usually, because epoxy resin is nonconductor, so the galvanochemistry sample just can't be realized being electrically connected after using the epoxy resin approved sample with the external world.In order to address this problem common afterbody Extension Wire at the galvanochemistry sample.Behind the approved sample, an end of lead stretches out epoxy resin layer, through this lead the galvanochemistry sample is electrically connected with extraneous the realization.But when material being carried out tissue characterization or when using other testing equipments that the galvanochemistry sample is made an experiment, need the galvanochemistry sample steadily be placed on the testing table usually with scanning electron microscope (SEM).And afterbody has on the galvanochemistry sample such as direct placement experiment table of lead; For example: when scanning electron microscope is tested; Require the galvanochemistry sample to be arranged on the testing table stably; And the galvanochemistry sample that has lead is because the lead that its bottom is provided with being placed on the experiment table of causing that sample can't be stable, and then can influence sharpness and the resolution that test is taken a picture.For this kind situation, the existing practice is before doing the SEM test, lead is cut from root, to realize that the galvanochemistry sample steadily is placed on the purpose on the testing table.Then, re-use conducting resinl and connect sample and testing table, realize both electrical connections.Identical method is also taked in other similar tests, with normally carrying out and accuracy of experimental results of warranty test.But there is disadvantage in this processing scheme: one, sample cancels, and can not proceed electrochemical test, thereby can't realize galvanochemistry dynamic monitoring test; Two, non-conductive between sample and the testing table, need to paste conducting resinl and connect sample and testing table, the waste resource.
Summary of the invention
In order to solve in the above-mentioned prior art problem in the tests such as can't directly carrying out tissue characterization through the galvanochemistry sample after the epoxy encapsulation; The invention provides a kind of galvanochemistry sample anchor clamps; Through using on these anchor clamps can be arranged on the galvanochemistry sample in the testing equipment stably; And realize good being electrically connected with testing equipment, and need not cut off the lead of setting it on.
Technical scheme provided by the present invention is:
A kind of galvanochemistry sample anchor clamps are used for the galvanochemistry sample that clamping has lead, comprising:
Be used to support the galvanochemistry sample, and the galvanochemistry sample is arranged on the framework on the test unit; And,
The galvanochemistry sample is fixed in the said framework, and makes said after fixing have the clamping device that has setpoint distance between bottom surface and the framework bottom surface of galvanochemistry sample of lead, be arranged on the said framework;
Through said clamping device the said galvanochemistry sample that has lead is fixed on the said framework, and makes between galvanochemistry sample and the testing equipment through said lead and to realize being electrically connected, can experimentize said galvanochemistry sample.
The beneficial effect of technique scheme is: the galvanochemistry sample anchor clamps among the present invention can be set directly on the experiment table of experimental facilitiess such as scanning electron microscope; Through using this galvanochemistry sample furniture that the bottom of the galvanochemistry sample that is fixed therein is not contacted with experiment table; And and having setpoint distance between the experiment table, the lead of being drawn by galvanochemistry sample bottom so just can not impact the steady setting of galvanochemistry sample.When experimentizing, through lead is realized being electrically connected by deriving in the framework or directly be fixed on to make in the framework between galvanochemistry sample and the experiment table.Galvanochemistry sample anchor clamps in the application of the invention, with to carry out experiments such as fabric analysis the galvanochemistry sample that has lead with respect to the unsettled setting of experiment table, both can with the galvanochemistry sample smooth be arranged on experiment table top, guaranteed the experiment quality; Again because need not cut the galvanochemistry sample with lead, the galvanochemistry sample can be used repeatedly, and can carry out dynamic monitoring experiment.
On the basis of technique scheme, the present invention can also carry out following further improvement.
Further, said framework is the thin-walled tubular structure, and the maximum circumscribed circle diameter of its radial section is smaller or equal to the experiment table diameter.
Adopt the beneficial effect of above-mentioned further technical scheme to be: use the framework of thin-walled tubular structure as galvanochemistry sample anchor clamps, it is simple in structure, and is easy to process.And the size that limits the radial section of framework makes it smaller or equal to experiment table, so that framework is fixing on experiment table.
On the basis of technique scheme, the present invention can also carry out following further improvement.
Further, said framework is processed by conductive material.
Adopt the beneficial effect of above-mentioned further technical scheme to be: process framework through using conductive material, can with chemical sample lead directly be fixed on can realize on the framework its with experiment table between be electrically connected.The framework that uses conductive material to process can be simplified experimental procedure, improves conventional efficient.
On the basis of technique scheme, the present invention can also carry out following further improvement.
Further; Also be provided with the derived type structure that is used for said lead is derived said framework on the said framework; Said derived type structure is the groove that is arranged on the through hole on the sidewall of said framework or is arranged on the sidewall bottom of said framework, and the diameter of said through hole or groove should be more than or equal to the diameter of said lead.
Adopt the beneficial effect of above-mentioned further technical scheme to be: through derived type structure is set on framework; Can be conveniently with the lead of galvanochemistry sample by deriving in the framework, through making lead be more prone to realize between fixing and the experiment table being electrically connected in that derived type structure is set on the framework.
On the basis of technique scheme, the present invention can also carry out following further improvement.
Further, said clamping device comprises several screws, and the top of said frame side wall is provided with a plurality of clamping holes that said screw passes that are used for; Said screw passes clamping hole and fixing, and its stiff end that is inserted into said framework contacts with the galvanochemistry sample, and said galvanochemistry sample is fixed.
Adopt the beneficial effect of above-mentioned further technical scheme to be: through using standard component---screw, the galvanochemistry sample to be fixed on the framework,, make galvanochemistry sample anchor clamps more be prone to produce, and cost to be lower because selection is common.
On the basis of technique scheme, the present invention can also carry out following further improvement.
Further, the inwall of said clamping hole is provided with the internal thread that is used for said screw engagement, said screw through with the engagement of said internal thread, with said screw retention on said framework; And/or,
Said screw through be arranged on the screw and be positioned at the inboard nut engagement of said framework, with said screw retention on said framework.
Adopt the beneficial effect of above-mentioned further technical scheme to be: through directly internal thread being set at the clamping hole inwall, or through nut and screw engagement with screw retention on framework, can make the fixing simple more effective of galvanochemistry sample.
On the basis of technique scheme, the present invention can also carry out following further improvement.
Further, also be provided with fixed sturcture, the thin plate of said fixed sturcture for matching with its galvanochemistry sample outer wall shape of fixing at the stiff end of said screw
Adopt the beneficial effect of above-mentioned further technical scheme to be: the contact position through at screw end and galvanochemistry sample is provided with fixed sturcture, can increase the contact area between screw and the galvanochemistry sample, makes fixing more firm.
On the basis of technique scheme, the present invention can also carry out following further improvement.
Further, the surface of contact of said fixed sturcture and said galvanochemistry sample is provided with anti-skid structure; Said anti-skid structure is the convexity that is arranged on the surface of contact of fixed sturcture and said galvanochemistry sample.
Adopt the beneficial effect of above-mentioned further technical scheme to be: on fixed sturcture and surface of contact that the galvanochemistry sample contacts, anti-skid structure to be set, can further to increase the friction force between fixed sturcture and the galvanochemistry sample, make fixing more firm.
On the basis of technique scheme, the present invention can also carry out following further improvement.
Further, said galvanochemistry sample anchor clamps also comprise and are used for fixing lead, and the wire fixing device that said lead is electrically connected with said experiment table, and said wire fixing device is arranged on the said framework.
Adopt the beneficial effect of above-mentioned further technical scheme to be: on framework, be provided for the wire fixing device of fixing cord, can effectively guarantee, being electrically connected between lead and the experiment table in experimentation guarantees normally carrying out of experiment.
On the basis of technique scheme, the present invention can also carry out following further improvement.
Further, said clamping device uses as said wire fixing device.
Adopt the beneficial effect of above-mentioned further technical scheme to be: through with lead fixed on the screw that is used for fixing the galvanochemistry sample; Can simplify the structure of galvanochemistry sample anchor clamps; Since clamping device must be in experimentation the sample of clamping galvanochemistry always, can guarantee that lead is electrically connected with the experiment table maintenance always in the experimentation so adopt clamping device that lead fix.
In sum; The invention provides a kind of galvanochemistry sample anchor clamps, use these anchor clamps when ESEM or other testing equipments experimentize to the galvanochemistry sample, through with the galvanochemistry sample with respect to the unsettled setting of experiment table; For lead is reserved enough locus; Need not cut like this galvanochemistry sample with lead, and lead is drawn or directly is fixed on by the side of anchor clamps in the framework, and it is electrically connected with experiment table.Galvanochemistry sample anchor clamps in the application of the invention can experimentize to the galvanochemistry sample under the condition of not destroying the galvanochemistry sample, and the galvanochemistry sample can be used repeatedly, and can realize the dynamic monitoring of galvanochemistry sample is tested.
Description of drawings
Fig. 1 representes galvanochemistry sample anchor clamps of the present invention (band sample) structural representation;
Fig. 2 representational framework structural representation;
Fig. 3 representes electrochemical test spline structure synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing principle of the present invention and characteristic are described, institute gives an actual example and only is used to explain the present invention, is not to be used to limit scope of the present invention.
Like Fig. 1, shown in 3, galvanochemistry sample anchor clamps of the present invention are used for when experimentizing, for example: when scanning electron microscope was carried out fabric analysis, clamping had the galvanochemistry sample 3 of lead.Galvanochemistry sample anchor clamps comprise: be used to support the galvanochemistry sample 3 that has lead, and the galvanochemistry sample 3 that will have a lead be arranged on the framework 1 on the experiment table and be arranged on framework 1, be used for the galvanochemistry sample 3 that has lead is fixed on the clamping device 2 on the framework 1.After the galvanochemistry sample 3 that has a lead is fixed on the framework 1 through clamping device 2; The bottom surface and the bottom surface of framework 1 that have the galvanochemistry sample 3 of lead have setpoint distance; Like this; After being placed on the framework 1 that is provided with the galvanochemistry sample 3 that has lead on the microscope experiment table, the lead 4 that stretched out by galvanochemistry sample 3 bottom surfaces that have lead can not impacted to the held stationary of the galvanochemistry sample 3 that has lead.Preferably, this distance should satisfy with lead 4 can be easily by deriving in the framework 1, or directly be fixed in the framework 1.
The galvanochemistry sample 3 that will have lead through clamping device of the present invention is fixed on the framework 1; Again framework 1 is placed on the experiment table (not shown); At last; The lead 4 of galvanochemistry sample 3 that will have lead is fixing, and with experiment table between realize being electrically connected, can the galvanochemistry sample 3 that have lead be experimentized.The galvanochemistry sample anchor clamps that have lead among the present invention can be set directly on the experiment table of scanning electron microscope etc.; The bottom of fixing back galvanochemistry sample 3 that has lead of clamping on it does not contact with experiment table; Has setpoint distance between the two; So that by deriving in the framework 1 and fixing, making between the galvanochemistry sample 3 that has lead and the experiment table, the lead 4 that will be arranged on galvanochemistry sample 3 bottoms that have lead realizes being electrically connected.Galvanochemistry sample anchor clamps in the application of the invention; With to carry out fabric analysis the galvanochemistry sample 3 that has lead with respect to the unsettled setting of microscope experiment table; Conveniently have lead galvanochemistry sample 3 with lead 4 by deriving in the framework 1 or be fixed in the framework 1, and realize being electrically connected with experiment table.Both can with the galvanochemistry sample that has lead 3 smooth be arranged on the experiment table top; Guaranteed the experiment quality; Again because need not cut the galvanochemistry sample 3 that has lead with lead 4, the galvanochemistry sample 3 that has lead can be used repeatedly, and carries out dynamic monitoring experiment.
In the preferred embodiments of the present invention, like Fig. 1, shown in 2, framework 1 is the thin-walled tubular structure, and the maximum circumscribed circle diameter of its radial section is smaller or equal to the experiment table diameter.The shape of the radial section of framework 1 should confirm that preferably for example, circular specimen uses circular frame according to the shape of the galvanochemistry sample 3 that has lead, and rectangular specimen uses rectangular frame etc., but is not limited thereto.Certainly, in practical application, the version of framework 1 for example has a lot: can be the cylinder that has some supporting legs etc., as long as the structure of galvanochemistry sample that can fixedly have lead through clamping device has not just been enumerated at this all applicable to this one by one.
In the preferred embodiments of the present invention, framework 1 is preferably processed by conductive material, and the lead 4 that will have the galvanochemistry sample 3 of lead like this is fixed on can be realized on the framework 1 and being electrically connected of experiment table, easy to operate.
In the preferred embodiments of the present invention, like Fig. 1, shown in 2, also be provided with the derived type structure 5 that is used for lead 4 is derived frameworks 1 on the framework 1, derived type structure 5 is for the through hole on the sidewall that is arranged on framework 1 or be arranged on the groove of the sidewall bottom of framework 1; The diameter of through hole or groove should be more than or equal to the diameter of lead.Certainly; In practical application, derived type structure 5 also can adopt other form, for example: be arranged on delivery line on the framework 1 etc.; As long as can be with the lead 4 that is arranged on the galvanochemistry sample 3 that has lead in the framework 1 by the structure that derives in the framework 1 all applicable to this, do not enumerate one by one at this.
In the preferred embodiments of the present invention, like Fig. 1, shown in 2, clamping device 2 comprises several screws, and is provided with a plurality of clamping holes 6 that screw passes that are used in the side wall upper part of framework 1; Preferably, the screw number that is comprised in the quantity of clamping hole 6 and the clamping device 2 is identical, and along same circumference uniform distribution on the sidewall of framework 1.For example: like Fig. 1, shown in 2, framework 1 is provided with three clamping holes 6, through using the galvanochemistry sample 3 that has lead of three circles of three screw retention.During use; Screw passes clamping hole 6 and is inserted in the said framework 1; And its stiff end that is positioned at framework 1 contacts with the galvanochemistry sample 3 that has lead, and the particular location of adjusting a plurality of screws then is also fixing, and three galvanochemistry samples 3 that have lead are fixed in the framework 1.Certainly, it is understandable that the quantity of clamping hole 6 also can be greater than the quantity of screw, so just can select employed clamping hole 6 with concrete shape according to the concrete quantity of the galvanochemistry sample 3 that has lead of clamping.
In the preferred embodiments of the present invention, like Fig. 1, shown in 2, the inwall of clamping hole 6 is provided with the internal thread that is used for screw, screw 7 through with the internal thread engages fixed on framework 1, to realize firm clamping to the galvanochemistry sample 3 that has lead.Certainly, screw also can be fixed through being arranged on the screw and being positioned at said framework 1 inboard nut, also can use simultaneously the clamping hole 6 that has internal thread and nut with screw retention on said framework.In addition, the stiff end that is used for fixing the galvanochemistry sample 3 that has lead at screw also is provided with fixed sturcture, and fixed sturcture can be the thin plate that the outer wall shape with its galvanochemistry sample of fixing 3 that has lead matches; And preferred, also be provided with anti-skid structure on the surface of contact of fixed sturcture and the galvanochemistry sample 3 that has lead; Anti-skid structure can be convexity that is arranged on the surface of contact etc.Through directly internal thread being set, or screw 7 is fixed on the framework 1, can makes the fixing simple more effective of the galvanochemistry sample 3 that has lead through nut and screw 7 engagements at the inwall of clamping hole 6.
In the preferred embodiments of the present invention, like Fig. 1,2, shown in 3, galvanochemistry sample anchor clamps also comprise and are used for fixing lead 4, and the wire fixing device that it is electrically connected with experiment table.Wire fixing device is arranged on the framework 1, and preferred, wire fixing device is a clamping device 2, is in the above-mentioned screw.Through with lead fixed on the screw that is used for fixing the galvanochemistry sample 3 that has lead, can further simplify the structure of galvanochemistry sample anchor clamps.Because screw must clamping always have the galvanochemistry sample 3 of lead in experimentation, can guarantee that lead 4 keeps being electrically connected with experiment table always in the experimentation so adopt screw that lead 4 is fixed.
It more than is preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (10)
1. galvanochemistry sample anchor clamps are used for the galvanochemistry sample that clamping has lead, it is characterized in that, said galvanochemistry sample anchor clamps comprise:
Be used to support the galvanochemistry sample, and the galvanochemistry sample is arranged on the framework on the test unit; And,
Be used for the galvanochemistry sample is fixed in the said framework, and make said after fixing have the clamping device that has setpoint distance between bottom surface and the framework bottom surface of galvanochemistry sample of lead, be arranged on the said framework;
Through said clamping device the said galvanochemistry sample that has lead is fixed on the said framework, and makes between galvanochemistry sample and the testing equipment through said lead and to realize being electrically connected, can experimentize said galvanochemistry sample.
2. galvanochemistry sample anchor clamps according to claim 1 is characterized in that: said framework is the thin-walled tubular structure, and the maximum circumscribed circle diameter of its radial section is smaller or equal to the experiment table diameter.
3. galvanochemistry sample anchor clamps according to claim 1, it is characterized in that: said framework is processed by conductive material.
4. galvanochemistry sample anchor clamps according to claim 1; It is characterized in that: also be provided with the derived type structure that is used for said lead is derived said framework on the said framework; Said derived type structure is the groove that is arranged on the through hole on the sidewall of said framework or is arranged on the sidewall bottom of said framework, and the diameter of said through hole or groove is more than or equal to the diameter of said lead.
5. according to each described galvanochemistry sample anchor clamps of claim 1 to 4, it is characterized in that: said clamping device comprises several screws, and the top of said frame side wall is provided with a plurality of clamping holes of supplying said screw to pass of being used to; Said screw passes said clamping hole and is fixed on the said framework, and the stiff end that said screw is inserted into said framework contacts with said galvanochemistry sample, and said galvanochemistry sample is fixed.
6. galvanochemistry sample anchor clamps according to claim 5, it is characterized in that: the inwall of said clamping hole is provided with the internal thread that is used for said screw engagement, said screw through with the engagement of said internal thread, with said screw retention on said framework; And/or,
Said screw through be arranged on the screw and be positioned at the inboard nut engagement of said framework, with said screw retention on said framework.
7. galvanochemistry sample anchor clamps according to claim 6 is characterized in that: the stiff end that is inserted into said framework at said screw also is provided with fixed sturcture, and said fixed sturcture is the thin plate that matches with its galvanochemistry sample outer wall shape of fixing.
8. galvanochemistry sample anchor clamps according to claim 7 is characterized in that: the surface of contact of said fixed sturcture and said galvanochemistry sample is provided with anti-skid structure; Said anti-skid structure is the convexity that is arranged on the surface of contact of fixed sturcture and said galvanochemistry sample.
9. galvanochemistry sample anchor clamps according to claim 1; It is characterized in that: said galvanochemistry sample anchor clamps also comprise and are used for fixing lead; And the wire fixing device that said lead is electrically connected with said experiment table, said wire fixing device is arranged on the said framework.
10. galvanochemistry sample anchor clamps according to claim 9, it is characterized in that: said clamping device uses as said wire fixing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210324620.1A CN102798563B (en) | 2012-09-04 | 2012-09-04 | Electrochemical sample clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210324620.1A CN102798563B (en) | 2012-09-04 | 2012-09-04 | Electrochemical sample clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102798563A true CN102798563A (en) | 2012-11-28 |
| CN102798563B CN102798563B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210324620.1A Active CN102798563B (en) | 2012-09-04 | 2012-09-04 | Electrochemical sample clamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604740A (en) * | 2013-11-14 | 2014-02-26 | 国家电网公司 | On-line electrochemical measuring method based on electric transmission line |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5225683A (en) * | 1990-11-30 | 1993-07-06 | Jeol Ltd. | Detachable specimen holder for transmission electron microscope |
| CN2748906Y (en) * | 2004-09-30 | 2005-12-28 | 中国海洋大学 | Electrode for electrochemical corrosion experiment |
| JP2006156263A (en) * | 2004-12-01 | 2006-06-15 | Hitachi High-Technologies Corp | Sample holder and analyzer using it |
| CN201716287U (en) * | 2010-06-29 | 2011-01-19 | 上海大学 | Clamp for testing electrochemistry of sheet metal |
-
2012
- 2012-09-04 CN CN201210324620.1A patent/CN102798563B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5225683A (en) * | 1990-11-30 | 1993-07-06 | Jeol Ltd. | Detachable specimen holder for transmission electron microscope |
| CN2748906Y (en) * | 2004-09-30 | 2005-12-28 | 中国海洋大学 | Electrode for electrochemical corrosion experiment |
| JP2006156263A (en) * | 2004-12-01 | 2006-06-15 | Hitachi High-Technologies Corp | Sample holder and analyzer using it |
| CN201716287U (en) * | 2010-06-29 | 2011-01-19 | 上海大学 | Clamp for testing electrochemistry of sheet metal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604740A (en) * | 2013-11-14 | 2014-02-26 | 国家电网公司 | On-line electrochemical measuring method based on electric transmission line |
| CN103604740B (en) * | 2013-11-14 | 2016-06-29 | 国家电网公司 | Based on the electrochemical measuring method that transmission line of electricity is online |
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| Publication number | Publication date |
|---|---|
| CN102798563B (en) | 2014-12-10 |
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