CN220795112U - Be applied to simple and easy device of on-spot electrochemical measurement - Google Patents
Be applied to simple and easy device of on-spot electrochemical measurement Download PDFInfo
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- CN220795112U CN220795112U CN202322498884.5U CN202322498884U CN220795112U CN 220795112 U CN220795112 U CN 220795112U CN 202322498884 U CN202322498884 U CN 202322498884U CN 220795112 U CN220795112 U CN 220795112U
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- piston
- cylindrical shell
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- electrode
- ion
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- 238000002848 electrochemical method Methods 0.000 title claims abstract description 17
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 14
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000007799 cork Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 238000000835 electrochemical detection Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910000870 Weathering steel Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000000840 electrochemical analysis Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model provides a simple device applied to field electrochemical measurement, which relates to the technical field of electrochemical measurement, and comprises a cylindrical shell, wherein an ion permeation plug and a piston are arranged in the cylindrical shell, the ion permeation plug is positioned below the piston, and sponge is filled between the ion permeation plug and the piston; a through hole is formed in the vertical direction of the piston, a platinum sheet is arranged on the lower surface of the piston, an electrode lead penetrates through the through hole, one end of the electrode lead is connected with the platinum sheet, and the other end of the electrode lead is connected with a workpiece to be detected. The simple device is suitable for the field construction environment, can perform electrochemical detection by keeping a small amount of surface area flat, is more flexible and convenient to apply, has better system reproducibility, takes a steel member as a working electrode, takes a platinum sheet as a reference electrode and a counter electrode, and realizes a three-electrode system for electrochemical measurement.
Description
Technical Field
The utility model relates to the technical field of electrochemical measurement, and particularly provides a simple device applied to site electrochemical measurement.
Background
Compared with the weight loss, thickness measurement and other corrosion detection modes, the electrochemical detection has the advantages of sensitivity, high efficiency and the like, and is an excellent effective means for evaluating and comparing the overall corrosion condition of the steel member. However, the conventional electrochemical test needs to cut the steel member into test pieces with unit area, and the test pieces can be applied to the steel member through packaging, polishing and grinding and the like to be processed into standard electrochemical samples, so that the conventional electrochemical test is complicated, the steel member is damaged, and the field detection test cannot be completed. And the component with the rust layer on the surface has larger influence on the rust layer in the processing process.
Disclosure of Invention
The purpose of the utility model is that: the device can construct an electrochemical measurement system on a construction site, and can realize the on-site electrochemical detection by adopting an electrochemical workstation or other electrochemical modules. The corrosion process and corrosion behavior of the steel member can be characterized by electrochemical measurements of different periods.
In order to achieve the above object, the present utility model provides the following technical solutions:
a simple device applied to field electrochemical measurement comprises a cylindrical shell, wherein an ion permeation plug and a piston are arranged in the cylindrical shell, the ion permeation plug is positioned below the piston, and sponge is filled between the ion permeation plug and the piston; a through hole is formed in the vertical direction of the piston, a platinum sheet is arranged on the lower surface of the piston, an electrode lead penetrates through the through hole, one end of the electrode lead is connected with the platinum sheet, and the other end of the electrode lead is connected with a workpiece to be detected.
Further, the bottom of the cylindrical shell is provided with an annular sealing groove, and a sealing ring is arranged in the sealing groove.
Further, the sealing ring is a rubber ring or polytetrafluoroethylene.
Further, a weight body is provided at the top end of the cylindrical housing.
Further, the ion permeable plug is a porous ceramic or cork.
The beneficial effects of the utility model are as follows:
1. the simple device is suitable for the field construction environment, can perform electrochemical detection by keeping a small amount of surface area flat, and is more flexible and convenient to apply.
2. The utility model adopts sponge to retain water, ion permeable plugs and the like to form a measuring electrochemical loop. The movable piston can keep no air residue in the measuring cavity, and the system reproducibility is good.
3. When the simple device is used on site, the steel member is used as a working electrode, the platinum sheet is used as a reference electrode and a counter electrode, and a three-electrode system for electrochemical measurement is realized.
Drawings
Fig. 1 is a schematic structural diagram of a simple device according to the present utility model.
Reference numerals: 1. the device comprises a cylindrical shell, 2, an ion permeation plug, 3, a sponge, 4, a piston, 5, a through hole, 6, an electrode lead, 7, a platinum sheet, 8 and a sealing groove.
Detailed Description
The utility model is further illustrated, but not limited, by the following examples and figures of the specification.
Example 1
The simple device for field electrochemical measurement comprises a cylindrical shell 1, wherein an ion permeation plug 2 and a piston 4 are arranged in the cylindrical shell 1, the ion permeation plug 2 is positioned below the piston 4, and a sponge 3 is filled between the ion permeation plug 2 and the piston 4; through holes 5 are formed in the vertical direction of the piston 4, a platinum sheet 7 is arranged on the lower surface of the piston 4, an annular sealing groove 8 is formed in the bottom of the cylindrical shell 1, and a sealing ring is arranged in the sealing groove 8. The sealing ring is a rubber ring or polytetrafluoroethylene. The top end of the cylindrical shell 1 is provided with a counterweight body. The ion permeable plug 2 is a porous ceramic or cork.
Electrochemical detection is carried out on the stabilization degree of the field weathering steel rust layer, and the specific process is as follows by adopting the device:
(1) And the bottom sponge 3 and the ion permeable plug 2 are installed.
(2) The measuring solution, i.e., 3.5% NaCl solution, was injected into the cylindrical housing 1.
(3) And the electrode lead 6 passes through the through hole 5, one end of the electrode lead 6 is fixed with a platinum sheet 7, the other end of the electrode lead 6 is connected with a workpiece to be detected, the platinum sheet 7 is used as a reference electrode and a counter electrode for measurement, and the workpiece to be detected is an electrochemical workstation.
(4) The piston 4 is placed in the cylindrical housing 1 and gradually pushed toward the bottom, so that the injected measuring solution submerges the measuring platinum sheet 7, and a small amount of pressure is applied, so that the measuring solution wets the sponge 3 and the ion permeable plug 2.
(5) A rubber ring is arranged in the bottom sealing groove 8. During horizontal measurement, a counterweight body is added at the upper part of the cylindrical shell, so that the leakage of the solution of the cylindrical shell 1 is avoided, and excessive liquid is prevented from flowing into the surface of the weathering steel member.
(6) And the weather-resistant steel substrate is used as a working electrode and is connected with an electrochemical workstation to start measuring electrochemical data.
The utility model is not a matter of the known technology.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (5)
1. The utility model provides a simple and easy device of in situ electrochemical measurement which characterized in that: the ion-permeable porous sponge filling device comprises a cylindrical shell (1), wherein an ion-permeable plug (2) and a piston (4) are arranged in the cylindrical shell (1), the ion-permeable plug (2) is positioned below the piston (4), and a sponge (3) is filled between the ion-permeable plug (2) and the piston (4); a through hole (5) is formed in the vertical direction of the piston (4), a platinum sheet (7) is arranged on the lower surface of the piston (4), an electrode lead (6) penetrates through the through hole (5), one end of the electrode lead (6) is connected with the platinum sheet (7), and the other end of the electrode lead (6) is connected with a workpiece to be detected.
2. The simple device for in-situ electrochemical measurements according to claim 1, wherein: the bottom of the cylindrical shell (1) is provided with an annular sealing groove (8), and a sealing ring is arranged in the sealing groove (8).
3. The simple device for in-situ electrochemical measurements according to claim 2, wherein: the sealing ring is a rubber ring or polytetrafluoroethylene.
4. The simple device for in-situ electrochemical measurements according to claim 2, wherein: the top end of the cylindrical shell (1) is provided with a counterweight body.
5. The simple device for in-situ electrochemical measurements according to claim 1, wherein: the ion permeable plug (2) is a porous ceramic or cork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322498884.5U CN220795112U (en) | 2023-09-14 | 2023-09-14 | Be applied to simple and easy device of on-spot electrochemical measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322498884.5U CN220795112U (en) | 2023-09-14 | 2023-09-14 | Be applied to simple and easy device of on-spot electrochemical measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220795112U true CN220795112U (en) | 2024-04-16 |
Family
ID=90653004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322498884.5U Active CN220795112U (en) | 2023-09-14 | 2023-09-14 | Be applied to simple and easy device of on-spot electrochemical measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220795112U (en) |
-
2023
- 2023-09-14 CN CN202322498884.5U patent/CN220795112U/en active Active
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