CN219224519U - Adjustable four-electrode electrochemical corrosion experimental device - Google Patents
Adjustable four-electrode electrochemical corrosion experimental device Download PDFInfo
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- CN219224519U CN219224519U CN202320717317.1U CN202320717317U CN219224519U CN 219224519 U CN219224519 U CN 219224519U CN 202320717317 U CN202320717317 U CN 202320717317U CN 219224519 U CN219224519 U CN 219224519U
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Abstract
The utility model discloses an adjustable four-electrode electrochemical corrosion experimental device, and belongs to the technical field of metal electrochemical corrosion. The device comprises a base, a sliding device, an electrode fixing device, an electrolytic cell and an electrolytic cell cover; the side surface of the base is provided with two horizontal first sliding rails and two horizontal second sliding rails, each sliding rail is provided with two sliding blocks, each sliding block is connected with an electrode fixing device, the electrode fixing device comprises a supporting rod, a clamping rod and a spring clamp, the supporting rod and the clamping rod are telescopic rods, and the spring clamp is used for fixing each electrode; the top of the base is provided with a circular groove, four electrolytic cell fixing devices uniformly distributed in the circumferential direction are arranged on the groove side, and the electrolytic cell cover are in a clamping mode. The utility model effectively solves the problems of influence on experimental results caused by few available electrode systems, complicated operation and improper fixation of the traditional electrochemical experiment fixing device, and has reasonable structure, flexible movement and convenient use.
Description
Technical Field
The utility model relates to the technical field of metal electrochemical corrosion, in particular to the field of electrochemical corrosion experimental devices.
Background
The metal corrosion causes huge economic loss to national economy, even brings disastrous accidents, wastes precious resources and energy sources and pollutes the environment. The corrosion principle of metals is various, wherein the hazard range of electrochemical corrosion is the widest and the corrosion speed is fast, which is widely focused by researchers.
Typical electrochemical corrosion systems include two-electrode, three-electrode and four-electrode systems. The two-electrode system is simplest to set, and is mostly applied to the situation that voltage drop of the whole battery is expected or potential of the counter electrode does not drift in the whole experimental process; the three electrodes are most widely applied, so that the potential change of the measuring working electrode can be prevented from being influenced by the counter electrode; the four-electrode system is generally used to measure the impedance value of a solution phase interface, such as a film or a liquid-liquid phase interface, and can also be used to precisely measure the solution resistance, or the resistance of a metal surface (solid-state battery).
At present, most of traditional experimental devices are three-electrode systems, experimental devices with four-electrode systems are lacking, and available electrode systems are few; the fixed mode is mainly to fix the electrolytic cell, electrodes are connected through other supporting tools, the electrodes are respectively fixed on the same horizontal line in the electrolytic cell, and when the electrolytic cell needs to be adjusted or moved, the experimental device needs to be detached and set again, so that the operation is complicated and the experimental result is very easy to influence.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide an adjustable four-electrode electrochemical corrosion experimental device which can be applied to two, three and four-electrode experimental systems, can be adjusted, moved and replaced on the basis of not influencing experimental results, and is reasonable in structure, flexible in movement and convenient to use.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: an adjustable four-electrode electrochemical corrosion experimental device comprises a base, a sliding device, an electrode fixing device, an electrolytic cell and an electrolytic cell cover; the base is of a cylindrical structure, the side surface of the base is provided with a sliding device, and the top of the base is provided with an electrolytic cell fixing device; the sliding device comprises a first sliding rail, a second sliding rail and sliding blocks arranged on the sliding rails, two sliding blocks are arranged on each sliding rail, and the sliding blocks (5) are connected with an electrode fixing device; the electrode fixing device comprises a supporting rod, a clamping rod and a spring clamp, wherein the supporting rod and the clamping rod are telescopic rods, the spring clamp is used for fixing an electrode, and the end part of the electrode fixing device is fixed on the sliding block through a short rod; the electrolytic cell fixing device is arranged on the side part of the circular groove at the top of the base and comprises conical springs and circular thin sheets at the large end, and the four circular thin sheets are uniformly distributed along the circumferential direction; the electrolytic cell is placed at the bottom of the circular groove, and the electrolytic cell cover are in a buckling connection mode.
Further, the central angles corresponding to the first sliding rail and the second sliding rail are all 0-360 degrees.
Further, the supporting rod and the clamping rod in the electrode fixing device are both composed of an inner rod, an outer rod sleeved on the inner rod and a locking mechanism for fixing the inner rod and the outer rod.
Further, the short bar on the first rail is 2.5cm shorter than the short bar on the second rail.
Further, a fastening device is arranged at the joint of the sliding block and the sliding rail.
Further, the bottom of the circular groove and the circular sheet of the electrolytic cell fixing device are respectively provided with an anti-slip pad or an anti-slip patch.
Further, the electrolytic cell cover is provided with at least four electrode insertion holes and at least one vent hole.
Further, the electrolytic cell can automatically change the specification according to the experimental content.
Further, the base, the electrode fixing device and the electrolytic cell fixing device are made of stainless steel.
Compared with the prior equipment, the utility model has the beneficial effects that: the electrode insertion holes are at least four, so that the experimental requirements of two, three and four electrode systems can be met; the moving angles of the sliding blocks are all 0-360 degrees, and the sliding blocks comprise fastening devices, so that the sliding blocks can move according to requirements, and convenience and stability of experiments are guaranteed to the greatest extent; the supporting rod and the clamping rod can stretch and retract according to the requirements and comprise a locking device, so that the electrodes with different lengths can reach ideal positions; the circular groove and the electrolytic cell locking device positioned at the top of the base can adapt to the electrolytic cell without the size, ensure the stability of the electrolytic cell in the experimental process and reduce experimental errors.
Drawings
FIG. 1 is a schematic diagram of an adjustable four-electrode electrochemical corrosion experimental apparatus according to the utility model
In the figure: 1. a base; 2. an electrolytic cell; 3. a cell cover; 4. a first slide rail; 5. a second slide rail; 6. a slide block; 7. a support rod; 8. a clamping rod; 9. a spring clip; 10. a short bar; 11. a circular groove; 12. a conical spring; 13. a wafer; 14. an electrode insertion hole; 15. and a vent hole.
Detailed description of the preferred embodiments
The utility model is further elucidated below in connection with the drawings and the detailed description.
As shown in FIG. 1, the adjustable four-electrode electrochemical corrosion experimental device comprises a base 1, a sliding device, an electrode fixing device, an electrolytic cell 2 and an electrolytic cell cover 3.
The base 1 is of a cylindrical structure, a sliding device is arranged on the side face of the base 1, and an electrolytic cell fixing device is arranged at the top of the base 1;
the sliding device comprises a first sliding rail 4, a second sliding rail 5 and sliding blocks 6 arranged on the sliding rails, two sliding blocks 6 are arranged on each sliding rail, and each sliding block 6 is connected with an electrode fixing device.
The electrode fixing device comprises a supporting rod 7, a clamping rod 8 and a spring clamp 9, wherein the supporting rod 7 and the clamping rod 8 are telescopic rods, experimental systems with different heights can be met, the spring clamp 9 is used for fixing each electrode, and the end part of the electrode fixing device is fixed on the sliding block 6 through a short rod 10.
The electrolytic cell fixing device is arranged on the side part of the circular groove 11 at the top of the base and comprises conical springs 12 and circular thin sheets 13 at the large end, and the four circular thin sheets are uniformly distributed along the circumferential direction.
The electrolytic cell 2 is arranged at the bottom of the circular groove 11, and the electrolytic cell 12 is in a buckling connection with the electrolytic cell cover (3).
Wherein, the central angles corresponding to the first sliding rail 4 and the second sliding rail 5 are all 0-360 degrees.
The supporting rod 7 and the clamping rod 8 in the electrode fixing device are composed of an inner rod, an outer rod sleeved on the inner rod and a locking mechanism for fixing the inner rod and the outer rod.
Wherein, the connecting part of the sliding block 6 and the sliding rail is provided with a fastening device.
Wherein, the short rod (10) on the first slide rail is shorter than the short rod on the second slide rail by 2.5cm, and the position of the electrode fixing frame is convenient to adjust.
Wherein, the bottom of the circular groove 11 and the circular sheet 13 of the electrolytic cell fixing device are respectively provided with an anti-slip pad or an anti-slip paste.
Wherein, the electrolytic cell cover 3 is provided with at least four electrode insertion holes 14 and at least one vent hole 15, the electrode insertion holes 14 are used for inserting the respective electrodes, and the vent hole 15 is used for meeting the oxygen environment or inert gas environment in the experimental process.
Wherein, the electrolytic cell 2 can automatically change the specification according to the experimental content.
Wherein, the base, the electrode fixing device and the electrolytic cell fixing device are made of uniform stainless steel, so that the corrosion resistance of the base, the electrode fixing device and the electrolytic cell fixing device is ensured.
When the device is used, firstly, a fixing device is placed on an experiment table top, then, a proper electrolytic cell 2 is placed in a circular groove 11 according to experiment contents, an electrode fixing device is used for fixing, electrolyte is added, then, according to an experiment system, two, three and four electrode systems are selected, according to the position of an electrode inserting hole 14 and the length of an electrode, a sliding block 6, a supporting rod 7 and a clamping rod 8 are adjusted and respectively fixed, then, the electrode is inserted into the electrode inserting hole 14, clamping is carried out by using a spring clamp 9, and finally, the electrode is connected with an electrochemical workstation for measuring an electrochemical corrosion experiment.
Finally, it should be noted that: although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An adjustable four-electrode electrochemical corrosion experimental device is characterized by comprising a base (1), a sliding device, an electrode fixing device, an electrolytic cell (2) and an electrolytic cell cover (3);
the base (1) is of a cylindrical structure, a sliding device is arranged on the side face of the base (1), and an electrolytic cell fixing device is arranged at the top of the base;
the sliding device comprises a first sliding rail (4), a second sliding rail (5) and sliding blocks (6) arranged on the sliding rails, two sliding blocks (6) are arranged on each sliding rail, and the sliding blocks (6) are connected with an electrode fixing device;
the electrode fixing device comprises a supporting rod (7), a clamping rod (8) and a spring clamp (9), wherein the supporting rod (7) and the clamping rod (8) are telescopic rods, the spring clamp (9) is used for fixing each electrode, and the end part of the electrode fixing device is fixed on the sliding block (6) through a short rod (10);
the electrolytic cell fixing device is arranged on the side part of a circular groove (11) at the top of the base and comprises conical springs (12) and circular thin sheets (13) at the large end, and the four circular thin sheets are uniformly distributed along the circumferential direction;
the electrolytic cell (2) is placed at the bottom of the circular groove (11), and the electrolytic cell (2) and the electrolytic cell cover (3) are in a buckling connection mode.
2. The adjustable four-electrode electrochemical corrosion experimental device according to claim 1, wherein the central angles of the first sliding rail (4) and the second sliding rail (5) are respectively 0-360 degrees.
3. The adjustable four-electrode electrochemical corrosion experimental device according to claim 1, wherein the supporting rod (7) and the clamping rod (8) in the electrode fixing device are composed of an inner rod, an outer rod sleeved on the inner rod and a locking mechanism for fixing the inner rod and the outer rod.
4. An adjustable four-electrode electrochemical corrosion test apparatus according to claim 1, wherein the short bar (10) on the first rail is 2.5cm shorter than the short bar on the second rail.
5. An adjustable four-electrode electrochemical corrosion experimental device according to claim 1, characterized in that a fastening device is arranged at the joint of the sliding block (6) and the sliding rail.
6. An adjustable four-electrode electrochemical corrosion experimental device according to claim 1, characterized in that the bottom of the circular groove (11) and the circular sheet (13) of the electrolytic cell fixing device are provided with anti-slip pads or anti-slip stickers.
7. An adjustable four-electrode electrochemical corrosion testing apparatus according to claim 1, characterized in that the cell cover (3) is provided with at least four electrode insertion holes (14) and at least one vent hole (15).
8. An adjustable four-electrode electrochemical corrosion test apparatus as claimed in claim 1, wherein the electrolytic cell (2) is capable of changing specifications by itself according to the content of the test.
9. An adjustable four-electrode electrochemical corrosion test apparatus according to claim 1, wherein the base, the electrode fixing device and the electrolytic cell fixing device are made of uniform stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320717317.1U CN219224519U (en) | 2023-04-04 | 2023-04-04 | Adjustable four-electrode electrochemical corrosion experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320717317.1U CN219224519U (en) | 2023-04-04 | 2023-04-04 | Adjustable four-electrode electrochemical corrosion experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219224519U true CN219224519U (en) | 2023-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320717317.1U Active CN219224519U (en) | 2023-04-04 | 2023-04-04 | Adjustable four-electrode electrochemical corrosion experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219224519U (en) |
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2023
- 2023-04-04 CN CN202320717317.1U patent/CN219224519U/en active Active
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