CN219641624U - Electrochemical experiment monitoring device - Google Patents

Abstract

The utility model provides an electrochemical experiment monitoring device, which belongs to the technical field of experimental devices and comprises a measuring cell, a cover body and a supporting component; the measuring pool is internally used for containing a discharging solution, is internally used for containing a measuring solution and is provided with a liquid inlet and a liquid outlet; the cover body is covered above the measuring pool, is provided with at least three through holes for inserting electrodes, and is provided with ventilation holes at the upper end; the support component is positioned above the cover body and is used for supporting the outer wall of the electrode to enable the electrode to be in a stable state; the staff passes the lid with three electrode, peg graft and go deep into measuring cell inside, adjusts three electrode bottom in proper order and is in same height, and supporting component has played support, fixed effect to the electrode, the effectual possibility that has reduced the electrode and has fallen down, and then has reduced the number of times that the staff adjusted the electrode height repeatedly, has further improved staff's work efficiency.

Description

Electrochemical experiment monitoring device

Technical Field

The utility model belongs to the technical field of experimental devices, and particularly relates to an electrochemical experiment monitoring device.

Background

In the electrochemical field, the precision degree of the experimental requirement is high, the precision degree of the research electrode is high, and the potential of the research electrode needs to be precisely controlled, so that a three-electrode device is mostly adopted.

The three electrodes are a working electrode, a reference electrode and an auxiliary electrode respectively, wherein the working electrode is also called a research electrode, and refers to the reaction researched on the electrode, the electrode material is usually predetermined according to the research property, and the most common 'inert' solid electrode material is glassy carbon (platinum, gold, silver, lead and conductive glass) and the like; the auxiliary electrode is also called a counter electrode and is used for forming a loop with the working electrode so as to ensure that the current on the working electrode is smooth, so that the reaction under study occurs on the working electrode, but the response observed by the battery is necessarily limited in no way; reference electrode refers to a nearly ideal unpolarized electrode of known potential, with substantially no current passing through the reference electrode, used to determine the electrode potential of the study electrode (relative to the reference electrode).

Currently, the three-electrode measuring device comprises a measuring tank and a cover body covered on the top of the measuring tank, a cavity for containing measuring solution is arranged in the middle of the measuring tank, a liquid inlet and a liquid outlet are respectively arranged above and below the measuring tank, at least three through holes for inserting electrodes are formed in the cover body, ventilation holes are further formed in the upper end of the cover body, three electrodes are respectively inserted into the cavity of the measuring tank from an upper cover, and a sealing ring is arranged outside the electrode.

When the three-electrode device is installed, workers are required to plug three electrodes into the through holes respectively, then the distance between the three electrodes and the cover body is adjusted, and then the bottom ends of the three electrodes are located at the same height, however, the electrodes can move downwards after being plugged into the through holes, so that the heights of the three electrodes are required to be adjusted repeatedly by the workers, and the working efficiency of the workers is affected.

Disclosure of Invention

The utility model aims to provide an electrochemical experiment monitoring device, which aims to solve the technical problem that working efficiency is affected by repeatedly adjusting the heights of three electrodes by workers in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electrochemical experiment monitoring device is provided, which comprises a measuring cell, a cover body and a supporting component; the measuring pool is internally used for containing a discharging solution, is internally used for containing a measuring solution and is provided with a liquid inlet and a liquid outlet; the cover is arranged above the measuring pool, at least three through holes for inserting electrodes are formed in the cover body, the working electrode, the reference electrode and the auxiliary electrode are respectively inserted into the through holes, the bottom ends of the working electrode, the reference electrode and the auxiliary electrode penetrate into the measuring solution, and ventilation holes are formed in the upper ends of the working electrode, the reference electrode and the auxiliary electrode; the support component is positioned above the cover body and is used for supporting the outer wall of the electrode.

In one possible implementation manner, the supporting component comprises supporting rods and supporting springs, wherein the number of the supporting rods and the number of the supporting springs are the same and are not less than two; one end of the supporting rod is abutted with one of the side walls of the electrodes, the remaining end of the supporting rod is hinged with the upper end of the cover body, and the supporting spring is fixedly connected between the supporting rod and the cover body.

In one possible implementation manner, the supporting component further comprises a reinforcing rod, the reinforcing rod is sleeved on the outer wall of the electrode, a plurality of limiting grooves are formed in one side of the reinforcing rod in the vertical direction, and one end of the supporting rod is inserted into the limiting grooves.

In one possible implementation, the support rod is fixedly connected with a support plate at one end close to the electrode.

In one possible implementation manner, a water injection vent hole is formed in one side of the measuring tank, a scale mark is arranged below the water injection vent hole, and the bottom end of the vent hole is tangent to the scale mark.

In one possible implementation manner, a sealing plug is arranged in the through hole, a plurality of branch tangents are arranged in the middle of the sealing plug, and the plurality of tangents intersect in the middle.

In one possible implementation, a detaching ring is detachably connected to the through hole, and the sealing plug is located inside the detaching ring.

In one possible implementation, the support plate is an arcuate plate-like structure with the openings disposed toward the electrodes.

In one possible implementation, a buffer pad is fixedly connected to one side of the support plate, which is close to the electrode.

In one possible implementation, the sealing plug thickness decreases gradually from the rim toward the middle.

The folding foam bag provided by the utility model has the beneficial effects that: compared with the prior art, the staff passes the lid with three electrode, peg graft and go deep into measuring cell inside, adjusts three electrode bottom in proper order and is in same height, and supporting component has played support, fixed effect to the electrode, the effectual possibility that has reduced the electrode and has fallen down, and then has reduced the number of times that the staff adjusted the electrode height repeatedly, has further improved staff's work efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of the internal structure of a measuring cell provided by an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a reference electrode in an inclined state according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a measuring cell according to an embodiment of the present utility model;

fig. 4 is an enlarged schematic view showing the structure of the portion a in fig. 1;

FIG. 5 is an enlarged schematic view showing the structure of the portion B in FIG. 3;

FIG. 6 is a top view of a cover according to an embodiment of the present utility model;

fig. 7 is a schematic view showing the structure of the sealing plug.

Wherein, each reference sign is as follows in the figure:

10. a measuring cell; 11. a liquid inlet; 12. a liquid outlet; 13. water injection vent holes; 20. a cover body; 21. a through hole; 22. ventilation holes; 23. a working electrode; 24. a reference electrode; 241. a rujin capillary tube; 25. an auxiliary electrode; 30. a support assembly; 31. a support rod; 32. a support spring; 40. a reinforcing rod; 41. a limit groove; 50. a support plate; 51. a cushion pad; 60. scale marks; 70. a sealing plug; 80. disassembling the ring; 90. dividing the line.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It is to be understood that the described embodiments are only some, but not all, embodiments of the present utility model, and that the specific embodiments described herein are intended to be illustrative of the present utility model and not limiting. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be further noted that the drawings and embodiments of the present utility model mainly describe the concept of the present utility model, and on the basis of the concept, some specific forms and arrangements of connection relations, position relations, power units, power supply systems, hydraulic systems, control systems, etc. may not be completely described, but those skilled in the art may implement the specific forms and arrangements described above in a well-known manner on the premise of understanding the concept of the present utility model.

When an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

The terms "inner" and "outer" refer to the inner and outer relative to the outline of each component itself, and the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. refer to the orientation or positional relationship as shown based on the drawings, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

The electrochemical experiment monitoring device provided by the utility model is now described.

Referring to fig. 1, 2 and 3, the electrochemical experiment monitoring apparatus according to the first embodiment of the present utility model includes a measuring cell 10 and a cover 20 covering the measuring cell 10, wherein the measuring cell 10 is hollow, a liquid inlet 11 and a liquid outlet 12 are provided at one side of the measuring cell 10, an air vent 22 is provided at the upper end of the cover 20, and the liquid inlet 11 is located above the liquid outlet 12; a sealing ring for improving the tightness between the measuring cell 10 and the cover 20 is arranged between the measuring cell 10 and the cover 20, in the embodiment of the utility model, the cover 20 is provided with three through holes 21, a working electrode 23, a reference electrode 24 and an auxiliary electrode 25 are respectively inserted into the three through holes 21, the bottom ends of the working electrode 23, the reference electrode 24 and the auxiliary electrode 25 are inserted into a measuring solution, the bottom ends of the working electrode 23, the reference electrode 24 and the auxiliary electrode 25 are positioned at the same height, a Rumex capillary 241 is arranged below the reference electrode 24, and the bottom end of the Rumex capillary 241 faces towards and is close to the working electrode 23; the outer walls of the working electrode 23, the reference electrode 24 and the auxiliary electrode 25 are all provided with a supporting component 30, the supporting component 30 is positioned above the cover body 20, and the outer walls of the electrodes are supported, so that the electrodes are in a stable state, and the stability of the electrodes inserted into the through holes 21 is improved.

In the embodiment of the utility model, the end part of the working electrode 23 is welded with an electric wire with an insulating sheath, the length of the electric wire is 150-250 mm, the free end of the electric wire is cut off the insulating sheath with the length of about 5-25 mm, and the diameter of the electric wire is 1.5-2.5mm; the auxiliary electrode 25 is typically a graphite electrode, the graphite size is 20mm x 5mm, one end of the metal wire is stripped of the insulating sheath and wound and fixed on the graphite electrode, and the other end is cut to obtain the insulating sheath of about 5mm-25 mm; working electrode 23 is made up of working face and non-working face, process DN900 metal tube sample to the middle part of tube wall, utilize the grinding machine to carry on the fine grinding of 600 mesh, the artificial 600 mesh grinds the sample and dresses, 800 or 1000 mesh abrasive paper fine grinding, 10 times magnifier check grind finish put into use after the defect-free, choose the outer wall of the metal tube sample as working face, the working face should shape rule can accurately measure the area, the rest is the non-working face, the non-working face uses solvent-free epoxy to carry on the solid seal treatment; after adjusting the Rujin capillary 241 to aim at the working electrode 23, supplementing saturated KCl solution in the capillary, wherein the Rujin capillary 241 takes agar gel-saturated potassium chloride solution as a connecting salt bridge, the outer diameter of the Rujin capillary 241 is 9mm, the inner diameter of the Rujin capillary is 6mm, the total length of the Rujin capillary is 150mm, the length of a bent foot is 20mm, and the vertical distance between the bent foot and the working electrode 23 is 0.1 mm-0.3 mm; optionally, the measuring cell 10 is made of an insulating material such as organic glass or transparent plastic, and in the utility model, the measuring cell 10 is made of organic glass, so that a worker can observe the change in the measuring cell 10 conveniently.

As shown in fig. 1 and 4, the support assembly 30 includes two support rods 31 and two support springs 32, in this embodiment, the two support rods 31 and 32 are symmetrically distributed on two sides of the electrode, one end of the support rod 31 is hinged to the upper surface of the cover 20, the remaining end of the support rod 31 abuts against the side wall of the electrode, the support springs 32 are fixedly connected between the support rod 31 and the cover 20, and when the support rod 31 is obliquely arranged and abuts against the electrode, the support springs 32 are in a stretched state; the supporting spring 32 pulls the supporting rod 31 downwards, and the upper end of the supporting rod 31 is abutted against the side wall of the electrode so as to achieve the effect of supporting the electrode.

As shown in fig. 3 and 5, one end of the supporting rod 31, which is close to the electrode, is fixedly connected with a supporting plate 50, the supporting plate 50 is in an arc plate structure, an opening of the supporting plate 50 is arranged towards one side of the electrode, one side of the supporting plate 50, which is close to the electrode, is fixedly connected with a buffer cushion 51, the shape of the buffer cushion 51 is adapted to that of the supporting plate 50, in the embodiment of the utility model, the buffer cushion 51 is made of silica gel, the outer wall of the electrode is fixedly connected with a reinforcing rod 40 along the length direction of the electrode, a plurality of limiting grooves 41 for inserting the supporting rod 31 are formed in the reinforcing rod 40 along the vertical direction, and one end of the supporting plate 50 is positioned in the limiting grooves 41.

The two supporting rods 31 and the supporting plate 50 which are arranged oppositely play a role in supporting the electrode, so that the possibility of downward movement of the electrode is reduced, the repeated adjustment of the height of the electrode by a worker is not required, and the working efficiency of the worker is further improved; the cushion pad 51 plays a role in protecting the electrode, and the supporting plate 50 is of an arc-shaped plate-shaped structure, so that the contact area between the supporting rod 31 and the electrode is increased, and the stability of the supporting rod 31 for supporting the electrode is further improved.

In the embodiment of the utility model, the reinforcing rod 40 is made of polytetrafluoroethylene, the cover body 20 is made of polytetrafluoroethylene, and the polytetrafluoroethylene has high chemical stability, hydrophobicity and oleophobicity, so that the experimental stability is further improved.

As shown in fig. 2 and fig. 4, when the distance between the working electrode 23 and the reference electrode 24 is adjusted, the supporting component 30 on the outer walls of the working electrode 23 and the reference electrode 24 is adjusted, so that the supporting rod 31 on one side is inserted into the limiting grooves 41 with different heights, at this time, the supporting spring 32 is in a stretching state, the upper end of the supporting plate 50 supports the outer walls of the electrodes and makes the electrodes in an inclined state, the purpose of electrode inclination is achieved, the effect of adjusting the mutual approaching of the working electrode 23 and the reference electrode 24 is achieved, and the test error is further improved.

Referring to fig. 1, fig. 4 and fig. 7, a sealing plug 70 is arranged in the through hole 21, the sealing plug 70 is in an annular columnar structure, a plurality of parting lines 90 penetrating through the sealing plug 70 are arranged in the middle of the sealing plug 70, two parting lines 90 are arranged in the embodiment of the utility model, and the middle parts of the two parting lines 90 are intersected to be used for inserting electrodes; the thickness of the sealing plug 70 is gradually reduced from two sides to the middle, so that the softness of the middle part of the sealing plug 70 is improved, and the electrode is convenient for a worker to insert in the through hole 21; the electrode is inserted into the sealing plug 70, the outer wall of the electrode is directly abutted against the sealing plug 70, the friction between the electrode and the sealing plug 70 is increased, and the stability of the sealing plug 70 to electrode fixation is further improved.

As shown in fig. 3 and 6, the disassembly ring 80 is arranged outside the sealing plug 70, the outer wall of the sealing plug 70 is abutted against the inner wall of the disassembly ring 80, and the sealing plug 70 is embedded inside the disassembly ring 80, in the embodiment of the utility model, the disassembly ring 80 is in threaded connection with the cover body 20, so that a worker can conveniently replace a new disassembly ring 80, and the stability of the disassembly ring 80 for fixing the electrode is further improved.

As shown in fig. 6, alternatively, the through holes 21 may be arranged in a straight line, and the working electrode 23 and the reference electrode 24 are inserted into the through holes 21 on both sides, so that the tip of the rujin capillary 241 faces the working electrode 23, thereby further improving the accuracy of experimental data.

As shown in fig. 3, a water injection vent hole 13 is formed in one side of the measuring cell 10, scale marks 60 are arranged below the water injection vent hole 13, and the bottom end of the water injection vent hole 13 is tangent to the scale marks 60; the measuring cell 10 is subjected to short-term test without replenishing measuring solution, if long-term test is performed, the measuring solution in the measuring cell 10 can be replenished through the water injection vent hole 13 so as to maintain the stability of the environment in the measuring cell 10; and the water injection vent hole 13 is opened when the measuring solution is replenished, when the liquid flows out from the water injection vent hole 13, the liquid level of the measuring solution is proved to just reach the position of the scale mark 60 of the experiment box, and the content of the solution in the measuring tank 10 is further ensured.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Claims (10)

1. An electrochemical test monitoring device, comprising:

the measuring tank (10) is internally used for containing measuring solution and is provided with a liquid inlet (11) and a liquid outlet (12);

a cover body (20) which is arranged above the measuring cell (10) in a covering way, is provided with at least three through holes (21) for inserting electrodes, and is also provided with ventilation holes (22) at the upper end;

and the support assembly (30) is positioned above the cover body (20) and is used for supporting the outer wall of the electrode so as to enable the electrode to be in a stable state.

2. The electrochemical test monitoring apparatus of claim 1, wherein: the support assembly (30) comprises support rods (31) and support springs (32), wherein the number of the support rods (31) and the number of the support springs (32) are the same and are not less than two; one end of the supporting rod (31) is abutted with one of the side walls of the electrodes, the remaining end of the supporting rod (31) is hinged with the upper end of the cover body (20), and the supporting spring (32) is fixedly connected between the supporting rod (31) and the cover body (20).

3. The electrochemical test monitoring apparatus of claim 2, wherein: the electrode outer wall is all overlapped and is equipped with stiffener (40), a plurality of spacing grooves (41) have been seted up along vertical direction to stiffener (40) one side, bracing piece (31) one end is pegged graft in spacing groove (41).

4. The electrochemical test monitoring apparatus of claim 2, wherein: one end of the supporting rod (31) close to the electrode is fixedly connected with a supporting plate (50).

5. The electrochemical test monitoring apparatus of claim 1, wherein: the measuring tank is characterized in that a water injection vent hole (13) is formed in one side of the measuring tank (10), a scale mark (60) is arranged below the water injection vent hole (13), and the bottom end of the vent hole is tangent to the scale mark (60).

6. The electrochemical test monitoring apparatus of claim 1, wherein: a sealing plug (70) is arranged in the through hole (21), a plurality of parting lines (90) are arranged in the middle of the sealing plug (70), and the middle of the parting lines (90) are intersected.

7. The electrochemical test monitoring apparatus of claim 6, wherein: the through hole (21) is detachably connected with a detaching ring (80), and the sealing plug (70) is positioned inside the detaching ring (80).

8. The electrochemical test monitoring apparatus of claim 4, wherein: the support plate (50) is of an arc-shaped plate-like structure, and the opening is arranged towards the electrode.

9. The electrochemical test monitoring apparatus of claim 4, wherein: and a cushion pad (51) is fixedly connected to one side, close to the electrode, of the supporting plate (50).

10. The electrochemical test monitoring apparatus of claim 6, wherein: the thickness of the sealing plug (70) gradually decreases from the edge to the middle.