Multifunctional demonstration device for electrochemical experiment

Abstract

The utility model discloses a multifunctional demonstration device for an electrochemical experiment, which belongs to the technical field of electrochemical experiment equipment and comprises a test box body, a display screen arranged on one side of the test box body and used for demonstrating the electrochemical experiment, and a positive pole column and a negative pole column arranged in the test box body and used for carrying out the electrochemical experiment. The top of the positive pole is provided with a moving assembly used for controlling the positive pole to move, the moving assembly comprises sliding rails symmetrically arranged on the test box body, and the sliding rails are I-shaped. The effect is that the moving assembly is arranged, the clamping columns enter the clamping grooves to fix the movable plate, so that the position of the positive pole is not changed; the beneficial effects are that the electrochemical test is more stable, the obtained result is more accurate, the distance between the positive pole and the negative pole can be clearly obtained by arranging the graduated scale on the sliding track, and the reaction rate of each distance can be accurately obtained.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrochemical experimental equipment, in particular to a multifunctional demonstration device for electrochemical experiments. Background Art

[0002] Electrochemistry is an important part of the chemical system. It includes primary cells (series of experiments) and electrolytic cells (using industrial equipment for industrial, electroplating, and electrolytic refining production). The above content allows students to see the production process and equipment experiments with their own eyes, so that students' auditory (explosion sound), visual (fire), olfactory (smell) and other functional systems enter a highly active learning state at the same time, thereby stimulating students' curiosity and thirst for knowledge, achieving twice the result with half the effort, reversing the rote learning method, and achieving results that are difficult to achieve on campus.

[0003] After searching, it was found that the patent number is CN213601466U, which is a demonstration device for electrochemical teaching, including a shell, a battery, a power switch and a detection unit installed in the shell, the power switch is electrically connected to the detection unit and the battery respectively, and the bottom of the shell is also installed with a positive pole and a negative pole electrically connected to the detection unit. A slide extending toward the negative pole is provided on the shell at the positive pole, and the positive pole is installed in the slide through a card block. The card block can damp the movement in the slide, and the positive pole and the negative pole are also connected with conductors respectively. The utility model overcomes the shortcomings of the prior art. The device of the utility model can display the voltage and current values ​​when measuring the conductivity of the solution in real time. It can also be used for demonstration of electrolytic cells and electroplating experiments, and is easy to carry and use. This device can change the distance between the carbon rods on the positive and negative poles by moving the card block, and can demonstrate the effect of the change in the distance between the carbon rods on the conductivity of the solution. However, this device does not limit the moving card block, so it is easy to move on the slide, which will affect the experiment. At the same time, there is no accurate positioning of the moving distance, which is not conducive to calculating accurate experimental results.

[0004] The purpose of the utility model is to provide a multifunctional demonstration device for electrochemical experiments to solve the problems raised in the background technology. Utility Model Content

[0005] The purpose of the utility model is to provide a multifunctional demonstration device for electrochemical experiments to solve the problems raised in the background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a multifunctional demonstration device for electrochemical experiment, including test box body, the test box body one side is provided with the display screen for carrying out electrochemical test demonstration, the test box body is provided with the positive pole column and the negative pole column of electrochemical test, the positive pole column top is provided with the motion component for controlling the positive pole column moves,

[0007] The motion component includes the sliding rail that is symmetrically arranged on the test box body, the sliding rail is in the shape of an I-beam, the outer side of the sliding rail is slidably connected with a movable plate, the bottom of the movable plate on both sides is connected with a sliding block, the sliding block is slidably connected in the sliding rail, a plurality of clamping grooves are formed in one side of the sliding rail, a scale is arranged on the top of the sliding rail and corresponds to the position of the clamping groove, an installation groove is formed in the movable plate, and a sliding column is slidably connected to the side of the movable plate that faces the negative pole column.

[0008] Further, a second installation plate is fixedly installed at the end of the sliding column, a limiting column is fixedly installed at the bottom of the second installation plate, and a fixed plate is fixedly installed in the installation groove.

[0009] Further, a clamping column is slidably connected through the fixed plate, one end of the clamping column penetrates the movable plate and is slidably connected with the movable plate, the other end of the clamping column is connected with a moving plate, a limiting groove is formed in the moving plate and penetrates the moving plate, and the limiting column is slidably connected in the limiting groove.

[0010] Further, a spring is sleeved on the outer side of the clamping column, one end of the spring is connected in the installation groove, the other end of the spring is connected with the fixed plate, a limiting plate is fixedly connected in the installation groove, and the moving plate is slidably connected in the limiting plate.

[0011] Further, a circular groove is formed in the front end of the movable plate, the positive pole column is sleeved in the circular groove, a carbon rod is arranged at the front end of the positive pole column, the bottom of the movable plate on both sides is connected with a sliding block, and the sliding block is slidably connected in the sliding rail.

[0012] Further, a first installation plate is installed at the top of the test box body, the negative pole column penetrates the first installation plate and is connected with an insulating sleeve at the front end, and a control switch is arranged on one side of the test box body.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model discloses a structure is simple, and the activity board is fixed through the clamping column and the clamping groove, and the position of the positive pole is not changed, and the electrochemical test is more stable, and the result is more accurate, and the distance between the positive pole and the negative pole can be obtained clearly through the scale on the sliding rail, and the reaction rate of each distance can be obtained accurately, and the display screen is matched, and the user can check the experimental parameter and the result instantly, the curiosity of classmates can be stimulated simultaneously, the students produce novelty and interest, and the interface design of observation makes the user can set and operate the equipment easily, and reduces the learning cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in prior art, the following will be briefly introduced to the drawing needed to be used in the specific embodiment or prior art description, obviously, the drawing in the following description is some implementation of the utility model, and for the ordinary skilled person in the art, under the premise of not creating laboriously, other drawings can also be obtained according to these drawings.

[0016] Fig. 1 It is the structural schematic diagram of the utility model;

[0017] Fig. 2 It is the structural schematic diagram of the negative pole in the utility model;

[0018] Fig. 3 It is the structural schematic diagram of the sliding column in the utility model;

[0019] Fig. 4 It is the structural schematic diagram of the limiting groove in the utility model.

[0020] Explanations of reference signs:

[0021] In the drawings:

[0022] 1, test box body;2, display screen;3, control switch;4, carbon rod;5, positive pole;6, insulating sleeve;7, first mounting plate;8, movable plate;9, scale;10, negative pole;11, round groove;12, sliding column;13, mounting groove;14, second mounting plate;15, fixed plate;16, clamping column;17, spring;18, limiting column;19, limiting plate;20, sliding block;21, sliding rail;22, moving plate;23, limiting groove;24, clamping groove. Specific embodiments

[0023] In the following description, numerous specific details are set forth to provide a more thorough understanding of the present application. However, it will be apparent to one of skill in the art that the present application can be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present application.

[0024] Unless the context clearly requires otherwise, throughout the description, the

[0025] The connection mode can adopt existing modes such as bonding, welding, bolt connection, etc., and the actual needs are accurate.

[0026] Please refer to Figs. 1 to 4 As shown in the figure, a multifunctional demonstration device for electrochemical experiments includes a test box body 1, a first mounting plate 7 is installed on the top of the test box body 1, a negative pole 10 penetrates through the first mounting plate 7 and is connected with an insulating sleeve 6 at the front end, the insulating sleeve 6 can protect the safety of the operator, a control switch 3 is arranged on one side of the test box body 1, a display screen 2 for demonstrating electrochemical experiments is arranged on one side of the test box body 1, the data in the experiment (such as current, voltage) is displayed in real time through the display screen (2), the user can intuitively monitor the experiment process, and the data that is difficult to understand becomes clear at a glance, the test box body 1 is provided with a positive pole 5 and a negative pole 10 for performing electrochemical experiments, and the positive pole 5 is provided with a movement assembly for controlling the movement of the positive pole 5 at the top;

[0027] The movement assembly includes sliding rails 21 symmetrically arranged on the test box body 1, the sliding rails 21 are in the shape of an I-beam, are used for sliding of the sliding blocks 20, and are slidably connected with movable plates 8 outside. The sliding blocks 20 can move in the sliding rails 21, the distance between the positive pole 5 and the negative pole 10 is changed by moving the movable plates 8, and then the influence data of the distance between the two on the reaction is obtained, the sliding blocks 20 are connected with the movable plates 8 at the bottom of the two sides, are slidably connected in the sliding rails 21, a plurality of clamping grooves 24 are arranged on one side of one of the sliding rails 21, a scale 9 corresponding to the positions of the clamping grooves 24 is arranged on the top of the sliding rail 21, an installation groove 13 is arranged in the movable plate 8, and a sliding column 12 is slidably connected with the movable plate 8 at the side facing the negative pole 10.

[0028] The second mounting plate 14 is fixedly installed at the end of the sliding column 12, the limiting column 18 is fixedly installed at the bottom of the second mounting plate 14, the fixed plate 15 is fixedly installed in the installation slot 13, the clamping column 16 is slidably connected through the fixed plate 15, one end of the clamping column 16 penetrates through the movable plate 8 and is slidably connected with the movable plate 8, the other end of the clamping column 16 is connected with the moving plate 22, the limiting slot 23 is formed through the moving plate 22, the limiting column 18 is slidably connected in the limiting slot 23, the limiting column 18 moves forward, the moving plate 22 moves because the limiting slot 23 on the moving plate 22 is limited by the limiting plate 19, the clamping column 16 moves into the installation slot 13, the spring 17 is compressed, the spring 17 is arranged outside the clamping column 16, one end of the spring 17 is connected in the installation slot 13, the other end of the spring 17 is connected with the fixed plate 15, the limiting plate 19 is fixedly connected in the installation slot 13, the moving plate 22 is slidably connected in the limiting plate 19, the circular slot 11 is formed at the front end of the movable plate 8, the positive column 5 is sleeved in the circular slot 11, the carbon rod 4 is arranged at the front end of the positive column 5, the carbon rod 4 is a conductor, the device can display the voltage and current values in real time when the solution conductivity is measured, the sliding blocks 20 are connected at the bottoms of the two sides of the movable plate 8, and the sliding blocks 20 are slidably connected in the sliding rails 21.

[0029] The positive column 5, the negative column 10, the display screen 2 and the control switch 3 belong to the prior art, and the working principles, sizes and models are irrelevant to the problems solved by the present application, so they will not be described in detail, the control mode of the present application is controlled by the controller, the control circuit of the controller can be realized by simple programming of the controller, the power supply also belongs to the common knowledge in the field, and the present application is mainly used for protecting mechanical devices, therefore the control mode and the circuit connection will not be explained in detail.

[0030] Working principle: after the positive column 5 and the negative column 10 are installed, electrochemical experiment testing is carried out, the sliding column 12 is pressed to drive the mounting plate to move, the limiting column 18 at the bottom of the mounting plate slides in the limiting slot 23 in the moving plate 22, the moving plate 22 pulls the clamping column 16 to move because the movement of the moving plate 22 is limited by the limiting plate 19, the clamping column 16 moves away from the clamping slot 24 of the sliding rail 21, the spring 17 is compressed, the movable plate 8 is released, the distance between the positive column 5 and the negative column 10 is changed by moving the movable plate 8, the sliding block 20 at the bottom of the movable plate 8 slides in the sliding rail 21, then the distance between the two is obtained according to the scale 9 on the sliding rail 21, and then data is obtained on the display screen 2.

[0031] It has to be noted that, in the present document, the terms "comprising", "including", and "having" should be interpreted as specifying the presence of the stated features but not precluding the presence of one or more other features. It should also be noted that, in the present document, the term "or" should be interpreted as the logical or, i.e. requiring at least one of the presented options to be true.

[0032] While the embodiments of the present application have been illustrated 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 spirit and scope of the application as defined by the appended claims and their equivalents.

Claims

1. A multifunctional demonstration device for electrochemical experiments, comprising a test box body (1), characterized in that: The test box body (1) is provided with a display screen (2) for electrochemical test demonstration on one side, the test box body (1) is provided with a positive column (5) and a negative column (10) for electrochemical test, the positive column (5) is provided with a movement assembly for controlling the movement of the positive column (5) on the top; The movement assembly comprises sliding rails (21) symmetrically arranged on the test box body (1), the sliding rails (21) are in the shape of an I-beam, the sliding rails (21) are slidably connected with movable plates (8) on the outside, the movable plates (8) are connected with sliding blocks (20) at the bottoms on both sides, the sliding blocks (20) are slidably connected in the sliding rails (21), one of the sliding rails (21) is provided with a plurality of clamping grooves (24) on one side, the sliding rails (21) are provided with scale rulers (9) corresponding to the positions of the clamping grooves (24) on the top, the movable plates (8) are provided with installation grooves (13) on the inside, and sliding columns (12) are slidably connected with the movable plates (8) on the side facing the negative column (10).

2. The multifunctional electrochemistry experiment demonstration device according to claim 1, characterized in that: The sliding columns (12) are fixedly installed with second installation plates (14) at the ends, the second installation plates (14) are fixedly installed with limiting columns (18) at the bottoms, and the installation grooves (13) are fixedly installed with fixed plates (15).

3. The multifunctional electrochemistry experiment demonstration device according to claim 2, characterized in that: Clamping columns (16) are slidably connected through the fixed plates (15), one end of the clamping columns (16) penetrates through the movable plates (8) and is slidably connected with the movable plates (8), the other end of the clamping columns (16) is connected with moving plates (22), the moving plates (22) are provided with penetrating limiting grooves (23), and the limiting columns (18) are slidably connected in the limiting grooves (23).

4. The multifunctional electrochemical experiment demonstration device according to claim 3, characterized in that: The clamping columns (16) are provided with springs (17) on the outside, one end of the springs (17) is connected in the installation grooves (13), the other end is connected with the fixed plates (15), the installation grooves (13) are fixedly connected with limiting plates (19), and the moving plates (22) are slidably connected in the limiting plates (19).

5. The multifunctional electrochemistry experiment demonstration device according to claim 1, characterized in that: The movable plates (8) are provided with circular grooves (11) at the front ends, the positive columns (5) are sleeved in the circular grooves (11), and the positive columns (5) are provided with carbon rods (4) at the front ends.

6. The multifunctional electrochemical experiment demonstration device according to claim 1, characterized in that: The test box body (1) is provided with a control switch (3) on one side.

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