CN211294409U

CN211294409U - Visual model of conductor internal conduction principle

Info

Publication number: CN211294409U
Application number: CN201920972258.6U
Authority: CN
Inventors: 孟醒
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-08-18
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a visual model of conductive principle in conductor inside, its characterized in that: including shell body and basin, the basin sets up in the shell body, be equipped with powerful magnet between basin and the shell body, the basin surface is equipped with the apron, be equipped with presentation device on the apron, presentation device includes plate electrode, observation window, wire and conducting solution, observation window sets up on the apron surface the lower surface of apron is equipped with a U-shaped plate, the U-shaped plate sets up with observation window relatively, is equipped with two plate electrodes relatively in the left and right sides of U-shaped plate, is connected with the wire on the two plate electrodes of the left and right sides respectively, the conducting solution sets up in the basin. The visualization effect is enhanced by utilizing the colored solution generated by electrochemical corrosion of the electrode; the device can demonstrate the current flowing direction and the shunting phenomenon which are equal to the content related to the directional movement of the charged particles, can also demonstrate the current in a qualitative mode, removes a redundant device and simplifies the observation.

Description

Visual model of conductor internal conduction principle

Technical Field

The utility model relates to a teaching articles for use field, the visual model of the inside electrically conductive principle of conductor more specifically says so.

Background

In the related learning content of the primary to high and middle physics disciplines, the related knowledge of the current occupies an important position, especially, in the scientific teaching process of the primary school, students are difficult to understand how the current flows in a conductor, and teachers need to enable the students to imagine the current into water flow during explanation, but due to lack of practical observation, the teaching method is limited by the cognitive characteristics of the primary school students, and the teaching method is still difficult to solve. Although there are relevant experimental demonstration instruments for demonstrating current in life, these instruments are generally complex in structure and inconvenient to carry, or adopt LEDs to simulate current flow, etc., which seriously lack authenticity.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a visual model of the inside electrically conductive principle of conductor can be used for demonstrating the inside electron directional movement of conductor both the current flow relevant phenomenon, also has the advantage that simple structure conveniently carried simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: a visualized model of a conductor internal conduction principle is characterized in that: including shell body and basin, the basin sets up in the shell body, be equipped with powerful magnet between basin and the shell body, the basin surface is equipped with the apron, be equipped with presentation device on the apron, presentation device includes plate electrode, observation window, wire and conducting solution, observation window sets up on the apron surface the lower surface of apron is equipped with a U-shaped plate, the U-shaped plate sets up with observation window relatively, is equipped with two plate electrodes relatively in the left and right sides of U-shaped plate, is connected with the wire on the two plate electrodes of the left and right sides respectively, stretch out from the basin at the both ends of wire, conducting solution sets up in the basin.

Preferably. The powerful magnet adopts the magnetic path, and this magnetic path just can cover the basin bottom surface.

Preferably, the viewing window is square or oval.

Preferably, the demonstration device further comprises a switch and a power supply, the switch is fixedly arranged on the surface of the cover plate, and the lead is connected with the positive electrode and the negative electrode of the power supply after passing through the switch.

Preferably, a water drain valve is arranged on the side surface of the outer shell and communicated with the bottom of the water tank.

Preferably, the conductive solution may use concentrated brine.

The utility model discloses a technological effect and advantage:

1. compared with the prior art, the technical scheme adopted by the application has the advantages of simple structure and convenience in carrying, and meanwhile, the demonstration of an electricity experiment is also convenient to carry out, and the operation is simple.

2. The visualization effect is enhanced by using a colored solution generated by electrochemical corrosion of the electrode;

3. the contents that the current flowing direction and the shunting phenomenon are equal to the directional movement of the charged particles can be demonstrated.

4. The current is demonstrated in a qualitative manner, redundant devices are removed, and observation is simplified.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A' of FIG. 1;

FIG. 3 is a schematic structural view of the cover plate of the present invention;

FIG. 4 is a schematic structural diagram of another embodiment of the present invention;

the reference signs are: 1. an outer housing; 2. a water tank; 3. a cover plate; 4. a strong magnet; 5. an electrode plate; 6. an observation window; 7. a wire; 8. a conductive solution; 9. a U-shaped plate; 10. a switch; 11. a power source; 12. a water drain valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in attached figures 1 and 2, the visualized model of the internal conductive principle of the conductor comprises an outer shell 1 and a water tank 2, wherein the water tank 2 is arranged in the outer shell 1, a strong magnet 4 is arranged between the water tank 2 and the outer shell 1, the strong magnet 4 adopts a square magnetic block, the size of the magnetic block is better to cover the bottom surface of the water tank 2, and then an even and stable magnetic field can be formed at the bottom of the water tank 2. 2 surfaces of basin are equipped with apron 3, apron 3 sets up with 2 mouthful of cooperations in basin, as shown in fig. 3, is equipped with experiment presentation device on apron 3, presentation device includes plate electrode 5, observation window 6, wire 7 and conducting solution 8, observation window 6 sets up on apron 3 surfaces, and this observation window 6 can be square or oval-shaped through-hole the lower surface of apron 3 is equipped with a U-shaped board 9, U-shaped board 9 sets up with observation window 6 relatively, is equipped with two plate electrodes 5 at the relative level in the left and right sides of U-shaped board 9, is connected with wire 7 on controlling two plate electrodes 5 respectively, 2 surfaces of basin are stretched out from at the both ends of wire 7. The conductive solution is arranged in the water tank 2, and the conductive solution can be strong brine.

In this embodiment, in order to discharge the waste water after the experiment conveniently, the side of shell body 1 is equipped with the valve 12 that drains, the valve 12 that drains communicates with 2 bottoms in basin, after the experiment is accomplished, opens the valve 12 that drains, just can discharge waste water, avoids waste water and human skin to contact.

The technical effects and advantages of the utility model lie in:

The specific operation steps are as follows: first, a strong brine is injected into the model through the observation window 6, and the height of the strong brine is preferably just enough to submerge the electrode plate 5 to prevent overflow.

Then, the wires 7 at the two ends of the model are connected with the power supply 11, the model is adaptive to the power supply 11 with 18V, and the demonstration effect of the model can be influenced by changing the voltage of the power supply 11. Under the magnetic field of the strong magnet 4, the flowing situation of the strong brine in the water tank 2 can be observed through the observation window 6, and then the flowing situation of the current in the circuit can be judged.

Finally, the single model can be connected with power supplies 11 with different voltages, so that the flowing speed of the concentrated brine can be demonstrated under the condition of different current strengths, and the current strength can be judged. In addition, the flowing direction of the concentrated brine can be observed by exchanging the positive electrode and the negative electrode, and the flowing direction of the current can be further demonstrated.

In another demonstration experiment, we adopt two or more than two model access circuits, after switch-on 11, through the flow direction contrast of strong brine in the different models, and then observe the reposition of redundant personnel phenomenon, so more directly perceived makes things convenient for the student to understand. Finally, to demonstrate the effects of the lorentz force to the students, we can open the cover plate 3, let the students observe the internal structure of the model, let them understand the condition of the electrochemical corrosion.

As a further improvement of the present invention, it can be shown in fig. 4, the demonstration apparatus further includes a switch 10 and a power supply 11, the switch 10 is fixedly disposed on the surface of the cover plate 3, the power supply 11 adopts an external power supply 11, the wire 7 passes through the switch 10 and then is connected to the positive electrode and the negative electrode of the power supply 11, so that the switch 10 can be used to control the opening and closing of the power supply 11 during the experiment, which is very convenient. In addition, after the external power supply 11 is adopted, the power supply 11 can be conveniently replaced as required during the experiment.

Claims

1. A visualized model of a conductor internal conduction principle is characterized in that: including shell body and basin, the basin sets up in the shell body, be equipped with powerful magnet between basin and the shell body, powerful magnet adopts the magnetic path, and this magnetic path just can cover the bottom surface of the basin, the basin surface is equipped with the apron, be equipped with presentation device on the apron, presentation device includes plate electrode, observation window, wire and conducting solution, observation window sets up on the apron surface the lower surface of apron is equipped with a U-shaped plate, the U-shaped plate sets up with observation window relatively, is equipped with two plate electrodes relatively in the left and right sides of U-shaped plate, is connected with the wire on the two plate electrodes of the left and right sides respectively, the both ends of wire are stretched out from the basin, conducting solution sets up in the basin, conducting solution adopts the strong brine.

2. The visualization model of the principle of conduction inside a conductor according to claim 1, wherein: the observation window is square or oval.

3. The visualization model of the principle of conduction inside a conductor according to claim 1, wherein: the demonstration device further comprises a switch and a power supply, the switch is fixedly arranged on the surface of the cover plate, and the lead is connected with the positive electrode and the negative electrode of the power supply after passing through the switch.

4. The visualization model of the principle of conduction inside a conductor according to claim 1, wherein: and a water drain valve is arranged on the side surface of the outer shell and is communicated with the bottom of the water tank.