Multifunctional electromagnetic teaching experiment tool

Abstract

The utility model discloses a multifunctional electromagnetic teaching experiment tool which comprises an experiment platform and an electromagnetic generating device, and the electromagnetic generating device is configured to comprise a dry battery pack, a knife switch, an electromagnet and a circuit wiring group. The dry battery pack, the knife switch and the electromagnet are connected through the electric connector and the electric connector in an opening and separating mode, so that the dry battery packs, the knife switch and the electromagnet of various specifications can be conveniently replaced during electromagnetic experiments, and implementation of various electromagnetic experiment items is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electromagnetic teaching tool technical field, especially in a kind of multifunctional electromagnetic teaching experimental tool. BACKGROUND

[0002] In electromagnetic teaching activity, most teachers and students will purchase battery, wire, iron, paperclip lamp on market to carry out electromagnetic experiment by combination, now in electromagnetic teaching activity needs to give student demonstration oersted experiment, current size on electromagnet magnetism influence experiment, coil turns on electromagnet magnetism influence experiment, current direction, winding direction on electromagnet magnetic pole influence experiment, iron core thickness, size, material on electromagnet magnetism influence experiment etc., but it needs to utilize different miscellaneous materials to recombine production for each experiment above, this needs to consume a lot of time, under the restriction of teacher teaching progress, it is difficult to make all students to carry out test operation. UTILITARY MODEL CONTENT

[0003] The utility model aims at providing a kind of multifunctional electromagnetic teaching experimental tool, by the way of simplifying assembly, it is convenient for teachers and students to switch various electromagnetic experimental projects quickly.

[0004] In order to achieve the above-mentioned purpose, the technical scheme of the utility model has:

[0005] A kind of multifunctional electromagnetic teaching experimental tool, comprising:

[0006] Experimental platform;

[0007] Electromagnetic generating device, the electromagnetic generating device is fixedly installed on test platform;

[0008] Wherein, the electromagnetic generating device includes dry battery group, knife switch, electromagnet and circuit wiring group;

[0009] Multiple wires are included in the circuit wiring group, and the multiple wires are arranged on the experimental platform to have three circuit-breakings basic circuits, and are configured with electrical connection port at the circuit-breaking position;

[0010] Electrical connection head is configured at the connecting end of dry battery group, the connecting end of knife switch and the connecting end of electromagnet, and the dry battery group, knife switch and electromagnet are installed at the circuit-breaking position by electrical connection head in separable mode.

[0011] Compared with the prior art, the present invention provides a multifunctional electromagnetic teaching experiment tool, including an experimental platform and an electromagnetic generator. By configuring the electromagnetic generator to include a dry battery pack, a knife switch, an electromagnet, and a circuit wiring assembly, and connecting the dry battery pack, knife switch, and electromagnet in an open-closed manner through electrical connectors and electrical connection ports, it is possible to easily replace dry battery packs, knife switches, and electromagnets of different specifications during electromagnetic experiments, thereby enabling the implementation of various electromagnetic experiment projects.

[0012] Furthermore, the electrical connector is either an alligator clip or an electrical plug.

[0013] Furthermore, multiple wires are positioned on the back of the experimental platform.

[0014] In this application, the experimental platform includes:

[0015] Base;

[0016] An upright plate is mounted on the base, and the electromagnetic generator is mounted on the upright plate.

[0017] Furthermore, after the electromagnetic generator is installed on the upright plate, there is a gap between the electromagnetic generator and the edge of the upright plate.

[0018] In this application, the electromagnetic generating device further includes:

[0019] A speed controller is located on the back of the experimental platform, and one end of multiple wires is electrically connected to the speed controller.

[0020] A battery pack is disposed on the back of the experimental platform and is electrically connected to the speed controller.

[0021] In this application, the multifunctional electromagnetic teaching experimental tool further includes:

[0022] A compass is mounted on the experimental platform and positioned close to the electromagnet.

[0023] In this application, the multifunctional electromagnetic teaching experimental tool further includes:

[0024] A protractor is set on the experimental platform, and a magnetic rod is installed at the midpoint of the protractor, with the bottom end of the magnetic rod positioned close to the electromagnet.

[0025] In this application, the multifunctional electromagnetic teaching experimental tool further includes:

[0026] A magnetic field detection device is arranged close to the electromagnet and is electrically connected to an external display device.

[0027] For better understanding and implementation, the utility model is explained in detail below in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a structural schematic view of a multifunctional electromagnetic experiment tool in the embodiment;

[0029] Figure 2 is a structural schematic view of a multifunctional electromagnetic experiment tool in the embodiment. DETAILED DESCRIPTION

[0030] For better understanding and implementation, the utility model is explained in detail below in combination with the drawings.

[0031] It should be clear that the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0032] The terms used in the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the present application and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein means and includes any or all possible combinations of one or more associated listed items.

[0033] The following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of apparatuses and methods consistent with some aspects of the present application, as detailed in the appended claims. In the description of the present application, it should be understood that the terms "first", "second", "third", etc. are only used to distinguish similar objects, and do not necessarily describe a specific order or sequence, nor can they be understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] Further, in the description of the present application, unless otherwise specified, "a plurality of" refers to two or more. The association relationship of the associated objects described by "and / or" indicates that there can be three relationships, for example, A and / or B can represent: A exists alone, A and B exist together, and B exists alone. The character " / " generally represents an "or" relationship between the associated objects before and after it.

[0035] As shown in Figure 1 A multifunctional electromagnetic teaching experiment tool, comprising:

[0036] An experiment platform 1;

[0037] An electromagnetic generating device 2 is fixedly installed on the experiment platform;

[0038] The electromagnetic generating device 2 includes a dry battery group 21, a knife switch 22, electromagnets 23 and 24.

[0039] A plurality of wires are included in the 24, and a basic circuit with three open circuits is arranged on the experiment platform 1 by the plurality of wires, and an electrical connection port is arranged at each open circuit position.

[0040] An electrical connection head is arranged at the connection end of the dry battery group 21, the connection end of the knife switch 22, and the connection end of the electromagnet 23, and the dry battery group 21, the knife switch 22, and the electromagnet 23 are all installed at the open circuit position in a separable manner through the electrical connection head.

[0041] The multifunctional electromagnetic teaching experiment tool in this embodiment includes an experiment platform 1 and an electromagnetic generating device 2. By configuring the electromagnetic generating device 2 to include a dry battery group 21, a knife switch 22, electromagnets 23 and 24, and connecting the dry battery group 21, the knife switch 22, and the electromagnets 23 in a separable manner through electrical connection heads and electrical connection ports, various different specifications of dry battery groups 21, knife switches 22, and electromagnets 23 can be conveniently replaced during electromagnetic experiments, thereby implementing a plurality of electromagnetic experiment projects.

[0042] In the specific application in this embodiment, the electromagnetic generating device 2 uses a dry battery group 21, a knife switch 22, and electromagnets 23. The dry battery group 21, the knife switch 22, and the electromagnets 23 are connected through wires, and the connection between the dry battery group 21, the knife switch 22, and the electromagnets 23 and the wires is assembled in a detachable manner through electrical connection ports and electrical connection heads, so as to realize replacement of the dry battery group 21, the knife switch 22, and the electromagnets 23.

[0043] Preferably, the electrical connection head is one of a crocodile clip or an electrical plug.

[0044] In addition, the plurality of wires are arranged on the back of the experimental platform 1, and the wires are displayed on the front of the experimental platform 1 by using a tape, so as to avoid interference of the wires with installation of the dry battery set 21, the knife switch 22 and the electromagnet 23, and ensure that the front of the experimental platform 1 is clean and beautiful.

[0045] In the embodiment, as shown in Figure 1 the experimental platform 1 comprises:

[0046] The base 11 and the vertical plate 12 are installed on the base 11, and the electromagnetic generating device 2 is installed on the vertical plate 12, so as to facilitate vertical display of electromagnetic implementation and facilitate users to stand and operate experiments.

[0047] In addition, after the electromagnetic generating device 2 is installed on the vertical plate 12, a spacing distance is provided between the electromagnetic generating device 2 and the edge of the vertical plate 12, so as to provide sufficient installation area outside the electromagnetic generating device 2 on the experimental platform 1, and facilitate increase of external experimental equipment on the experimental platform 1.

[0048] In the embodiment, the electromagnetic generating device 2 further comprises:

[0049] The speed regulator is arranged on the back of the experimental platform 1, and one end of each of the plurality of wires is electrically connected to the speed regulator; and the battery set is arranged on the back of the experimental platform 1 and electrically connected to the speed regulator.

[0050] In experimental application, the battery is easily lost due to long-time short circuit, and the electromagnet 23 is heated. By connecting the 12V battery set in series, the loss of the battery is reduced, the experiment is more environmentally friendly, the wires ensure that the battery does not overheat when powered for a long time, and the experiment can be safely demonstrated and experienced.

[0051] In addition, in the embodiment, as shown in Figure 2 the multifunctional electromagnetic teaching experimental tool further comprises:

[0052] The compass 3 is arranged on the experimental platform 1, and the compass 3 is arranged close to the electromagnet 23.

[0053] The protractor 4 is arranged on the experimental platform 1, a magnetic rod is installed at a midpoint of the protractor 4, and a bottom end of the magnetic rod is arranged close to the electromagnet 23.

[0054] The magnetic field detection device 5 is arranged close to the electromagnet 23, and the magnetic field detection device 5 is electrically connected to an external display device.

[0055] By adopting the compass 3, the protractor 4 and the magnetic field detection device 5 in combination with the multifunctional electromagnetic teaching tool of the embodiment, various teaching experiments can be reproduced, i.e., 1, the Oersted experiment is reproduced. The energized wire is close to the compass 3, and it is found that the pointer is deflected; the power is turned off, and it is found that the pointer returns to the original position, which shows that the energized wire generates a magnetic field; 2, the influence of the current size on the magnetism of the electromagnet 23. The 150-turn electromagnet 23 is connected to a battery circuit, and it is found that the magnet is deflected, but the deflection angle is not large; the three dry batteries are connected, and it is found that the magnet deflection angle is obviously increased, which shows that when the number of turns is the same, the greater the current, the greater the magnetism of the electromagnet 23. 3, the influence of the number of turns on the magnetism of the electromagnet 23. The 70 turns are connected to the three battery circuits, and it is found that the magnet is deflected, but the angle is not large; the 150-turn electromagnet 23 is connected, and the magnet deflection angle is increased. It shows that under the same current, the more the number of turns of the electromagnet 23, the greater the magnetism. 4, the influence of the current direction and the winding direction on the magnetic pole of the electromagnet 23. The electromagnet 23 is connected to the power supply, and it is found that the magnet is attracted, and the positive and negative directions of the power supply are converted, and the magnet is repelled. It shows that changing the current direction can change the magnetic pole direction of the electromagnet 23. The electromagnet 23 with different winding directions is connected to the circuit, and the repulsion phenomenon also occurs; 5. The influence of the thickness, size and material of the iron core on the magnetism of the electromagnet 23. The iron core is pulled out, and different cores are replaced, and the influence of the thickness, size and material of the iron core on the magnetism of the electromagnet 23 is explored by observing the magnet deflection; 6. Digital acquisition. The collected electromagnetic data is viewed and collected in combination with the magnetic field detection device 5 and external display equipment.

[0056] According to the disclosure and teaching of the above description, the skilled in the art of the present application can also change and modify the above embodiments. Therefore, the present application is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the present application should fall within the protection scope of the claims of the present application. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the present application.

Claims

1. A multifunctional electromagnetic teaching experimental tool, characterized in that, include: Experimental platform; An electromagnetic generator, which is fixedly mounted on a test platform; The electromagnetic generating device includes a dry cell battery pack, a knife switch, an electromagnet, and a circuit wiring assembly. The circuit wiring group includes multiple wires, which are arranged on the experimental platform to form a basic circuit with three breaks, and each break location is equipped with an electrical connection port. Electrical connectors are provided at the connection terminals of the dry cell battery pack, the knife switch, and the electromagnet. The dry cell battery pack, the knife switch, and the electromagnet are all installed in a detachable manner at the circuit break position via the electrical connectors.

2. The multifunctional electromagnetic teaching experimental tool according to claim 1, characterized in that: The electrical connector is either an alligator clip or an electrical plug.

3. The multifunctional electromagnetic teaching experimental tool according to claim 1, characterized in that: Multiple wires are located on the back of the experimental platform.

4. The multifunctional electromagnetic teaching experimental tool according to claim 1, characterized in that, The experimental platform includes: Base; An upright plate is mounted on the base, and the electromagnetic generator is mounted on the upright plate.

5. The multifunctional electromagnetic teaching experimental tool according to claim 3, characterized in that: After the electromagnetic generator is installed on the upright plate, there is a gap between the electromagnetic generator and the edge of the upright plate.

6. The multifunctional electromagnetic teaching experimental tool according to claim 1, characterized in that, The electromagnetic generating device also includes: A speed controller is located on the back of the experimental platform, and one end of multiple wires is electrically connected to the speed controller. A battery pack is disposed on the back of the experimental platform and is electrically connected to the speed controller.

7. The multifunctional electromagnetic teaching experimental tool according to claim 1, characterized in that, The multifunctional electromagnetic teaching experiment tool also includes: A compass is mounted on the experimental platform and positioned close to the electromagnet.

8. The multifunctional electromagnetic teaching experimental tool according to claim 1, characterized in that, The multifunctional electromagnetic teaching experiment tool also includes: A protractor is set on the experimental platform, and a magnetic rod is installed at the midpoint of the protractor, with the bottom end of the magnetic rod positioned close to the electromagnet.

9. The multifunctional electromagnetic teaching experimental tool according to claim 1, characterized in that, The multifunctional electromagnetic teaching experiment tool also includes: A magnetic field detection device is provided, which is positioned close to the electromagnet and is electrically connected to an external display device.

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