CN202838780U - Presentation device for electromagnetic pendulum - Google Patents
Presentation device for electromagnetic pendulum Download PDFInfo
- Publication number
- CN202838780U CN202838780U CN 201220568333 CN201220568333U CN202838780U CN 202838780 U CN202838780 U CN 202838780U CN 201220568333 CN201220568333 CN 201220568333 CN 201220568333 U CN201220568333 U CN 201220568333U CN 202838780 U CN202838780 U CN 202838780U
- Authority
- CN
- China
- Prior art keywords
- conductor
- permanent magnet
- coil
- electromagnet
- presentation device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides a presentation device for an electromagnetic pendulum. The presentation device comprises a conductor support; a cross bar is arranged on the conductor support; a conductor oscillating bar is hung on the cross bar; and a permanent magnet is connected to the conductor oscillating bar. The presentation device further comprises a coil which is placed below the permanent magnet; one end of the coil is connected with the conductor support while the other end of the coil is connected with a storage battery; and the storage battery is connected with the conductor oscillating bar through an electric brush. A conductive wire in a connection line between the storage battery and the conductor oscillating bar serves as the electric brush. According to the presentation device for the electromagnetic pendulum, the coil is connected with the storage battery to form an electromagnet, the permanent magnet is arranged on the oscillating bar, the magnetic pole of the permanent magnet is set to be opposite to that of the electromagnet, and thus the permanent magnet and the electromagnet are pushed off from each other under the repelling of like poles so as to make the oscillating bar oscillate. The presentation device for the electromagnetic pendulum is simple in structure, convenient for presentation, and beneficial to students to deeply understand the working principle of the electromagnet.
Description
Technical field
The utility model relates to teaching aid, relates in particular to a kind of electromagnetic pendulum apparatus for demonstrating.
Background technology
Electromagnet is that a kind of the energising produces the device of magnetic, twines the conductive winding that is complementary with its power in the outside of iron core, and this alive coil has magnetic as magnet.Such electromagnet is magnetic when energising, and magnetic just disappears thereupon after the outage.Electromagnet has extremely widely in daily life to be used, and also is the important content in the physics teaching, is necessary to design a kind of apparatus for demonstrating, and the characteristics that have the rear magnetic disappearance of magnetic outage when making the electromagnet energising are intuitively showed.
The utility model content
The purpose of this utility model provides a kind of electromagnetic pendulum apparatus for demonstrating.
The utility model is that the technical scheme that its technical matters of solution adopts is,
The electromagnetic pendulum apparatus for demonstrating, include conductor support, has cross bar on this conductor support, be linked with the conductor fork on the cross bar, be connected with permanent magnet on this conductor fork, also include coil, this coil is positioned at the permanent magnet below, coil one end is connected with conductor support, and its other end is connected with accumulator, and accumulator joins by brush and conductor fork.
Brush is filled the post of by the conductive filament in accumulator and the conductor fork connecting line.
The utility model has the advantage of, this apparatus for demonstrating links to each other coil with accumulator, form electromagnet, and at fork permanent magnet is set, and it is opposite with the magnetic pole of electromagnet that the magnetic pole of permanent magnet is set to, and then permanent magnet and electromagnet push away mutually under the effect of two like magnetic poles repel each other, fork is swung, it is simple in structure, and demonstration is convenient, is conducive to student's intensification to the understanding of work of electromagnet principle.
Description of drawings
Fig. 1 is the structural representation of the electromagnetic pendulum apparatus for demonstrating that the utility model proposes.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose with effect is easy to understand, below in conjunction with illustrating and specific embodiment, further set forth the utility model.
As shown in Figure 1, the electromagnetic pendulum apparatus for demonstrating that the utility model proposes includes conductor support 1, has cross bar 2 on the conductor support 1, be linked with conductor fork 3 on the cross bar 2, be connected with permanent magnet 4 on the conductor fork 3, also include coil 5, coil 5 is positioned at the below of permanent magnet 4, coil 5 one ends are connected with conductor support 1, and its other end is connected with accumulator 6, and accumulator 6 joins by brush 7 and conductor fork 3.
Brush 7 is filled the post of by the conductive filament in accumulator and the conductor fork connecting line.
This apparatus for demonstrating links to each other coil with accumulator, form electromagnet, and at fork permanent magnet is set, it is opposite with the magnetic pole of electromagnet that the magnetic pole of permanent magnet is set to, then permanent magnet and electromagnet push away mutually under the effect of two like magnetic poles repel each other, and fork is swung, and it is simple in structure, demonstration is convenient, is conducive to student's intensification to the understanding of work of electromagnet principle.
More than show and described ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the instructions just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. electromagnetic pendulum apparatus for demonstrating, it is characterized in that, include conductor support, have cross bar on this conductor support, be linked with the conductor fork on the cross bar, be connected with permanent magnet on this conductor fork, also include coil, this coil is positioned at the permanent magnet below, and coil one end is connected with conductor support, its other end is connected with accumulator, and accumulator joins by brush and conductor fork.
2. electromagnetic pendulum apparatus for demonstrating according to claim 1 is characterized in that, brush is filled the post of by the conductive filament in accumulator and the conductor fork connecting line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220568333 CN202838780U (en) | 2012-10-25 | 2012-10-25 | Presentation device for electromagnetic pendulum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220568333 CN202838780U (en) | 2012-10-25 | 2012-10-25 | Presentation device for electromagnetic pendulum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202838780U true CN202838780U (en) | 2013-03-27 |
Family
ID=47950428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220568333 Expired - Fee Related CN202838780U (en) | 2012-10-25 | 2012-10-25 | Presentation device for electromagnetic pendulum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202838780U (en) |
-
2012
- 2012-10-25 CN CN 201220568333 patent/CN202838780U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103258466B (en) | A kind of Lorentz force demoustrating instrument | |
| CN205177230U (en) | Colleges and universities' mathematics probability teaching mode | |
| CN202838780U (en) | Presentation device for electromagnetic pendulum | |
| CN202188405U (en) | Magnetic attraction type lamp cap | |
| CN204990927U (en) | Simple and easy motor teaching mode | |
| CN203095301U (en) | Portable ground wire winding frame device | |
| CN201032567Y (en) | Experiment device of conductor cutting magnetic induction wire to generate induction current | |
| CN201331865Y (en) | Simplified electromagnetic induction teaching demonstration device | |
| CN203118877U (en) | Contactor | |
| CN202816242U (en) | Hand battery demonstration device | |
| CN201667157U (en) | Induction current demonstration device | |
| CN203326370U (en) | Installing and fixing support of power distribution network concrete pole intelligent boundary switch | |
| CN203300105U (en) | Demonstration device for Ampere force phenomenon | |
| CN204946978U (en) | A kind of assimilating type fast battery electric supply installation | |
| CN204155514U (en) | A kind of Physical Experiment simple and easy load detecting and protecting control circuit | |
| CN203352319U (en) | Rare earth permanent magnetism aerogenerator | |
| CN102376189A (en) | Device for demonstrating electromagnetic induction phenomena with light emitting diodes | |
| CN203553775U (en) | Auxiliary arrangement rack for cable | |
| CN214796431U (en) | Simple demonstration device for Oster experiment | |
| CN202352974U (en) | Portable shorting stub | |
| CN210110138U (en) | High school electromagnetism experimental apparatus | |
| CN201754090U (en) | Clamp type telegraph pole correcting device | |
| CN201965809U (en) | Three-dimensional stereo graphic demonstration device | |
| CN209525821U (en) | A kind of scientific toy device of demonstrating electromagnetic induction | |
| CN204926630U (en) | Many function combination formula physics experiment demonstration appearance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20131025 |