CN102376189A - Device for demonstrating electromagnetic induction phenomena with light emitting diodes - Google Patents
Device for demonstrating electromagnetic induction phenomena with light emitting diodes Download PDFInfo
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- CN102376189A CN102376189A CN2010102652961A CN201010265296A CN102376189A CN 102376189 A CN102376189 A CN 102376189A CN 2010102652961 A CN2010102652961 A CN 2010102652961A CN 201010265296 A CN201010265296 A CN 201010265296A CN 102376189 A CN102376189 A CN 102376189A
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- light emitting
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- electromagnetic induction
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Abstract
The invention provides a device for demonstrating electromagnetic induction phenomena with light emitting diodes, which comprises a demonstrating board, wherein an electricity conducting base is arranged on the demonstrating board, the two ends of the electricity conducting base are respectively connected with the two ends of a cylindrical hollow coil through wires, two groups of light emitting diodes with different light emitting colors are arranged on the electricity conducting base, the two groups of light emitting diodes are oppositely arranged, and split strip-shaped magnets are arranged in the hollow coil. The two groups of light emitting diodes are oppositely arranged, and the unidirectional electricity conducting properties of the light emitting diodes are utilized. When the split strip-shaped magnets move from top to the bottom, one group of light emitting diodes emit light, and the other group is off. When the split strip-shaped magnets move from bottom to the top, the light emitting conditions of the two groups of light emitting diodes are opposite. The invention has the advantages of simple structure and convenience for manufacture. When the device is used during teaching, electromagnetic induction phenomena can be visually displayed. The device can improve the learning interest of a student and perform a positive function on learning.
Description
Technical field
The present invention relates to the teaching aid field, relate in particular to a kind of with light emitting diode demonstrating electromagnetic induction phenomenon device.
Background technology
Electromagnetic induction (Electromagnetic induction) phenomenon is meant the conductor that is placed in the change magnetic flux, can produce electromotive force.This electromotive force is called induction electromotive force or induced electromotive force, if this conductor is closed into a loop, then this electromotive force can order about electronics and flows, and forms induction current (induced current).
At present, in teaching process, also be not used in and show the faradic relevant teaching aid of generation, the beginner is when the study electromagnetic induction phenomenon, and learning interest is not high, and for this reason, the applicant is desirable to provide a kind of with light emitting diode demonstrating electromagnetic induction phenomenon device.
Summary of the invention
The objective of the invention is to the defective that exists to prior art, provide that a kind of it can show electromagnetic induction phenomenon with light emitting diode demonstrating electromagnetic induction phenomenon device, the raising students'interest in learning.
To achieve these goals, technical scheme of the present invention is following:
A kind of with light emitting diode demonstrating electromagnetic induction phenomenon device; It is characterized in that comprise a demonstration board, said demonstration board is provided with conductive seat; The two ends of said conductive seat are connected with the two ends of the air core coil of cylindricality through lead respectively; Said conductive seat is provided with two groups of different light emitting diodes of glow color, and two groups of light emitting diodes oppositely are provided with, and is provided with split type bar magnet in the said air core coil.
Two groups of light emitting diodes of the present invention oppositely are provided with, and utilize the unilateral conduction of light emitting diode, when split type bar magnet moves from the top down, and one group of lumination of light emitting diode, another group does not work; When split type bar magnet moved from bottom to top, the luminous situation of two groups of light emitting diodes was opposite.
The present invention has simple in structure, characteristics easy to make.When in teaching, using, can show electromagnetic induction phenomenon intuitively, the present invention can improve students'interest in learning, and study is played a positive role.
Description of drawings
Specify the present invention below in conjunction with accompanying drawing and embodiment:
Fig. 1 is a structural representation of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
Referring to Fig. 1; A kind of with light emitting diode demonstrating electromagnetic induction phenomenon device; Comprise a demonstration board 100, demonstration board is provided with conductive seat 200, and the two ends of conductive seat 200 are connected with the two ends of the air core coil 400 of cylindricality through lead 300 respectively; Conductive seat 200 is provided with two groups of different light emitting diodes of glow color, i.e. first group of light emitting diode 510, second group of light emitting diode 520.First group of light emitting diode 510, second group of light emitting diode 520 oppositely are provided with.Be provided with split type bar magnet 600 in the air core coil 400.
Two groups of light emitting diodes of the present invention oppositely are provided with, and utilize the unilateral conduction of light emitting diode, when split type bar magnet moves from the top down, and one group of lumination of light emitting diode, another group does not work; When split type bar magnet moved from bottom to top, the luminous situation of two groups of light emitting diodes was opposite.
The present invention has simple in structure, characteristics easy to make.When in teaching, using, can show electromagnetic induction phenomenon intuitively, the present invention can improve students'interest in learning, and study is played a positive role.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; What describe in the foregoing description and the instructions is principle of the present invention; The present invention also has various changes and modifications under the prerequisite that does not break away from spirit and scope of the invention, and these variations and improvement all fall in the scope of the present invention that requires protection.The protection domain that the present invention requires is defined by appending claims and equivalent thereof.
Claims (1)
1. one kind with light emitting diode demonstrating electromagnetic induction phenomenon device; It is characterized in that comprise a demonstration board, said demonstration board is provided with conductive seat; The two ends of said conductive seat are connected with the two ends of the air core coil of cylindricality through lead respectively; Said conductive seat is provided with two groups of different light emitting diodes of glow color, and two groups of light emitting diodes oppositely are provided with, and is provided with split type bar magnet in the said air core coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102652961A CN102376189A (en) | 2010-08-26 | 2010-08-26 | Device for demonstrating electromagnetic induction phenomena with light emitting diodes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102652961A CN102376189A (en) | 2010-08-26 | 2010-08-26 | Device for demonstrating electromagnetic induction phenomena with light emitting diodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102376189A true CN102376189A (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102652961A Pending CN102376189A (en) | 2010-08-26 | 2010-08-26 | Device for demonstrating electromagnetic induction phenomena with light emitting diodes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102376189A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2500038C1 (en) * | 2012-10-11 | 2013-11-27 | Олег Александрович Поваляев | Educational device for studying laws of electromagnetic induction |
| CN106157764A (en) * | 2015-05-15 | 2016-11-23 | 刘绍家 | A kind of instruments used for education of visible light demonstrating electrical magnetic phenomenon |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2750399Y (en) * | 2004-12-08 | 2006-01-04 | 南京师范大学 | Device for demonstrating electromagnetic induction current direction |
| CN2881840Y (en) * | 2005-05-09 | 2007-03-21 | 张金斗 | Comprehensive electromagnetic experimental device |
-
2010
- 2010-08-26 CN CN2010102652961A patent/CN102376189A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2750399Y (en) * | 2004-12-08 | 2006-01-04 | 南京师范大学 | Device for demonstrating electromagnetic induction current direction |
| CN2881840Y (en) * | 2005-05-09 | 2007-03-21 | 张金斗 | Comprehensive electromagnetic experimental device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2500038C1 (en) * | 2012-10-11 | 2013-11-27 | Олег Александрович Поваляев | Educational device for studying laws of electromagnetic induction |
| RU2500038C9 (en) * | 2012-10-11 | 2016-12-27 | Олег Александрович Поваляев | Educational device for studying laws of electromagnetic induction |
| CN106157764A (en) * | 2015-05-15 | 2016-11-23 | 刘绍家 | A kind of instruments used for education of visible light demonstrating electrical magnetic phenomenon |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120314 |