CN205487039U - Electric magnetic phenomena's teaching demonstration teaching reacts - Google Patents
Electric magnetic phenomena's teaching demonstration teaching reacts Download PDFInfo
- Publication number
- CN205487039U CN205487039U CN201620100300.1U CN201620100300U CN205487039U CN 205487039 U CN205487039 U CN 205487039U CN 201620100300 U CN201620100300 U CN 201620100300U CN 205487039 U CN205487039 U CN 205487039U
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- China
- Prior art keywords
- coil
- magnetic needle
- teaching
- magnetic
- power pack
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- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to an electric magnetic phenomena's teaching demonstration teaching reacts, press from both sides (5) including power pack (1), single -pole switch (2), coil (3), magnetic needle box (4), wire, can power pack (1) adorn 1 4 the festival dry battery, single -pole switch (2) act on and connect and the deenergization, coil (3) are located two wires and press from both sides between (5), and both ends press from both sides (5) with the wire respectively to be connected, and the number of turns of coil (3) is the ration by the needs of demonstrating, magnetic needle box (4) comprise the base and the magnetic needle of ability free rotation to be located the vacancy department in the middle of coil (3), the utility model discloses a simple structure, convenient operation is compared, physics electricity magnetic phenomena can be directly perceivedly, effectual reflected.
Description
Technical field
This utility model relates to demonstration teaching aid, particularly to a kind of demonstration teaching aid reacting electromagnet phenomenon.
Background technology
Existing teaching aid is only capable of showing electromagnet phenomenon, it is impossible to impact on small magnetic needle when demonstration situation changes；That is: magnetic force size can be affected by voltage and wire circle.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in construction, easy to operate, the obvious demonstration teaching aid of effect, can be rapidly reached again the purpose of physical electromagnetic phenomenon demonstration under different conditions.
For reaching above-mentioned purpose, a kind of demonstration teaching aid reacting electromagnet phenomenon of this utility model, including power pack (1), single knife switch (2), coil (3), magnetic needle box (4), wire folder (5).
Described power pack (1) can fill 1-4 and save aneroid battery, described single knife switch (2) acts on and is connected and disconnected from power supply, described coil (3) is positioned between two wires folder (5), two ends are connected with wire folder (5) respectively, the number of turns of coil (3) is quantitative by the needs demonstrated, described magnetic needle box (4) is made up of the freely rotatable base of energy and magnetic needle, and is positioned at the empty place in the middle of coil (3).
During experiment, battery is loaded in battery case (1), coil (3) two ends wire folder (5) is connected, then magnetic needle box (4) is positioned over the empty place in the middle of coil (3), by in single knife switch (2) connection, after switching on power, it may be observed that the motion conditions of magnetic needle, illustrate that coil creates magnetic field.
In order to demonstrate the impact on magnetic field of the different voltage, in battery case (1), load onto the battery of varying number respectively, change the voltage of output, it can be seen that the change of magnetic needle motion.
For demonstrating the impact on magnetic field of different coil (3) number of turns, just connect the coil (3) of the different number of turns respectively with wire folder (5), it can be seen that the change of magnetic needle motion.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the schematic diagram of a kind of demonstration teaching aid reacting electromagnet phenomenon of this utility model.
Detailed description of the invention
A kind of demonstration teaching aid reacting electromagnet phenomenon as shown in Figure 1, it includes power pack (1), single knife switch (2), coil (3), magnetic needle box (4), wire folder (5), described power pack (1) can fill 1-4 and save aneroid battery, described single knife switch (2) acts on and is connected and disconnected from power supply, described coil (3) is positioned between two wires folder (5), two ends are connected with wire folder (5) respectively, the number of turns of coil (3) is quantitative by the needs demonstrated, described magnetic needle box (4) is made up of the freely rotatable base of energy and magnetic needle, and it is positioned at the empty place in the middle of coil (3).
During demonstration, battery is loaded in battery case (1), coil (3) two ends wire folder (5) is connected, then magnetic needle box (4) is positioned over the empty place in the middle of coil (3), by in single knife switch (2) connection, after switching on power, it may be observed that the motion conditions of magnetic needle, illustrate that coil creates magnetic field.
Further, in battery case (1), load onto the battery of varying number respectively, change the voltage of output, it can be seen that the motion change that magnetic needle is different, illustrate that different voltage exists different impacts to magnetic field.
Further, connect the coil (3) of the different number of turns respectively with wire folder (5), it can be seen that the motion change that magnetic needle is different, illustrate that different coil (3) number of turns exists different impacts to magnetic field.
Above-described is only preferred implementation of the present utility model; should be understood that; for a person skilled in the art; on the premise of without departing from this utility model structure; some deformation and improvement can also be made; these also should be considered as protection domain of the present utility model, and these are all without affecting effect and the practical applicability that this utility model is implemented.
Claims (1)
1. the demonstration teaching aid reacting electromagnet phenomenon, including power pack (1), single knife switch (2), coil (3), magnetic needle box (4), wire folder (5), described power pack (1) can fill 1-4 and save aneroid battery, described single knife switch (2) acts on and is connected and disconnected from power supply, described coil (3) is positioned between two wires folder (5), two ends are connected with wire folder (5) respectively, the number of turns of coil (3) is quantitative by the needs demonstrated, described magnetic needle box (4) is made up of the freely rotatable base of energy and magnetic needle, and is positioned at the empty place in the middle of coil (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620100300.1U CN205487039U (en) | 2016-02-02 | 2016-02-02 | Electric magnetic phenomena's teaching demonstration teaching reacts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620100300.1U CN205487039U (en) | 2016-02-02 | 2016-02-02 | Electric magnetic phenomena's teaching demonstration teaching reacts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205487039U true CN205487039U (en) | 2016-08-17 |
Family
ID=56672979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620100300.1U Expired - Fee Related CN205487039U (en) | 2016-02-02 | 2016-02-02 | Electric magnetic phenomena's teaching demonstration teaching reacts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205487039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108109493A (en) * | 2017-12-30 | 2018-06-01 | 南京陶特思软件科技有限公司 | A kind of junior physics electromagnetic experimental device for electricity field |
-
2016
- 2016-02-02 CN CN201620100300.1U patent/CN205487039U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108109493A (en) * | 2017-12-30 | 2018-06-01 | 南京陶特思软件科技有限公司 | A kind of junior physics electromagnetic experimental device for electricity field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |