CN203422881U - Magnetic induction line demonstration instrument - Google Patents
Magnetic induction line demonstration instrument Download PDFInfo
- Publication number
- CN203422881U CN203422881U CN201320432733.3U CN201320432733U CN203422881U CN 203422881 U CN203422881 U CN 203422881U CN 201320432733 U CN201320432733 U CN 201320432733U CN 203422881 U CN203422881 U CN 203422881U
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- CN
- China
- Prior art keywords
- transparent box
- magnetic induction
- induction line
- demonstration instrument
- iron filings
- 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
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Abstract
The utility model relates to a magnetic induction line demonstration instrument which is characterized in that the demonstration instrument comprises a closed transparent box, line holes and scrap iron; the line holes are arranged on the closed transparent box; the scrap iron is put in the closed transparent box; and the closed transparent box is filled with lubricating liquid. With the magnetic induction line demonstration instrument, the distribution of the magnetic field around a magnet can be demonstrated intuitively and effectively, and especially, the experiment inquiry time can be effectively shortened, the experiment inquiry efficiency can be improved, and the experiment inquiry effect can be enhanced.
Description
Technical field
The utility model relates to a kind of teaching aid, relates in particular to a kind of magnetic induction line demonstrator.
Background technology
At present, in the education activities in Middle School Physics magnetic field, utilize iron filings magnetic field demonstration distribution more intuitively, visual pattern comparatively while especially demonstrating the distribution of magnetic induction line, but in classic method, iron filings are sprinkling upon on the article such as glass plate and are used, easily cause the waste that scatters of iron filings, the arrangement effect after iron filings magnetization is also often not ideal enough, especially the clean and recovery after using is very inconvenient, a large amount of holding times.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of not only easy and simple to handle, can intuitively effectively demonstrate the distribution situation of magnet surrounding magnetic field, especially can effectively shorten the Experimental Research time, improve Experimental Research efficiency, Enhancement test is probed into the magnetic induction line demonstrator of effect.
For addressing the above problem, magnetic induction line demonstrator described in the utility model, is characterized in that: this demonstrator comprises sealing transparent box, line hole and iron filings; Described sealing transparent box is provided with described line hole; Described sealing transparent box is in-built described iron filings; In described sealing transparent box, be full of lubricating fluid.
The utility model compared with prior art has the following advantages:.
1, owing to sealing described in the utility model, transparent box is in-built described iron filings, therefore, can effectively avoid iron filings in using scatter waste and use after iron filings clean and reclaiming, thereby can effectively shorten the Experimental Research time, improve Experimental Research efficiency.
2, owing to sealing described in the utility model in transparent box, be full of lubricating fluid, therefore, can more be conducive to iron filings mobile arrangement in magnetic field, thereby Enhancement test probed into effect.
3, owing to sealing transparent box described in the utility model, be provided with described line hole, therefore, can also be for probing into as the distribution of the current fields such as energization solenoid.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
In figure: the 3-iron filings of 1-sealing transparent box 2-line hole.
Fig. 2 is the magnetic induction line distribution schematic diagram of bar-shaped magnet.
Embodiment
As shown in Figure 1, magnetic induction line demonstrator, this demonstrator comprises sealing transparent box 1, line hole 2, iron filings 3.
Described sealing transparent box 1 is provided with described line hole 2; Described sealing transparent box 1 is in-built described iron filings 3; In described sealing transparent box 1, be full of lubricating fluid.
embodiment 1the magnetic induction line of probing into bar-shaped magnet distributes.
(1) by this demonstrator up and down or left and right repeatedly put upside down and rock several times, iron filings are substantially evenly placed in sealing transparent box everywhere.
(2) this demonstrator level is placed in to bar-shaped magnet top, raps and get final product to obtain the magnetic induction line distribution of bar-shaped magnet as shown in Figure 2 for several times.
(3) if need probe in magnetic field certain any magnetic direction, only need in sealing transparent box, put small magnetic needle by correspondence position, when small magnetic needle is static, the sensing of the N utmost point is the magnetic direction of this point.
(4) if need probe into the magnetic induction line of the magnet of other shape distributes and magnetic direction, only bar shape need be changed to the magnet of required form, and repeat above-mentioned steps (1), (2), (3).
embodiment 2probe into the magnetic field of energization solenoid.
(1) bundle conductor is worn to cable-through hole and formed solenoid.
(2) up and down or left and right repeatedly put upside down and rock several times, iron filings are substantially evenly placed in sealing transparent box and are placed on horizontal stand everywhere.
(3), by solenoid place in circuit, after Closing Switch, rap and get final product for several times to such an extent that the magnetic induction line of energization solenoid distributes.
Claims (2)
1. a magnetic induction line demonstrator, is characterized in that: this demonstrator comprises sealing transparent box (1), line hole (2) and iron filings (3); Described sealing transparent box (1) is provided with described line hole (2); Described sealing transparent box (1) is in-built described iron filings (3).
2. a kind of magnetic induction line demonstrator as claimed in claim 1, is characterized in that: in described sealing transparent box (1), be full of lubricating fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320432733.3U CN203422881U (en) | 2013-07-22 | 2013-07-22 | Magnetic induction line demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320432733.3U CN203422881U (en) | 2013-07-22 | 2013-07-22 | Magnetic induction line demonstration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203422881U true CN203422881U (en) | 2014-02-05 |
Family
ID=50021973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320432733.3U Expired - Fee Related CN203422881U (en) | 2013-07-22 | 2013-07-22 | Magnetic induction line demonstration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203422881U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903657A (en) * | 2019-03-15 | 2019-06-18 | 曾思翔 | A kind of Physical Experiment magnetic field simulation device |
| CN114783255A (en) * | 2022-04-25 | 2022-07-22 | 湖北第二师范学院 | Dynamic magnetic induction line demonstration assembly and dynamic magnetic induction line demonstration device |
-
2013
- 2013-07-22 CN CN201320432733.3U patent/CN203422881U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903657A (en) * | 2019-03-15 | 2019-06-18 | 曾思翔 | A kind of Physical Experiment magnetic field simulation device |
| CN114783255A (en) * | 2022-04-25 | 2022-07-22 | 湖北第二师范学院 | Dynamic magnetic induction line demonstration assembly and dynamic magnetic induction line demonstration device |
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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: 20140205 Termination date: 20140722 |
|
| EXPY | Termination of patent right or utility model |