CN204423773U - A kind of teaching aid being convenient to impart knowledge to students - Google Patents
A kind of teaching aid being convenient to impart knowledge to students Download PDFInfo
- Publication number
- CN204423773U CN204423773U CN201520098908.0U CN201520098908U CN204423773U CN 204423773 U CN204423773 U CN 204423773U CN 201520098908 U CN201520098908 U CN 201520098908U CN 204423773 U CN204423773 U CN 204423773U
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- electromagnetic induction
- pole magnet
- pair
- bulb
- insulation
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Abstract
The utility model discloses a kind of teaching aid being convenient to impart knowledge to students, comprise electromagnetic induction frame, N pole magnet, S pole magnet, many guide rails, a pair fixed mount, magnetic induction line displaying case, iron powder, cutting conductor, a pair insulation linking springs, a pair insulation embed ball, connect wire, switch, bulb and amp gauge; N pole magnet and S pole magnet are located in electromagnetic induction frame, and guide rail is located in electromagnetic induction frame, and fixed mount, magnetic induction line displaying case are located on electromagnetic induction frame, and iron powder is located in magnetic induction line displaying case; Cutting conductor connects insulation by insulation linking springs and embeds ball, and insulation embeds ball and is embedded in guide rail; Cutting conductor is connected with switch by connecting wire, and switch is connected with bulb by connecting wire, and bulb connects into loop by connecting wire with cutting conductor, and amp gauge is in parallel with bulb by connecting wire.Invisible magnetic induction line and the tangible student that is presented to of electric current can be seen by the utility model, are convenient to student and better understand the law of electromagnetic induction, be conducive to teaching.
Description
Technical field
The utility model relates to a kind of teaching aid, particularly relates to a kind of teaching aid being convenient to impart knowledge to students.
Background technology
The law of electromagnetic induction is a class of outbalance in teaching, conductor cutting magnetic induction line meeting generation current, and the cutting angle of conductor is different with cutting area, the size of current produced is also all different, because these magnetic induction line, electric currents etc. cannot directly visually see, allow students be difficult to understand, bring difficulty to the teaching of teacher.
Utility model content
The purpose of this utility model: provide a kind of teaching aid being convenient to impart knowledge to students, energy demonstrating electromagnetic induction law, is convenient to the teaching of teacher.
To achieve these goals, the technical solution of the utility model is:
Be convenient to a teaching aid of imparting knowledge to students, comprise electromagnetic induction frame, N pole magnet, S pole magnet, many guide rails, a pair fixed mount, magnetic induction line displaying case, iron powder, cutting conductor, a pair insulation linking springs, a pair insulation embed ball, connect wire, switch, bulb and amp gauge; Described electromagnetic induction frame is the frame-shaped construction of front-end and back-end opening, the both sides central authorities of described electromagnetic induction frame are respectively equipped with inlaid hole, described N pole magnet and S pole magnet are separately positioned in the inlaid hole of described electromagnetic induction frame, and described N pole magnet and described S pole magnet are oppositely arranged; Many described guide rails are disposed on the inwall of described electromagnetic induction frame respectively, be positioned at top and the below of described N pole magnet and S pole magnet, many described guide rails extend to the rear end of described electromagnetic induction frame from the front end of described electromagnetic induction frame; A pair described fixed mount is vertically set on the both sides, top of described electromagnetic induction frame respectively, described magnetic induction line displaying case is arranged on described electromagnetic induction frame, between a pair described fixed mount, described iron powder is arranged in described magnetic induction line displaying case; One end of a pair described insulation linking springs is connected to the two ends of described cutting conductor, the other end of described a pair insulation linking springs embeds that ball is corresponding to be connected respectively with a pair described insulation, a pair described insulation embeds ball and is embedded in many described guide rails respectively, and described cutting conductor moves between described N pole magnet and described S pole magnet along many described guide rails; One end of described cutting conductor is connected with one end of described switch by described connection wire, the other end of described switch is connected with one end of described bulb by described connection wire, the other end of described bulb connects into loop by the other end of described connection wire and described cutting conductor, and described amp gauge is in parallel with described bulb by described connection wire.
The above-mentioned teaching aid being convenient to impart knowledge to students, wherein, the bottom of described electromagnetic induction frame is provided with inspection box, and described switch, bulb and amp gauge are positioned at described inspection box.
The above-mentioned teaching aid being convenient to impart knowledge to students, wherein, the inwall of described inspection box is equipped with black background cloth, described black background cloth is centered around around described bulb.
The above-mentioned teaching aid being convenient to impart knowledge to students, wherein, described cutting conductor is provided with pulling rope, and one end of described pulling rope is connected to the central authorities of described cutting conductor.
The above-mentioned teaching aid being convenient to impart knowledge to students, wherein, described electromagnetic induction frame is provided with oblique braces, and the two ends of described oblique braces are connected on a pair described fixed mount.
Invisible magnetic induction line and the tangible student that is presented to of electric current can be seen by the utility model, are convenient to student and better understand the law of electromagnetic induction, be conducive to physics teaching.
Accompanying drawing explanation
Fig. 1 is a kind of front view being convenient to the teaching aid of imparting knowledge to students of the utility model.
Fig. 2 is a kind of side view being convenient to the side inwall of the electromagnetic induction frame of the teaching aid of imparting knowledge to students of the utility model.
Embodiment
Embodiment of the present utility model is further illustrated below in conjunction with accompanying drawing.
Refer to shown in accompanying drawing 1 and accompanying drawing 2, be convenient to a teaching aid of imparting knowledge to students, comprise electromagnetic induction frame 1, N pole magnet 2, S pole magnet 3, many guide rails 4, a pair fixed mount 5, magnetic induction line displaying case 6, iron powder 7, cutting conductor 8, a pair insulation linking springs 9, a pair insulation embed ball 10, connect wire 11, switch 12, bulb 13 and amp gauge 14; Described electromagnetic induction frame 1 is the frame-shaped construction of front-end and back-end opening, the both sides central authorities of described electromagnetic induction frame 1 are respectively equipped with inlaid hole 15, described N pole magnet 2 and S pole magnet 3 are separately positioned in the inlaid hole 15 of described electromagnetic induction frame 1, and described N pole magnet 2 is oppositely arranged with described S pole magnet 3; Described many guide rails 4 are disposed on the inwall of described electromagnetic induction frame 1 respectively, be positioned at top and the below of described N pole magnet 2 and S pole magnet 3, described many guide rails 4 extend to the rear end of described electromagnetic induction frame 1 from the front end of described electromagnetic induction frame 1; Described a pair fixed mount 5 is vertically set on the both sides, top of described electromagnetic induction frame 1 respectively, described magnetic induction line displaying case 6 is arranged on described electromagnetic induction frame 1, between described a pair fixed mount 5, described iron powder 7 is arranged in described magnetic induction line displaying case 6; One end of a pair described insulation linking springs 9 is connected to the two ends of described cutting conductor 8, the other end of described a pair insulation linking springs 9 embeds that ball 10 is corresponding to be connected respectively with a pair described insulation, a pair described insulation embeds ball 10 and is embedded in described many guide rails 4 respectively, and described cutting conductor 8 moves between described N pole magnet 2 and described S pole magnet 3 along described many guide rails 4; One end of described cutting conductor 8 is connected by described connection wire 11 one end with described switch 12, the other end of described switch 12 is connected by described connection wire 11 one end with described bulb 13, the other end of described bulb 13 connects into loop by described connection wire 11 with the other end of described cutting conductor 8, and described amp gauge 14 is in parallel with described bulb 13 by described connection wire 11.
The bottom of described electromagnetic induction frame 1 is provided with inspection box 16, and described switch 12, bulb 13 and amp gauge 14 are positioned at described inspection box 16, are easy to carry and store.
The inwall of described inspection box 16 is equipped with black background cloth 17, and described black background cloth 17 is centered around around described bulb 13, is convenient to the brightness change observing bulb 13, thus understands the size of current through bulb 13.
Described cutting conductor 8 is provided with pulling rope 18, and one end of described pulling rope 18 is connected to the central authorities of described cutting conductor 8, pulls cutting conductor 8 by pulling rope 18, is convenient to the moving direction and the translational speed that control cutting conductor 8.
Described electromagnetic induction frame 1 is provided with oblique braces 19, and the two ends of described oblique braces 19 are connected on described a pair fixed mount 5, are convenient to of the present utility model carrying.
When demonstrating electromagnetic induction law, N pole magnet 2 and S pole magnet 3 are placed on the both sides of electromagnetic induction frame 1 by teacher, magnetic induction line displaying case 6 is placed between N pole magnet 2 and S pole magnet 3, the distribution of magnetic induction line can be shown by the iron powder 7 in magnetic induction line displaying case 6, allow student have a vivid understanding; Cutting conductor 8 embeds ball 10 by insulation and is arranged between guide rail 4, the angle of inclination of cutting conductor 8 adjusts by different guide rails 4, the angle of inclination of cutting conductor 8 determines the size of cutting area, thus determine the faradic size of generation, allow student understand cutting area and the relation that changes of induction current; Insulation linking springs 9 can guarantee that cutting conductor 8 is stabilized between two guide rails 4 of different spacing, and plays the effect of insulation, and when cutting conductor 8 and moving cutting magnetic induction line, open switch 12, bulb 13 and amp gauge 14 are according to faradic size variation.
In sum, invisible magnetic induction line and the tangible student that is presented to of electric current can be seen by the utility model, are convenient to student and better understand the law of electromagnetic induction, be conducive to teaching.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure transformation utilizing the utility model description to do; or directly or indirectly use the technical field being attached to other Related products, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. be convenient to a teaching aid of imparting knowledge to students, it is characterized in that: comprise electromagnetic induction frame, N pole magnet, S pole magnet, many guide rails, a pair fixed mount, magnetic induction line displaying case, iron powder, cutting conductor, a pair insulation linking springs, a pair insulation embed ball, connect wire, switch, bulb and amp gauge; Described electromagnetic induction frame is the frame-shaped construction of front-end and back-end opening, the both sides central authorities of described electromagnetic induction frame are respectively equipped with inlaid hole, described N pole magnet and S pole magnet are separately positioned in the inlaid hole of described electromagnetic induction frame, and described N pole magnet and described S pole magnet are oppositely arranged; Many described guide rails are disposed on the inwall of described electromagnetic induction frame respectively, be positioned at top and the below of described N pole magnet and S pole magnet, many described guide rails extend to the rear end of described electromagnetic induction frame from the front end of described electromagnetic induction frame; A pair described fixed mount is vertically set on the both sides, top of described electromagnetic induction frame respectively, described magnetic induction line displaying case is arranged on described electromagnetic induction frame, between a pair described fixed mount, described iron powder is arranged in described magnetic induction line displaying case; One end of a pair described insulation linking springs is connected to the two ends of described cutting conductor, the other end of described a pair insulation linking springs embeds that ball is corresponding to be connected respectively with a pair described insulation, a pair described insulation embeds ball and is embedded in many described guide rails respectively, and described cutting conductor moves between described N pole magnet and described S pole magnet along many described guide rails; One end of described cutting conductor is connected with one end of described switch by described connection wire, the other end of described switch is connected with one end of described bulb by described connection wire, the other end of described bulb connects into loop by the other end of described connection wire and described cutting conductor, and described amp gauge is in parallel with described bulb by described connection wire.
2. the teaching aid being convenient to impart knowledge to students according to claim 1, is characterized in that: the bottom of described electromagnetic induction frame is provided with inspection box, and described switch, bulb and amp gauge are positioned at described inspection box.
3. the teaching aid being convenient to impart knowledge to students according to claim 2, it is characterized in that: the inwall of described inspection box is equipped with black background cloth, described black background cloth is centered around around described bulb.
4. the teaching aid being convenient to impart knowledge to students according to claim 1, it is characterized in that: described cutting conductor is provided with pulling rope, one end of described pulling rope is connected to the central authorities of described cutting conductor.
5. the teaching aid being convenient to impart knowledge to students according to claim 1, it is characterized in that: described electromagnetic induction frame is provided with oblique braces, the two ends of described oblique braces are connected on a pair described fixed mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520098908.0U CN204423773U (en) | 2015-02-12 | 2015-02-12 | A kind of teaching aid being convenient to impart knowledge to students |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520098908.0U CN204423773U (en) | 2015-02-12 | 2015-02-12 | A kind of teaching aid being convenient to impart knowledge to students |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204423773U true CN204423773U (en) | 2015-06-24 |
Family
ID=53474123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520098908.0U Expired - Fee Related CN204423773U (en) | 2015-02-12 | 2015-02-12 | A kind of teaching aid being convenient to impart knowledge to students |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204423773U (en) |
-
2015
- 2015-02-12 CN CN201520098908.0U patent/CN204423773U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20160212 |