CN111243401A - Electromagnetic induction operation platform for physics teaching - Google Patents
Electromagnetic induction operation platform for physics teaching Download PDFInfo
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- CN111243401A CN111243401A CN201811443273.8A CN201811443273A CN111243401A CN 111243401 A CN111243401 A CN 111243401A CN 201811443273 A CN201811443273 A CN 201811443273A CN 111243401 A CN111243401 A CN 111243401A
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- electromagnetic induction
- metal wire
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- physics teaching
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/181—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for electric and magnetic fields; for voltages; for currents
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Abstract
The invention provides an electromagnetic induction operating platform for physics teaching, which enables an electromagnetic induction field to be visual and clear and is beneficial to improving the learning interest of students. An electromagnetic induction operating platform for physics teaching comprises a fixed part, a cutting part, a display and a DIY metal wire plate; the fixing part comprises a fixing part supporting device and a magnet bracket which are fixedly connected with the wall; the cutting part comprises a power driving mechanism, a moving track is arranged on the power driving mechanism, the lower end of the supporting rod is embedded into a groove of the moving track, a clamping part is arranged at the upper end of the supporting rod, and a current sensor is further arranged on the clamping part; the current sensor is in communication connection with the display. The invention has the characteristics of intuition, interest and the like, and has obvious effect of improving the learning interest of students.
Description
Technical Field
The invention relates to teaching equipment, in particular to an electromagnetic induction operating platform for physical teaching.
Background
Electromagnetic induction phenomenon refers to a conductor placed in a changing magnetic flux, which generates an electromotive force. The electromotive force is called induced electromotive force or induced electromotive force, and when the conductor is closed into a loop, the electromotive force drives electrons to flow, so that an induced current is formed. The discovery of the electromagnetic induction phenomenon is one of the greatest achievements in the field of electromagnetism. The method not only reveals the internal relation between electricity and magnetism, but also lays an experimental foundation for the mutual conversion between electricity and magnetism, opens up a road for human to obtain huge and cheap electric energy, and has great significance in practical use. The discovery of the phenomenon of electromagnetic induction has marked the arrival of a significant industrial and technical revolution. The wide application of electromagnetic induction in electricians, electronic technology, electrification and automation has proved to play an important role in promoting social productivity and the development of scientific technology.
In the physical teaching, electromagnetic induction is one of very important contents, and in the traditional teaching, the contents are described orally by teachers and in books, so that students can understand the contents more abstractly, and the learning difficulty is increased. At present, the electromagnetic induction teaching equipment on the market includes coil former and handle, the winding has the wire on the coil former, the one end of handle is equipped with the strong magnet, the coil former is equipped with the through-hole along the axial, two parallelly connected emitting diode in both ends of wire on the coil former, two emitting diode reverse parallel, the user of holding the handle makes a round trip to alternate the back along the through-hole, and the magnetic induction line in the coil is made a round trip to cut, and the electric current that makes a round trip to cut the production makes a round trip to pass through parallelly connected emitting diode after, the user just observes emitting diode and makes a round trip bright. However, although the electromagnetic induction teaching equipment can visually observe the electromagnetic induction phenomenon, students cannot design experiments by themselves, and the electromagnetic induction teaching equipment has certain limitations, cannot give full play to the subjective imagination of the students, and cannot fully exercise the practical ability of the students. Therefore, how to design an experimental platform with certain creativity enables students to understand the phenomenon and principle of electromagnetic induction deeply, and the technical problem to be solved urgently is to improve the learning interest and learning efficiency of the students.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the electromagnetic induction operating platform for physical teaching, so that the electromagnetic induction phenomenon is visual and clear, and the learning interest of students is favorably improved.
In order to achieve the purpose, the invention provides the following technical scheme:
an electromagnetic induction operation platform for physics teaching comprises a fixed part (2), a cutting part (1) and a display (3);
the fixing part (2) comprises a fixing part supporting device (23) fixedly connected with a wall body and a magnet bracket (21) fixedly connected with the fixing part supporting device (23);
the cutting part (1) comprises a power driving mechanism (11), a groove is formed in the power driving mechanism, the groove is a movable rail (12), the lower end of the supporting rod (13) is embedded into the groove of the movable rail (12), a clamping part (14) is arranged at the upper end of the supporting rod, and a current sensor (15) is further arranged on the clamping part (14);
the current sensor is in communication connection with the display (3).
Further, the DIY metal wire board (3) is further provided, the metal wire board (3) comprises a prefabricated metal wire bottom board (43), and a plurality of light-emitting diodes (41) and binding posts (42) are fixed on the prefabricated metal wire bottom board (43); the two poles of the light-emitting diode (41) in the prefabricated metal wire bottom plate (43) are respectively and electrically connected with the adjacent binding posts on the two sides of the light-emitting diode.
Further, the magnet support (21) is of a long plate type, and magnet clamping grooves (22) are formed in two opposite sides or four edges of the long plate.
Further, the height of the supporting rod (13) is adjustable.
Further, the moving speed of the power driving mechanism (11) can be adjusted.
Furthermore, students can select magnets with different shapes and lengths to be respectively placed on two sides of the magnet clamping groove (22), and the length and the thickness of the metal wire plate (3) are designed; the height of the supporting rod (13) is selected independently, an electromagnetic induction experiment is designed, and an electromagnetic induction rule is discovered and verified. Along with the power driving mechanism (11) driving the supporting rod (13) to move, students design the metal wire of the metal wire plate (3) to cut the magnetic induction lines to generate current, and the light-emitting diodes (41) shine; the current inductor (8) has a larger reading. Along with the difference of distance from the magnet, the light-emitting diode (41) changes in brightness, the readings of the current inductor also change regularly, and the electromagnetic induction phenomenon is deeply understood by students.
Furthermore, the power driving mechanism (11) is a motor and adopts a stepless speed regulator.
Further, when the wire plate (3) is clamped in the clamping portion (14), the wire is electrically connected with the current sensor (15).
The invention has the beneficial effects that:
the invention has the characteristics of intuition, interest and the like, and has obvious effect of improving the learning interest of students.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of an electromagnetic induction operating platform for physics teaching;
fig. 2 is a DIY ready wire board.
The reference numerals are explained below:
1. a cutting section; 2. a fixed part; 3. a display; 4. a wire plate; 11. a power drive mechanism; 12. a moving track; 13. a support bar; 14. a clamping portion; 15. a current sensor; 21. a magnet holder; 22. a magnet clamping groove; 23. a fixed part supporting device; 41. a light emitting diode; 42. a binding post; 43. and prefabricating the metal wire bottom plate.
Detailed Description
The invention is further described below with reference to the following figures and examples: FIG. 1 is a schematic diagram of an electromagnetic induction operating platform for physics teaching; fig. 2 is a DIY ready wire board.
Example 1
The present invention will be further described with reference to the accompanying drawings, which are intended to illustrate the scope of application and the operation of the device of the present invention, and not to limit the application of the related art to the invention in any way, and any derivative technology based on the technical principle of the device of the present invention shall be protected by the present invention.
As shown in fig. 1 and 2, an electromagnetic induction operation platform for physics teaching comprises a fixing part (2), a cutting part (1) and a display (3);
the fixing part (2) comprises a fixing part supporting device (23) fixedly connected with a wall body and a magnet support (21) fixedly connected with the fixing part supporting device (23), the magnet support (21) is of a long plate type, and magnet clamping grooves (22) are formed in two opposite sides or four sides of the long plate;
the cutting part (1) comprises a power driving mechanism (11), a groove is formed in the power driving mechanism, the groove is a movable rail (12), the lower end of the supporting rod (13) is embedded into the groove of the movable rail (12), a clamping part (14) is arranged at the upper end of the supporting rod, and a current sensor (15) is further arranged on the clamping part (14);
the current sensor is in communication connection with the display (3).
The scheme of the invention also comprises a DIY metal wire board (3), wherein the metal wire board (3) comprises a prefabricated metal wire bottom board (43), and a plurality of light-emitting diodes (41) and binding posts (42) are fixed on the prefabricated metal wire bottom board (43); the two poles of the light-emitting diode (41) in the prefabricated metal wire bottom plate (43) are respectively and electrically connected with the adjacent binding posts on the two sides of the light-emitting diode.
The height of the supporting rod (13) is adjustable;
the moving speed of the power driving mechanism (11) is adjustable;
when the metal wire plate (3) is clamped in the clamping part (14), the metal wire is electrically connected with the current sensor (15).
Students can select magnets with different shapes and lengths to be respectively placed on two sides of the magnet clamping groove (22), and the length and the thickness of the metal wire plate (3) are designed; the height of the supporting rod (13) is selected independently, an electromagnetic induction experiment is designed, and an electromagnetic induction rule is discovered and verified. Along with the power driving mechanism (11) driving the supporting rod (13) to move, students design the metal wire of the metal wire plate (3) to cut the magnetic induction lines to generate current, and the light-emitting diodes (41) shine; the current inductor (8) has a larger reading. Along with the difference of distance from the magnet, the light-emitting diode (41) changes in brightness, the readings of the current inductor also change regularly, and the electromagnetic induction phenomenon is deeply understood by students.
The power driving mechanism (11) is a motor and adopts a stepless speed regulator.
The invention has the beneficial effects that:
the invention has the characteristics of intuition, interest and the like, and has obvious effect of improving the learning interest of students.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides an electromagnetic induction operation platform for physical teaching which characterized in that: comprises a fixed part (2), a cutting part (1) and a display (3);
the fixing part (2) comprises a fixing part supporting device (23) fixedly connected with a wall body and a magnet bracket (21) fixedly connected with the fixing part supporting device (23);
the cutting part (1) comprises a power driving mechanism (11), a groove is formed in the power driving mechanism, the groove is a movable rail (12), the lower end of the supporting rod (13) is embedded into the groove of the movable rail (12), a clamping part (14) is arranged at the upper end of the supporting rod, and a current sensor (15) is further arranged on the clamping part (14);
the current sensor is in communication connection with the display (3).
2. The electromagnetic induction operation platform for physics teaching of claim 1, wherein: the DIY metal wire board (3) is further included, the metal wire board (3) comprises a prefabricated metal wire bottom board (43), and a plurality of light-emitting diodes (41) and wiring terminals (42) are fixed on the prefabricated metal wire bottom board (43); the two poles of the light-emitting diode (41) in the prefabricated metal wire bottom plate (43) are respectively and electrically connected with the adjacent binding posts on the two sides of the light-emitting diode.
3. The electromagnetic induction operation platform for physics teaching of claim 2, wherein: the magnet support (21) is of a long plate type, and magnet clamping grooves (22) are formed in two opposite sides or four edges of the long plate.
4. The electromagnetic induction operation platform for physics teaching of claim 3, wherein: the height of the supporting rod (13) can be adjusted.
5. The electromagnetic induction operation platform for physics teaching of claim 4, wherein: the moving speed of the power driving mechanism (11) can be adjusted.
6. The electromagnetic induction operation platform for physics teaching of claim 5, wherein: when the metal wire plate (3) is clamped in the clamping part (14), the metal wire is electrically connected with the current sensor (15).
7. The electromagnetic induction operation platform for physics teaching according to any one of claims 3-6, wherein: the students can select magnets with different shapes and lengths to be respectively placed on two sides of the magnet clamping groove (22), and the length and the thickness of the metal wire plate (3) are designed; the height of the supporting rod (13) is selected independently, an electromagnetic induction experiment is designed, and an electromagnetic induction rule is discovered and verified. Along with the power driving mechanism (11) driving the supporting rod (13) to move, students design the metal wire of the metal wire plate (3) to cut the magnetic induction lines to generate current, and the light-emitting diodes (41) shine; the current inductor (8) has a larger reading. Along with the difference of the distance from the magnet, the light and shade of the light-emitting diode (41) are changed, and the reading of the current inductor is changed regularly.
8. The electromagnetic induction operation platform for physics teaching of claim 7, wherein: the power driving mechanism (11) is a motor and adopts a stepless speed regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811443273.8A CN111243401A (en) | 2018-11-29 | 2018-11-29 | Electromagnetic induction operation platform for physics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811443273.8A CN111243401A (en) | 2018-11-29 | 2018-11-29 | Electromagnetic induction operation platform for physics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111243401A true CN111243401A (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811443273.8A Pending CN111243401A (en) | 2018-11-29 | 2018-11-29 | Electromagnetic induction operation platform for physics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111243401A (en) |
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2018
- 2018-11-29 CN CN201811443273.8A patent/CN111243401A/en active Pending
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Application publication date: 20200605 |
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| WD01 | Invention patent application deemed withdrawn after publication |