Science popularization interaction device for demonstrating electromagnet principle

Abstract

The utility model discloses a science popularization interaction device for demonstrating an electromagnet principle, which comprises a display panel, a power supply, at least one piano piece, piano piece knocking structures corresponding to the piano pieces and driven by electromagnets, and interaction switches corresponding to the piano piece knocking structures, and the piano pieces, the piano piece knocking structures and the interaction switches are arranged on the display panel. The electromagnets in the piano piece knocking structures are connected with the power supply through the corresponding interactive switches, and the piano piece knocking structures knock the piano pieces when the interactive switches are closed and reset when the interactive switches are disconnected. According to the science popularization interaction device for demonstrating the electromagnet principle, demonstration of the electromagnet physical principle is combined with music, and interactivity and interestingness of a user in the process of experiencing demonstration of the electromagnetic principle are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of physics exhibition teaching tools, in particular to a popular science interactive device for demonstrating the principle of electromagnets. Background Art

[0002] At present, the popular science exhibition and teaching aids used to demonstrate the principles of electromagnets in science and technology museums and schools are usually relatively simplified, the demonstration process lacks interest, and users cannot participate in it well, which leads to the inability of users to better understand scientific principles and stimulate their interest in learning during the experience.

[0003] Therefore, there is an urgent need for a popular science interactive device that demonstrates the principle of electromagnets with better interactivity and fun. Utility Model Content

[0004] The purpose of the utility model is to provide a popular science interactive device for demonstrating the principle of electromagnets, which has better interactivity and interest, so that users can better understand scientific principles and stimulate their interest in learning during the experience.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] The utility model provides a popular science interactive device for demonstrating the principle of electromagnets, comprising:

[0007] A display panel, a power source, at least one piano piece, a piano piece striking structure driven by an electromagnet corresponding to each piano piece, and an interactive switch corresponding to each piano piece striking structure. The piano piece, the piano piece striking structure and the interactive switch are arranged on the display panel. The electromagnet in the piano piece striking structure is connected to the power source through its corresponding interactive switch. The piano piece striking structure strikes the piano piece when the interactive switch is closed, and resets when the interactive switch is opened.

[0008] Furthermore, the popular science interactive device includes a plurality of piano pieces, each of which has a different size.

[0009] Furthermore, the piano piece is arranged on the display panel through a corresponding fixing structure, and the piano piece striking structure includes:

[0010] The shaft is connected to a rotating shaft on a display panel and a swing arm fixed on the rotating shaft, two ends of the swing arm are respectively a magnetic attraction part and a striking part, a limit spring and an electromagnet are arranged on one side of the magnetic attraction part, and limit columns and a piano piece are arranged on both sides of the striking part, and the piano piece is located on the opposite side of the electromagnet, so that when the magnetic attraction part is adsorbed on the electromagnet, the swing arm rotates around the rotating shaft as the axis, driving the striking part to strike the piano piece, and when the electromagnet releases the magnetic attraction part, the limit spring pushes the magnetic attraction part to position the striking part at the limit column.

[0011] Furthermore, the popular science interactive device for demonstrating the principle of electromagnet provided by the utility model also includes:

[0012] A transparent protective cover with sound-transmitting holes is arranged above the piano piece and the piano piece striking structure.

[0013] Furthermore, the popular science interactive device for demonstrating the principle of electromagnets provided by the utility model also includes: a power indicator light and a main switch connected between the power supply and the interactive switch, the power indicator light and the main switch are located on the display panel, and the power supply is located below the display panel.

[0014] Furthermore, the popular science interactive device for demonstrating the principle of electromagnet provided by the utility model also includes: a suitcase, wherein the display panel is arranged inside one side of the suitcase body, facing the suitcase cover, and its edge is engaged with the edge of the suitcase body.

[0015] Optionally, the popular science interactive device includes 8 piano pieces, and the 8 piano pieces are arranged on the display panel in order of their musical scales.

[0016] The utility model provides a popular science interactive device for demonstrating the principle of electromagnets. It uses electromagnets to strike musical instruments, combining the demonstration of the physical principle of electromagnets with music. Users can play simple music by operating interactive switches, which increases the interactivity and fun of users in experiencing the demonstration of the principle of electromagnetism. And by striking the mechanical structure, users can clearly observe the process of the electromagnet adsorbing and releasing the magnetic suction part of the swing rod when the power is turned on and off during the demonstration, and vividly understand the principle of the electromagnet. At the same time, the demonstration structure of the device is placed in a movable and portable box, with an overall beautiful appearance and easy to carry. It can be used for mobile popular science interactive demonstrations, as well as for popular science interactive demonstrations in a fixed place, which greatly enhances the applicability of multiple scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the structure of a popular science interactive device for demonstrating the principle of an electromagnet provided by an embodiment of the utility model;

[0019] Figure 2 An electrical principle diagram of a popular science interactive device for demonstrating the principle of an electromagnet provided by an embodiment of the utility model;

[0020] Figure 3 A schematic diagram of the structure of the piano piece striking structure provided in an embodiment of the utility model;

[0021] Among them: 1. Display panel; 2. Piano piece; 3. Piano piece striking structure; 4. Interactive switch; 5. Electromagnet; 6. Fixed structure; 7. Rotating shaft; 8. Swing rod; 9. Magnetic part; 10. Striking part; 11. Limit spring; 12. Limit column; 13. Protective cover; 14. Main switch. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The purpose of the utility model is to provide a popular science interactive device for demonstrating the principle of electromagnets, so as to solve the problems existing in the prior art. The electromagnets are used to strike piano pieces, and the demonstration of the physical principle of electromagnets is combined with music, so as to increase the interactivity and interest of users in experiencing the demonstration of the principle of electromagnetism.

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0025] like Figure 1 and Figure 3 As shown: This embodiment provides a popular science interactive device for demonstrating the principle of electromagnets, and the device includes: a display panel 1, a power supply, at least one piano piece 2, a piano piece striking structure 3 driven by an electromagnet 5 corresponding to each piano piece 2, and an interactive switch 4 corresponding to each piano piece striking structure 3.

[0026] The piano piece 2, the piano piece striking structure 3 and the interactive switch 4 are arranged on the display panel 1, the electromagnet 5 in the piano piece striking structure 3 is connected to the power supply through its corresponding interactive switch 4, the piano piece striking structure 3 strikes the piano piece 2 when the interactive switch 4 is closed, and resets when the interactive switch 4 is opened. The interactive switch 4 is preferably a button or a touch switch.

[0027] Through the design of the embodiment of the utility model, the user can control the on and off of the electromagnet 5 by operating the interactive switch 4 on the display panel 1, and then strike the piano piece 2 to make a sound. At the same time, the user can intuitively observe on the display panel 1 the process of the electromagnet 5 driving the mechanical structure to strike the piano piece 2, thereby combining the demonstration of the physical principle of the electromagnet with music, thereby increasing the interactivity and fun of the user in experiencing the demonstration of the electromagnetism principle.

[0028] In one embodiment of the utility model, the popular science interactive device for demonstrating the principle of electromagnets includes a plurality of piano pieces 2, each of which has a different size. Correspondingly, a piano piece striking structure 3 and an interactive switch 4 are provided for each piano piece. Since each piano piece 2 has a different size, the sound produced by striking is also different. Users can operate different interactive switches 4 to strike different piano pieces 2, and multiple people can experience interaction together, further increasing the interactivity and fun of the user experience.

[0029] In a preferred embodiment, the popular science interactive device for demonstrating the principle of electromagnet provided by the utility model includes 8 piano pieces 2, and the 8 piano pieces 2 are arranged on the display panel 1 according to the order of their musical scales. Correspondingly, the interactive switches 4 are arranged in sequence according to the corresponding piano pieces 2. Preferably, the 8 piano pieces have the same width and thickness, and the lengths increase in sequence. Since a rich musical scale is provided, and the piano pieces 2 are arranged in order according to their musical scales, the user can play a simple piece of music by operating the interactive switch 4, making the user's experience process more interesting and the demonstration process more interactive.

[0030] Furthermore, the popular science interactive device for demonstrating the principle of electromagnet provided by the utility model further includes: a power indicator light and a main switch 14 connected between the power supply and the interactive switch 4, the power indicator light (not shown in the figure) and the main switch 14 are located on the display panel 1, and the power supply is located below the display panel 1. The power supply can be a battery power supply or an external power supply. Figure 2 The electrical schematic diagram of the popular science interactive device for demonstrating the principle of electromagnets is shown in the figure. The positive pole of the output end of the switching power supply PW is connected to one end of the main switch SH. The other end of the main switch SH is respectively connected to one end of the interactive switches SB1, SB2 to SB8 and the power indicator light. The other ends of the interactive switches SB1, SB2 to SB8 are respectively connected in series with one end of the corresponding electromagnets YA1, YA2 to YA8. The other ends of the electromagnets YA1, YA2 to YA8 and the power indicator light are respectively connected to the negative pole of the output end of the switching power supply PW. The input end of the switching power supply PW is connected to the live and neutral wires through the start button QA.

[0031] Further, in one embodiment of the present invention, if Figure 1 and Figure 3As shown, the piano piece striking structure 3 specifically includes: a rotating shaft 7 axially connected to the display panel 1 and a swing rod 8 fixed on the rotating shaft 7, the middle part of the swing rod 8 is fixed to the rotating shaft 7, the two ends of the swing rod 8 are respectively a magnetic attraction part 9 and a striking part 10, a limit spring 11 and an electromagnet 5 are arranged on one side of the magnetic attraction part 9, the limit spring 11 is connected to one end of the magnetic attraction part 9 of the swing rod 8, and a limit column 12 and a piano piece 2 are arranged on both sides of the striking part 10, and the piano piece 2 is located on the opposite side of the electromagnet 5. The side of the piano piece 2 is downwardly arranged on the display panel 1 through the corresponding fixing structure 6. When the magnetic attraction part 9 is adsorbed on the electromagnet 5, the swing rod 8 rotates with the rotating shaft 7 as the axis, driving the striking part 10 to strike the piano piece 2, and when the electromagnet 5 releases the magnetic attraction part 9, the limit spring 11 pushes the magnetic attraction part 9, and the swing rod 8 rotates to position the striking part 10 at the limit column 12. Through the above mechanical structure, the user can clearly observe the process of the electromagnet adsorbing and releasing the magnetic attraction part of the swing rod when the power is turned on and off during the demonstration, and vividly understand the principle of the electromagnet.

[0032] Furthermore, the popular science interactive device for demonstrating the principle of electromagnet provided by the utility model further includes: a transparent protective cover 13 with a sound-transmitting hole, which is arranged above the piano piece 2 and the piano piece striking structure 3. The protective cover prevents the user from accidentally touching the internal structure, thereby increasing the service life of the device and ensuring the user's safety in use, and the sound-transmitting hole can well conduct the sound of the internal piano piece.

[0033] In a preferred embodiment, the popular science interactive device for demonstrating the principle of electromagnet provided by the utility model further includes: a suitcase, the display panel is arranged inside one side of the suitcase body, facing the suitcase lid, and its edge is engaged with the edge of the case body. When in use, the suitcase is laid flat, and the lid is opened to present the display panel for use. The demonstration structure of the device is placed in a movable and portable case, and the overall appearance is beautiful and easy to carry. It can be used for both mobile popular science interactive demonstrations and popular science interactive demonstrations in a fixed place, which greatly enhances the applicability of multiple scenarios.

[0034] The utility model provides a popular science interactive device for demonstrating the principle of electromagnets. It uses electromagnets to strike musical instruments, combining the demonstration of the physical principle of electromagnets with music. Users can play simple music by operating interactive switches, which increases the interactivity and fun of users in experiencing the demonstration of the principle of electromagnetism. And by striking the mechanical structure, users can clearly observe the process of the electromagnet adsorbing and releasing the magnetic suction part of the swing rod when the power is turned on and off during the demonstration, and vividly understand the principle of the electromagnet. At the same time, the demonstration structure of the device is placed in a movable and portable box, with an overall beautiful appearance and easy to carry. It can be used for mobile popular science interactive demonstrations, as well as for popular science interactive demonstrations in a fixed place, which greatly enhances the applicability of multiple scenarios.

[0035] This specification uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core idea of ​​the utility model. At the same time, for those skilled in the art, according to the idea of ​​the utility model, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the utility model.

Claims

1. A popular science interactive device for demonstrating the principle of electromagnets, characterized in that: include: A display panel, a power source, at least one piano piece, a piano piece striking structure driven by an electromagnet corresponding to each piano piece, and an interactive switch corresponding to each piano piece striking structure. The piano piece, the piano piece striking structure and the interactive switch are arranged on the display panel, the electromagnet in the piano piece striking structure is connected to the power source through the corresponding interactive switch, and the piano piece striking structure strikes the piano piece when the interactive switch is closed, and resets when the interactive switch is opened.

2. The popular science interactive device for demonstrating the principle of electromagnet according to claim 1, characterized in that: The popular science interactive device comprises a plurality of piano pieces, each of which has a different size.

3. The popular science interactive device for demonstrating the principle of electromagnet according to claim 1, characterized in that: The piano piece is arranged on the display panel through a corresponding fixing structure, and the piano piece striking structure includes: The shaft is connected to a rotating shaft on the display panel and a swing rod fixed on the rotating shaft, two ends of the swing rod are respectively a magnetic attraction part and a knocking part, a limit spring and the electromagnet are arranged on one side of the magnetic attraction part, and limit columns and the piano piece are arranged on both sides of the knocking part, and the piano piece is located on the opposite side of the electromagnet, so that when the magnetic attraction part is adsorbed on the electromagnet, the swing rod rotates with the rotating shaft as the axis, driving the knocking part to knock the piano piece, and when the electromagnet releases the magnetic attraction part, the limit spring pushes the magnetic attraction part to position the knocking part at the limit column.

4. The popular science interactive device for demonstrating the principle of electromagnet according to claim 1, characterized in that: Also includes: A transparent protective cover with sound-transmitting holes is arranged above the piano piece and the piano piece striking structure.

5. The popular science interactive device for demonstrating the principle of electromagnet according to claim 1, characterized in that: Also includes: A power indicator light and a main switch connected between the power source and the interactive switch, the power indicator light and the main switch are located on the display panel, and the power source is located below the display panel.

6. The popular science interactive device for demonstrating the principle of electromagnet according to claim 1, characterized in that: Also includes: The display panel is arranged in one side of the suitcase body, facing the cover of the suitcase, and its edge is engaged with the edge of the suitcase body.

7. The popular science interactive device for demonstrating the principle of electromagnet according to claim 2, characterized in that: The popular science interactive device comprises eight piano pieces, and the eight piano pieces are arranged on the display panel in the order of their musical scales.

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