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A multifunctional magnetic levitation pendulum experimental device

An experimental device and magnetic levitation technology, applied in teaching models, instruments, educational appliances, etc., can solve the problems of single experimental phenomenon, single function, small scope of application, etc., and achieve the effect of simple operation, easy portability and wide application scope.

Active Publication Date: 2021-11-02
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the technical problems of simple pendulum and other experimental devices with single function, small scope of application and single experimental phenomenon in the prior art, the present invention provides the following technical solutions:

Method used

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  • A multifunctional magnetic levitation pendulum experimental device
  • A multifunctional magnetic levitation pendulum experimental device
  • A multifunctional magnetic levitation pendulum experimental device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] In order to solve the technical problem that the physical experiment device in the prior art has a small application range and increases the teaching cost, this embodiment provides a multifunctional magnetic levitation pendulum experimental device, such as figure 1 , figure 2 , image 3 , Figure 4 As shown, the bottom plate 1 is included, and the top surface of the bottom plate 1 is vertically fixed with two brackets 2, and the top of the bracket 2 is hinged with a mounting part 3; a magnet attachment plate 4 is arranged between the two brackets 2, and the two ends of the magnet attachment plate 4 They are respectively fixedly connected with the installation part 3; the top and bottom surfaces of the magnet attachment plate 4 are provided with magnet tracks 5; the magnetic levitation track above or below the magnet attachment plate 4 is provided with a superconducting block 6 (the superconducting block is placed in a plastic box inside); the superconducting block 6 ...

Embodiment 2

[0045] On the basis of embodiment 1, the experimental assembly of this embodiment is a cycloid 7, such as figure 1 As shown, a thin wire is used as the cycloid 7, and the pendulum 8 and the superconductor are connected with the thin wire. When the superconductor enters the superconducting state, it will be suspended under the magnet track 5, and the length of the cycloid 7 is measured. When the pendulum is released by external force After the hammer 8, it is seen that the pendulum 8 performs a conical pendulum motion, and at the same time drives the superconducting block 6 to run along the track under the magnet track 5. When the pendulum 8 passes through the equilibrium position, the period is obtained at last, and it is found that the calculated period is too small, which proves that the pendulum 8 performs conical pendulum motion. That is to say, the period of the simple pendulum is too small when it moves as a conical pendulum.

Embodiment 3

[0047] On the basis of the foregoing embodiments, the cycloid 7 is replaced with a light rod 9, as Figure 5 As shown, a light rod 9 is used to connect the pendulum 8 and the superconducting block 6. After the superconductor is cooled with liquid nitrogen and enters the superconducting state, it will be suspended under the magnet track 5. The pendulum length is measured. When the pendulum 8 is pushed by an external force, the pendulum The hammer 8 and the light rod 9 move together, no obvious conical pendulum phenomenon is observed, and the measured period is relatively small. The reason for the analysis is that the light rod 9 has mass.

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Abstract

The invention relates to a multifunctional magnetic levitation pendulum experimental device, which comprises a bottom plate, two brackets are fixed vertically on the top surface of the bottom plate, and a mounting part is hinged at the top of the brackets; a magnet is attached between the two brackets The two ends of the magnet attachment plate are respectively fixedly connected with the installation part; the top surface and the bottom surface of the magnet attachment plate are provided with magnet tracks; the magnetic levitation above or below the magnet attachment plate is provided with superconducting blocks; The superconducting block is connected with experimental components for doing simple pendulum experiments; the magnetic levitation pendulum experimental device provided by the present invention integrates various experimental devices, has a wider application range, is easy to carry, and reduces the need for teaching. cost, and the present invention presents complex and interesting experimental phenomena through superconducting magnetic levitation technology, which improves the interest of teaching, and has the characteristics of simple operation, easy production, entertaining and teaching.

Description

technical field [0001] The invention belongs to the technical field of physical experiment devices, and in particular relates to a multifunctional magnetic levitation pendulum experiment device. Background technique [0002] Physical experiments are a necessary means of physics teaching. Through physical experiments, students can intuitively understand various physical laws or physical phenomena and improve teaching efficiency. Experimental devices for physical experiments are necessary teaching tools in experiments. [0003] In today's physics teaching, single pendulum, single pendulum swing and Maxwell's rolling pendulum are commonly used experimental devices in physical experiments, but these experimental devices can only be used for fixed and single physical experiments, and the scope of application is small, and it increases the teaching cost. cost. [0004] Therefore, it is necessary to provide an experimental device that has a wider scope of application and is more c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/18
CPCG09B23/181
Inventor 杨万民李亚军
Owner SHAANXI NORMAL UNIV
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