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Hollow metal ball electric field line visual display device

A display device and technology of electric field lines, which are applied in the field of hollow metal sphere electric field line visualization display devices, can solve the problems that the influence of electric field lines cannot be specifically displayed, the electric field cannot be directly observed, and the spatial distribution of electric field lines cannot be fully displayed.

Pending Publication Date: 2021-12-28
HUZHOU TEACHERS COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Different from real objects, although the electric field exists objectively, the electric field cannot be directly observed
Therefore, when teaching, teachers can only let students understand the electric field by drawing electric field lines or animations, and drawing electric field lines or animations is often the distribution of electric field lines on a two-dimensional plane, which cannot fully display the space of electric field lines distribution, and it is impossible to specifically show the influence of voltage, distance, etc. on the state of electric field lines

Method used

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  • Hollow metal ball electric field line visual display device
  • Hollow metal ball electric field line visual display device

Examples

Experimental program
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Embodiment 1

[0023] In this embodiment, a hollow metal sphere electric field line visualization display device, such as figure 1 As shown, it includes a charge generating device, a hollow metal sphere 1, a ribbon, a translation device, a substrate 2, a transparent cover, a drying device 3 and an expansion interface. The hollow metal sphere 1 is arranged on the translation device, and the ribbons are distributed on the hollow metal sphere. 1 surface, the charge generating device, the translation device, the drying device and the expansion interface are all arranged on the substrate. The transparent cover and the substrate form a closed space, and the charge generating device, the hollow metal sphere and the translation device are all located on the corresponding substrate in the closed space.

[0024] In this embodiment, there are two charge generating devices, and correspondingly, two translation devices and hollow metal spheres are also provided. One charge generation device, one translat...

Embodiment 2

[0034] This embodiment is a hollow metal spherical electric field line visualization display device, which is different from Embodiment 1 in that this embodiment is provided with three electrode units, that is, three charge generating devices, three translation devices and three hollow electrode units are provided. Metal spheres, three electrode units are distributed in a ring, and any two adjacent motor units are at an angle of 120 degrees, which can display the distribution of electric field lines when multiple electrodes are used.

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Abstract

The invention relates to a hollow metal ball electric field line visual display device, which comprises at least two charge generation devices used for generating positive and negative charges; hollow metal ball bodies arranged corresponding to the charge generation devices and used for collecting the charges generated by the charge generation devices and generating an electric field; ribbons arranged on the surfaces of the hollow metal ball bodies, floating along the electric field line when being electrified and used for displaying the electric field line; and a translation device used for adjusting the distance between the hollow metal ball bodies. The device has the advantages that the distribution of the electric field can be visually and stereoscopically displayed through the ribbons, and a physical theory model is verified; the distance between the hollow metal balls, the charge quantity and the polarity can be adjusted, and the visual display of the coupling electric field under different parameters is realized; and charges are generated according to the principle of triboelectricity, and the hollow metal balls carry the charges by using the acting force between the charges, so that the understanding of students on the acting force between triboelectricity and the charges can be deepened.

Description

technical field [0001] The invention relates to the field of physical experiment devices, in particular to a hollow metal sphere electric field line visualization display device. Background technique [0002] Electric field is an important part of physics, and electric field is also a relatively abstract concept. Different from real objects, although the electric field exists objectively, the electric field cannot be directly observed. Therefore, when teaching, teachers can only let students understand the electric field by drawing electric field lines or animations, and drawing electric field lines or animations is often the distribution of electric field lines on a two-dimensional plane, which cannot fully display the space of electric field lines distribution, and it is impossible to specifically show the influence of voltage, distance, etc. on the state of electric field lines. Contents of the invention [0003] The present invention mainly solves the above problems,...

Claims

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Application Information

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IPC IPC(8): G09B23/18
CPCG09B23/18
Inventor 王欣悦赵梅蒋慧敏张秋月高雪刘兆亮
Owner HUZHOU TEACHERS COLLEGE
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