Multi-functional electrostatics experimental facility

An experimental device and electrostatic technology, applied in the field of multi-functional electrostatics experimental devices, can solve the problem of inability to observe the trajectory of electrons intuitively, and achieve the effects of simple production, easy acquisition of materials, and improved interest in learning.

Inactive Publication Date: 2013-05-22
SOUTHWEST UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although cathode ray tubes, electrostatic deflection oscilloscopes and other instruments can demonstrate the deflection of the electron beam emitted by the cathode under the action of the electric field force, they ...

Method used

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  • Multi-functional electrostatics experimental facility
  • Multi-functional electrostatics experimental facility
  • Multi-functional electrostatics experimental facility

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Embodiment Construction

[0019] Hereinafter, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0020] Such as figure 1 As shown, the present invention provides a multifunctional electrostatic experiment device, which includes a power source 1, a first electrode plate 51, a second electrode plate 52, a controllable device 8, a light source 7, a housing 6 and a support 3. The first electrode plate 51 and the second electrode plate 52 are connected to the power supply 1 through wires; the controllable device 8 is connected to one pole of the power supply 5, which can continuously provide charged particles, and the charged particles can move in the electric field to form a clearly visible movement The trajectory, the position of the controllable device 8 is variable and the velocity of the charged particles is variable. The shell forms a closed environment to protect the movement of charged particles from external influences. The tw...

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Abstract

The invention discloses a multi-functional electrostatics experimental facility. The multi-functional electrostatics experimental facility includes a power supply, a controllable device, a first electrode plate, a second electrode plate and a casing, wherein the first electrode plate and the second electrode plate are connected with the power supply through wires and fixed on a support, the controllable device is used for providing uninterrupted charge particles, the charge particles can move in an electric field and form clearly seen motion tracks, the casing forms a closed environment so that the motion of the charge particles is not affected by the outside, and the power supply is an induction generator or a high voltage power supply. The multi-functional electrostatics experimental facility vividly and intuitively proves the existence of electric field forces and enables people to observe the motion and variation tracks of the charge particles in a uniform electric field.

Description

Technical field [0001] The invention belongs to an experimental device, in particular to a multifunctional electrostatic experimental device capable of demonstrating the movement law of charged particles in an electric field and exploring factors related to the capacitance of a parallel plate capacitor. Background technique [0002] At present, "the movement of charged particles in a uniform electric field" is a comprehensive problem of electricity and mechanics in high school physics, and is a key content in teaching. Since there is no demonstration experiment that directly shows the track changes of this movement, it is also a difficult point in teaching. Although the cathode ray tube, electrostatic deflection oscilloscope and other instruments can demonstrate the deflection of the electron beam emitted by the cathode under the action of the electric field force, it can only allow us to imagine the electron movement process by observing the trajectory of the electron beam hitti...

Claims

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Application Information

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IPC IPC(8): G09B23/18
Inventor 陈晓莉宋艺华张集中于承霖吕宗友
Owner SOUTHWEST UNIVERSITY
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