A Lenz law demonstrator

A technology of Lenz's law and a demonstrator, which is applied in the direction of instruments, educational tools, teaching models, etc., can solve the problems of poor demonstration effect, not intuitive enough, complicated demonstration methods, etc.

Inactive Publication Date: 2008-09-10
贺发亮
View PDF0 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these demonstrations have the problems of complex methods, not being visually intuitive, and poor demonstration effects

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A Lenz law demonstrator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0009] Such as figure 1 As shown, the demonstrator includes base 1, frame 2, transparent glass tube 3, and copper tube part. The transparent glass tube 3 is equipped with a copper tube 4 that can slide therein and slotted on its copper tube wall, and a copper tube 4 that can slide in it and not open on the copper tube wall is also housed in the lower transparent glass tube 3 . Slotted copper pipes 5. During the demonstration, when holding a magnetic ring 6 and moving horizontally along the upper transparent glass tube, the copper tube in the glass tube does not move with the movement of the magnetic ring; when the magnetic ring 6 moves horizontally along the lower glass tube, the inside of the glass tube The copper tube moves with the direction of the magnetic ring movement. The above phenomenon shows that when the magnetic ring moves horizontally along the lower glass tube, due to the change of magnetic flux, the copper tube in the glass tube is equivalent to many closed co...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a Lenz law demonstrator which includes a base, a frame, transparent glass tubes and a copper tube part, wherein the frame is fixed on the base, and two transparent glass tubes with the same size are installed in parallel above and below the frame respectively, a copper tube which can slide in the transparent glass tube and is provided with a groove on the copper tube wall is mounted in the upper transparent glass tube, while a copper tube, which can slide in the transparent glass tube and is provided with no groove on the copper tube wall, is mounted in the lower transparent glass tube. As applying the above structure, the Lenz law demonstrator can conveniently and visually demonstrate that the direction of inductive current always causes the magnetic field thereof to hinder the flux change of the original magnetic field.

Description

technical field [0001] The invention belongs to an experimental teaching instrument, in particular to an experimental instrument for demonstrating Lenz's law of physics. Background technique [0002] At present, there are two main methods in the demonstration of Lenz’s law phenomenon in the physics experiment class: one is that when the hand-held permanent magnet goes in and out of the closed metal coil, the coil will be repelled or attracted, so as to detect the induced current. The second is to use the electronic circuit to drive the light-emitting diodes to generate sequential light to demonstrate the flow direction of the induced current. However, these demonstrations have the problems of complex methods, lack of image and intuition, and poor demonstration effects. Contents of the invention [0003] The purpose of the present invention is exactly to aim at the above problems existing in the current Lenz's law phenomenon demonstration experiment, to provide a kind of d...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G09B23/18
Inventor 贺发亮贺方宜
Owner 贺发亮
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap