Energy transformation demonstration apparatus

A demonstration device and energy conversion technology, which is applied in the direction of educational appliances, instruments, teaching models, etc., can solve the problems of no production, etc., and achieve the effect of convenient operation, small size and easy promotion

Inactive Publication Date: 2006-10-11
上海市嘉定区第二中学
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, no similar experimental device has been produced in China at present.

Method used

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  • Energy transformation demonstration apparatus

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with description of drawings and specific embodiments:

[0018] like figure 1 As shown, an energy conversion demonstration device is provided with a vertical plane circular orbit 2, a simulated planetary motion orbit 3, a horizontal plane circular orbit 4, a collision orbit 5, several dominoes 6, The sound-to-light conversion device 8 and three steel balls 12; the above-mentioned tracks 2, 3, 4, 5 can be metal round tubes or semicircular metal grooves or two parallel iron wires. The vertical plane circular orbit 2 is provided with an inlet end located at the highest point of the energy conversion demonstration device and an outlet end lower than the inlet end, the outlet end is tangent to the outer circumference of the simulated planetary motion orbit 3 and thrown from the outlet end The steel ball 12 can fall into the tangential direction of the outer circumference of the simulated planetary motion t...

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Abstract

The invention discloses an energy-conversion demonstration device, which consists of installing an entrance point locating on the maximum point of the said device and an exit end below the said entrance point on the circular orbit of the vertical plane, in which the said exit end is tangent with the outer circumference of the analog planet orbit and the iron shot from the exit end can drop in along the tangential direction of the outer circumference of analog planet orbit; the exit end of the analog planet orbit faces the entrance point of the circular orbit of the plane and the entrance point forms an oblique angle with the plane, and the exit end of the circular orbit of the plane binds with a collision orbit placed with two steel balls close to each other; the exit end of the collision orbit is placed with dominoes which can be hit by steel balls from the exit end and an acousto-optic alteration switch which can be hit by dominoes to start and stop is placed on the last domino. The device can demonstrate mutual conversion relation among various energies of objects very vividly and visually.

Description

technical field [0001] The invention relates to a teaching demonstration device, in particular to a demonstration device for demonstrating energy conversion in middle school physics teaching. Background technique [0002] In high school physics teaching, it is very necessary for students to grasp the viewpoint that "various energies can be transformed into each other". The relationship between energy conversion. Doing this demonstration experiment well can not only help students understand the very important point that "various energies can be transformed into each other", but also arouse students' strong interest in learning physics and their strong thirst for knowledge. For a student, this experiment is a very necessary. However, no similar experimental device has been produced in China at present. Contents of the invention [0003] The object of the present invention is to provide an energy conversion demonstration device, which vividly and intuitively demonstrates t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/06
Inventor 姚成兴蔡文学周礼邦
Owner 上海市嘉定区第二中学
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