Buoyancy demonstrator

A demonstrator, buoyancy technology, applied in the direction of instruments, educational tools, teaching models, etc.

Inactive Publication Date: 2011-04-20
戴增辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many teaching aids for buoyancy experiments,

Method used

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  • Buoyancy demonstrator
  • Buoyancy demonstrator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0006] Reference figure 1 The buoyancy demonstrator is composed of bracket 1, pool 2, fixed pulley 3, pontoon 4, spring balance 5, balloon 6, and thin line 7. The buoyancy demonstrator is to hang the spring scale 5 on the support 1, connect a thin wire 7 to the hook of the spring scale 5; fix a fixed pulley 3 on the bottom of the pool 2, and hang the thin wire 7 hanging on the spring scale 5 on the fixed On the pulley 3, connect the other end of the thin line 7 to a float 4; finally, fill the pool 2 with water to make the float 4 float on the water; if the float 4 is removed, a balloon 6 can be replaced. Buoyancy experiment of balloon 6.

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Abstract

A buoyancy demonstrator relates to a teaching aid, which comprises: a spring balance hung on a support, wherein a string hung on the spring balance is connected with a floating drum through a fixed pulley in the bottom of a pool; when the pool is filled with water, the floating drum can float on the water surface; if the floating drum is removed, a balloon can replace the same.The buoyancy demonstrator has the following advantages: making students understand that the buoyancy is vertical, when the object is fully immersed into water, the size of buoyancy has nothing to do with the immersed depth of the object; when the floating drum is replaced by the balloon, the volume of the balloon reduces with the increase of the immersed depth of the balloon, however, buoyancy becomes low. As a result, the buoyancy demonstrator helps students to be more scientific-minded and to be free from the effect of thinking set.

Description

Technical field [0001] The invention relates to a teaching aid. Background technique [0002] In experimental teaching, students can intuitively see the real objects, so as to deeply understand the teaching content. There are many teaching aids for buoyancy experiments, but there is no obvious improvement in the near future. Summary of the invention [0003] The purpose of the present invention is to provide a buoyancy demonstrator, which is composed of a bracket, a pool, a fixed pulley, a pontoon, a spring balance and a balloon, and a thin wire. When doing the experiment, first hang the spring scale on the support, connect a thin wire to the hook of the spring scale; fix a fixed pulley on the bottom of the pool, hang the thin wire hanging on the spring scale on the fixed pulley, and then put the thin wire on the fixed pulley. The other end of the line is connected with a buoy; finally, water is filled in the pool to float the buoy on the water surface, and then the experiment o...

Claims

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Application Information

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IPC IPC(8): G09B23/12
Inventor 戴增辉
Owner 戴增辉
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