A demonstration teaching aid for thermal convection

By introducing an adjustable airflow structure and a smoke generator into the demonstration teaching aid, combined with a transparent acrylic panel and a design that requires no external power supply, the problem of existing teaching aids being simple to use and complex to operate is solved, achieving simulation of more complex environments and intuitive teaching effects.

CN224417407UActive Publication Date: 2026-06-26武夷学院 +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
武夷学院
Filing Date
2025-06-09
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing demonstration teaching aids are too simple, mostly limited to basic circulation demonstrations, complicated to operate, and lack the ability to simulate complex environments, making it difficult for students to intuitively understand thermal circulation phenomena.

Method used

A teaching aid consisting of a demonstration box and a base was designed. The base contains a hot water box and an ice box. The lower part of the demonstration box has an adjustable airflow structure and a smoke generation structure. The effects of different terrains are simulated by rotating the blades. The demonstration box and cover are made of transparent acrylic sheet and do not require an external power supply, making them suitable for classroom use.

Benefits of technology

It enables the simulation of more complex environments, improves teaching effectiveness, allows students to understand thermal circulation phenomena more intuitively, and is easy and safe to operate, making it suitable for classroom use.

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    Figure CN224417407U_ABST
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Abstract

The utility model discloses a demonstration teaching aid of thermal circulation belongs to teaching aid technical field. The demonstration teaching aid includes demonstration box and base, and the lower end of demonstration box is connected with the upper end of base, and the both sides in base are equipped with push -and -pull slot, and is equipped with hot water box and ice block box respectively in two push -and -pull slots, is equipped with the flow guide structure on the lower end surface of demonstration box, and is equipped with the smoke generating structure in base and cover plate. The demonstration teaching aid can simulate the influence of different topography to the circulation, and the demonstration effect is better, so that the student can more intuitive understanding thermal circulation phenomenon, and the teacher carries out the teaching work conveniently, and the use is convenient, and need not external power supply, and is suitable for the safe use under the environment situation of classroom.
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