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Boiling point and pressure intensity experimental teaching aid for high school physics teaching

A physical and boiling point technology, applied in the field of teaching aids, can solve the problems of the reliability of teaching aids failing to achieve the desired effect, non-standard self-made teaching aids, etc., to achieve the effect of improving universality, simple structure, and speeding up experiments.

Inactive Publication Date: 2018-02-16
王彩英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing teaching, there is a lack of such in-class experimental devices. The teacher either completely relies on book knowledge for teaching, or makes some non-standard self-made teaching aids to help students understand the relationship between boiling point and pressure. Reliability as well as practical teaching purposes are less than ideal

Method used

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  • Boiling point and pressure intensity experimental teaching aid for high school physics teaching
  • Boiling point and pressure intensity experimental teaching aid for high school physics teaching
  • Boiling point and pressure intensity experimental teaching aid for high school physics teaching

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Embodiment Construction

[0019] The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

[0020] see Figure 1-3 , a boiling point and pressure experiment teaching aid for high school physics teaching; including a fixed rod 1 and a base 2; four fixed rods 1 are provided, and their lower ends are installed on the upper surface of the base 2; a No. 1 fixed block is arranged outside the upper end of the fixed rod 1 3; the No. 1 fixed block 3 is provided with two, and it is fixed on the fixed rod 1 by the bolt 4; the bolt 4 is fixed with a fastening device 18 by thread, so that the No. 1 fixed block 3 is fixed on the fixed On the rod 1; the No. 1 fixing block 3 and the No. 1 fixing plate 5 are welded as one; the No. 1 fixing plate 5 is provided with a fixing groove 27, so as to fix various detectors; the fixing groove 27 is made of elastic material Manometer 13, thermometer 14 and air guide tube 22 are fixed on it; the upper end of the pre...

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Abstract

The invention provides a boiling point and pressure intensity experimental teaching aid for high school physics teaching. The experimental teaching aid includes fixing rods and a base. The lower endsof the four fixing rods are installed on the upper surface of the base. First fixing blocks are respectively arranged outside the upper ends of two fixing rods. Each first fixing block and a corresponding first fixing plate are welded together. Each first fixing plate is provided with fixing slots. Pressure gauges, thermometers and air guide tubes are fixed to the fixing slots. The thermometers are fixed inside flasks through sealing connectors. Each flask is installed on the upper surface of an asbestos wire gauze. Each asbestos wire gauze is embedded onto the middle of a second fixing plate.Each second fixing block and a second connecting block are welded together. A fixing shaft is installed inside each second connecting block. A rotating block is installed on each fixing shaft througha bearing. An alcohol lamp holder is arranged right under each rotating shaft. The boiling point and pressure intensity experimental teaching aid is simple in structure and easy to use. As the wholedevice is provided with four fixing rods, different experiments can be carried out. Therefore, the universality of the device is improved.

Description

technical field [0001] The invention relates to the field of teaching aids, in particular to a teaching aid for boiling point and pressure experiments in high school physics teaching. Background technique [0002] When students learn book knowledge, they are assisted by teaching aids and experimental devices, which are of great help to deepen the understanding and mastery of the knowledge they have learned, especially for students who are new to learning about the relationship between boiling point and pressure. In-class experimental equipment is very necessary. In the existing teaching, there is a lack of such in-class experimental devices. The teacher either completely relies on book knowledge for teaching, or makes some non-standard self-made teaching aids to help students understand the relationship between boiling point and pressure. Reliability, as well as practical teaching purposes, fell short of the ideal. Contents of the invention [0003] The object of the pre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/16
CPCG09B23/16
Inventor 不公告发明人
Owner 王彩英
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