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Teaching aid for assisting guidance of teaching of physics electricity rule

A technology of electricity and laws, applied in the field of teaching aids to assist and guide the teaching of laws of physics and electricity, can solve problems such as not improving students' interest in learning, troublesome drawing of images, and time-consuming drawing process, and achieve the goal of improving teaching efficiency, simple structure, and strong practicability. Effect

Inactive Publication Date: 2018-12-18
王一帆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When researching and teaching Ohm's law, it is often necessary to draw i / r and i / u two-dimensional images. It is a traditional method to test and record data and then draw points. This method is troublesome to draw images, and the drawing process is extremely time-consuming, which leads to teaching The efficiency is low, and this kind of rough drawing can not improve students' interest in learning

Method used

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  • Teaching aid for assisting guidance of teaching of physics electricity rule
  • Teaching aid for assisting guidance of teaching of physics electricity rule
  • Teaching aid for assisting guidance of teaching of physics electricity rule

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] see figure 1 , in an embodiment of the present invention, a teaching aid for assisting in teaching the laws of physics and electricity, comprising a display board 1, a base 2 is provided at the lower end of the display board 1, a drawing board 3 is provided on the display board 1, and the drawing board 3 is depicted with a vertical voltage scale bar and a horizontal current scale bar. The display board 1 where the drawing board 3 is located is provided with a drawing installation groove. The setting of the drawing installation groove 3 facilitates the detachable connection of the drawing board 3. The drawing board 3. The display board 1 on the left side is provided with an adjustment mechanism, the output end of the adjustment mechanism is provided with a dotting installation block 4, and the dotting installation block 4 is provided with a telescopic cylinder 21. 21 drives the dotting pen to make dots on the drawing board 3, so as to draw the dots, without the need for ...

Embodiment 2

[0025] see figure 2 , The difference from Embodiment 1 is that: the upper end of the display board 1 is provided with a pull ring 22, and the setting of the pull ring 22 is convenient for lifting the device.

Embodiment 3

[0027] see figure 2 , the difference from Embodiment 2 is that: the display board 1 is also provided with a lighting mechanism, the lighting mechanism includes a light bar 24 located on the display board 1, and a number of lighting lamps arranged at equal intervals are arranged on the lower side of the light bar 24 23. The illuminating lamp 23 is an LED lamp.

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PUM

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Abstract

The invention discloses a teaching aid for assisting guidance of teaching of a physics electricity rule. The teaching aid comprises a display plate, the lower end of the display plate is provided witha pedestal, the display plate is provided with a drawing board, longitudinal voltage scale bars and transverse current scale bars are described on the drawing board, the display plate at the left side of the drawing board is provided with an adjusting mechanism, an output end of the adjusting mechanism is provided with a dotting installation block, the dotting installation block is provided witha telescoping cylinder, and an output end of the telescoping cylinder is provided with a dotting pen nib. The dotting pen nib is driven to dot on the drawing board through the telescoping cylinder sothat dot plotting is performed, manual dot plotting by a teacher is avoided, and the teaching efficiency is greatly improved.

Description

technical field [0001] The invention relates to the technical field of teaching equipment, in particular to a teaching aid for assisting in guiding the teaching of laws of physics and electricity. Background technique [0002] Ohm's law states that in the same circuit, the current passing through a conductor is proportional to the voltage across the conductor and inversely proportional to the resistance of the conductor. When Ohm's law is established, the voltage at both ends of the conductor is the abscissa, and the current I in the conductor is the ordinate. The curve drawn is called the volt-ampere characteristic curve. This is a straight line passing through the origin of the coordinates, and its slope is the reciprocal of the resistance. When researching and teaching Ohm's law, it is often necessary to draw i / r and i / u two-dimensional images. It is a traditional method to test and record data and then draw points. This method is troublesome to draw images, and the draw...

Claims

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Application Information

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IPC IPC(8): G09B23/18
CPCG09B23/187
Inventor 王一帆
Owner 王一帆