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Three-dimensional space learning device for mathematics teaching

A technology of three-dimensional space and learning devices, applied in the field of teaching aids, can solve problems such as chalk consumption, curve track fades until it disappears, and achieves the effect of frequent replacement

Pending Publication Date: 2022-01-28
FUZHOU COLLEGE OF FOREIGN STUDIES & TRADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing display devices fix the chalk on the disk, and display the trajectory as the disk rotates. As the disk continues to rotate, the chalk will be continuously consumed during the curve trajectory generation process, and the curve trajectory will become more and more We need a three-dimensional space learning device for mathematics teaching to solve the above problems

Method used

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  • Three-dimensional space learning device for mathematics teaching
  • Three-dimensional space learning device for mathematics teaching
  • Three-dimensional space learning device for mathematics teaching

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] see Figure 1 to Figure 7 , the present invention provides a technical solution: a three-dimensional space learning device for mathematics teaching, including a display board 1 and a gear plate-2 for demonstration, the upper surface of the display board 1 is provided with a display window 3 for demonstrating the cycloid, The inner wall of the display window 3 and the outer contour of the gear plate 2 are provided with teeth that mesh with the gear plate 2. The side of the gear plate 2 close to the display window 3 is provided with a through groove 4, and the through groove 4 is provided with The feeding mechanism that slowly pushes the chalk. The feeding mechanism includes a placement plate 5 that is slidingly connected with the through groove 4. The placement plate 5 is provided with a placement hole 6 for placing chalk. The upper surface of the gear plate 2 is close to the through groove 4. The side is fixedly connected with the limit block 7, and the surface of the l...

Embodiment 2

[0041] like figure 1 As shown, it is basically the same as Embodiment 1, furthermore, the driving mechanism includes a driving motor 35 fixedly installed on one side of the display board 1, the output end of the driving motor 35 is fixedly connected with a screw 36, and the surface of the slider 32 is provided with a threaded hole It is screwed to the screw rod 36 through the threaded hole, and the drive motor 35 is electrically connected to the external remote controller through a wireless signal.

[0042] The teaching personnel can directly control the drive motor 35 to rotate through the external controller, and the screw rod 36 fixedly connected with the drive motor 35 output shafts can be rotated. The surface of the slide block 32 is provided with a threaded hole and is screwed with the screw rod 36 through the threaded hole, and the slide block 32 Along with the rotation of the screw rod 36, the limit sliding in the horizontal direction is performed in the sliding groove...

Embodiment 3

[0044] like Image 6 and Figure 7 As shown, it is basically the same as Embodiment 1 and Embodiment 2. Furthermore, no less than four placement holes 6 are provided, and the four placement holes 6 are distributed on the placement plate 5 at intervals.

[0045] There are not less than four placement holes 6 on the placement board 5, and chalks of different colors are put into the placement holes 6 to realize the demonstration of a plurality of cycloidal motion trajectories with different radii for comparison and deepening. Students' understanding of their trajectory.

[0046] Working principle: the three-dimensional space learning device for mathematics teaching, when in use, insert the thinner end of the chalk into the placement hole 6 on the surface of the placement board 5, so that the thicker end is positioned in the placement hole 6 for fixing, and at this time the thinner end In contact with the surface of the display window 3, when the teaching staff controls the driv...

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PUM

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Abstract

The invention discloses a three-dimensional space learning device for mathematics teaching. The device comprises a display board used for demonstration and a first gear disc, a display window used for demonstrating the cycloid is formed in the upper surface of the display board, teeth meshed with the first gear disc are arranged at the contact position of the inner wall of the display window and the outer contour of the first gear disc, a through groove is formed in the side, close to the display window, of the first gear disc, a feeding mechanism for slowly pushing chalks is arranged in the through groove, the feeding mechanism comprises a placing plate which is in limiting sliding connection with the through groove, placing holes for placing the chalks are formed in the placing plate, a limiting block is fixedly connected to the side, close to the through groove, of the upper surface of the first gear disc; the surface of the limiting block is provided with a through hole and rotationally connected with a transmission shaft in a limiting mode through the through hole, and the transmission shaft is in transmission connection with the feeding mechanism. The device has the advantages of automatic feeding, simplicity in operation and no need of frequent replacement, and solves the problems proposed in the background technology.

Description

technical field [0001] The invention relates to the technical field of teaching aids, in particular to a three-dimensional space learning device for mathematics teaching. Background technique [0002] Visually display the cycloidal motion animation scene in three-dimensional space to deepen students' understanding of the motion form of cycloidal motion. In the specific analysis, it is necessary to continuously display the trajectory of the cycloidal motion. The cycloidal line is one of the many fascinating curves in mathematics. First, it is defined as follows: a circle slowly rolls along a straight line, and the trajectory passed by a fixed point on the circle is called a cycloid. Most of the existing display devices fix the chalk on the disk, and display the trajectory as the disk rotates. As the disk continues to rotate, the chalk will be continuously consumed during the curve trajectory generation process, and the curve trajectory will become more and more Faint until i...

Claims

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Application Information

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IPC IPC(8): G09B23/02B43L11/00
CPCG09B23/02B43L11/00
Inventor 赵晓林悦馨薛雨昕刘鼎陈俊
Owner FUZHOU COLLEGE OF FOREIGN STUDIES & TRADE