Teaching aid for advanced mathematics differential teaching
A technology of advanced mathematics and differentiation, applied in the field of teaching tools, can solve the problems of poor display effect of differential limit graphics, affecting users' experience of using teaching tools, and achieve the effect of more user-friendly use, good display effect, and good anti-slip function.
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Embodiment 1
[0020] see Figure 1-Figure 3 , the present invention provides a technical solution: a teaching aid for advanced mathematics differential teaching, comprising a box body 4, a display board 7 is arranged in the middle of the front surface of the box body 4, a handle 5 is arranged on the top of the box body 4, and the box body 4 The interior of the cabinet is provided with a lamp board 6 corresponding to the display board 7. There are several LED lights on the lamp board 6. The lamp board 6 is electrically connected to the power supply through a switch. The bottom of the box body 4 is provided with a display mechanism 8. The display mechanism 8 includes a base 84, the interior of the base 84 is provided with a projector 82, the upper surface of the base 84 is provided with a rubber sealing plug 81, the base 84 is provided with a limit hole 85 corresponding to the sealing plug 81, and the sealing plug 81 The top is embedded with a pull cord 86;
[0021] In order to make it more ...
Embodiment 2
[0024] On the basis of Embodiment 1, in order to prevent the display board 7 from being damaged, in this embodiment, preferably, the two ends of the box body 4 are provided with a protective plate 2, and the connection between the protective plate 2 and the box body 4 is provided with a hinge. 1. The protection board 2 protects the box body 4 during use, effectively preventing the display board 7 from being damaged during storage;
[0025] In order to make the use effect of the protective plate 2 better, in this embodiment, preferably, the two ends of the base 84 are provided with a limit plate 87 corresponding to the protective plate 2, and the connection between the limit plate 87 and the base 84 is provided with The pin 88, the limiting plate 87 can be rotated by the pin 88, thereby fixing the protective plate 2 through the limiting plate 87;
[0026] In order to make the movement of teaching aids more convenient, in this embodiment, preferably, a strap 3 is arranged above ...
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