CN205487012U - Function presentation device for mathematical education - Google Patents
Function presentation device for mathematical education Download PDFInfo
- Publication number
- CN205487012U CN205487012U CN201620138392.2U CN201620138392U CN205487012U CN 205487012 U CN205487012 U CN 205487012U CN 201620138392 U CN201620138392 U CN 201620138392U CN 205487012 U CN205487012 U CN 205487012U
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- China
- Prior art keywords
- demonstration
- line
- scale
- protractor
- function
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- Expired - Fee Related
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Abstract
The utility model relates to a function presentation device for mathematical education, including backplate, base, the backplate includes transparent backplate, magnetism backplate, be equipped with on the backplate and measure demonstration district, function demonstration district, measure the demonstration district and be equipped with the protractor, be equipped with base scale and arc limit scale on the protractor, evenly be equipped with the photo resistance on base scale, the arc limit scale respectively, the centre of a circle position of protractor is equipped with magnetism branch through the round pin axle, be equipped with datum line, demonstration line in the function demonstration district, the function demonstration is distinguished and evenly is equipped with a LED lamp, the demonstration line side adjacent with the magnetosphere evenly is equipped with the 2nd LED lamp, signal amplifier is passed through in the photo resistance, waveform shaping circuit links to each other with microprocessor's input, and microprocessor's an output and a LED lamp link to each other. Its beneficial effect does: the utility model discloses make more audio -visual study trigonometric function of student and total mark notion, improved the interest and the quality of instruction of study.
Description
Technical field
This utility model relates to mathematical education aid technical field, is specifically related to a kind of mathematical education function
Apparatus for demonstrating.
Background technology
The meaning relating to trigonometric function graphic and integration in Higher Mathematics Teaching is a difficult point, and student is initially
During contact, what very difficult imagination trigonometric function and integration represented is what, and what implication its integration is represented again, this
Will the basic meaning of teacher of the seeking advice's basic conception that trigonometric function is represented and integration describe clear, so design
A kind of teaching mode that can accurately show trigonometric function graphic and integration, allow student be better understood from trigonometric function and
Integration.
Summary of the invention
For overcoming described deficiency, the purpose of this utility model is to provide a kind of mathematical education function demonstration dress
Put, easy and simple to handle, may be used for showing functional digraph, it is also possible to show the meaning of integration.
This utility model solves its technical problem and be the technical scheme is that a kind of mathematical education function is demonstrated
Device, including backboard, base, is provided with microprocessor, accumulator in described base, described backboard includes transparent
Backboard, magnetic back plate, described backboard is provided with measurement demonstration district, function demonstration district, and described measurement demonstration district sets
There are protractor, protractor to be provided with base scale and arc limit scale, on base scale, arc limit scale the most uniformly
Being provided with photoconductive resistance, the home position of described protractor is provided with magnetic pole, the length of magnetic pole by bearing pin
More than the arc limit radius of protractor, the middle part of described magnetic pole is provided with chute, is provided with fastening bolt in chute,
Fastening bolt is provided with vertical line, and vertical line lower end is provided with vertical, and described vertical line is set to nontransparent strip, it is possible to
Effectively blocking photoconductive resistance, described function demonstration district is provided with coordinate line, demonstration line, and function demonstration district uniformly sets
The first LED, described first LED is had to be located between magnetic back plate and transparent back panel, described demonstration line
Cross section is set to square, and the side of described demonstration line is provided with magnetosphere, and demonstration line is by magnetosphere and backboard phase
Adhesive mutually, the one side that described demonstration line is adjacent with magnetosphere is uniformly provided with the second LED, described photosensitive electricity
Resistance is connected with the input of microprocessor by signal amplifier, waveform shaping circuit, the outfan of microprocessor
It is connected with the first LED.
Further, linked together by glue-line between described transparent back panel and magnetic back plate.
Further, described backboard is provided with suspension arrangement.
Further, described vertical line is provided with vertical line scale, and vertical line scale Self-fastening bolt starts to increase to vertical
Greatly, the convenient numerical value reading vertical direction.
Further, described magnetic pole is provided with scale, and scale is another from one end, protractor center of circle magnetropism pole
One end increases.
This utility model has the advantages that this utility model makes student learn trigonometric function more intuitively
And integral concept, improve interest and the quality of instruction of study.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is that this utility model A-A is to schematic diagram.
Fig. 3 is the structural representation of this utility model demonstration line.
Fig. 4 is the structural representation of this utility model protractor.
In figure, 1 backboard, 11 transparent back panel, 12 magnetic back plate, 13 glue-lines, 14 bases, 2 measure demonstration
District, 20 protractors, 21 base scales, 22 arc limits, 23 bearing pins, 3 magnetic poles, 31 chutes, 32 is tight
Fixing bolt, 33 vertical lines, 34 verticals, 4 function demonstration districts, 41 coordinate lines, 42 first LED, 43 drill
Timberline, 431 second demonstration lamps, 432 magnetospheres, 5 suspension arrangements.
Detailed description of the invention
Presently in connection with accompanying drawing, this utility model is described in further detail.
A kind of mathematical education function apparatus for demonstrating as shown in Figure 1, 2, 3, including backboard 1, base 14,
Being provided with microprocessor, accumulator in described base 14, described backboard 1 includes transparent back panel 11, magnetic back plate
12, described backboard 1 is provided with measurement demonstration district 2, function demonstration district 4, and described measurement demonstrates district 2 amount of being provided with
Hornwork 20, protractor 20 is provided with base scale 21 and arc limit scale 22, base scale 21, arc limit scale
Being uniformly provided with photoconductive resistance 24 on 22 respectively, the home position of described protractor 20 is provided with magnetic by bearing pin 23
Property pole 3, the length of magnetic pole 3 is more than the arc limit radius of protractor 20, in described magnetic pole 3
Portion is provided with chute 31, is provided with fastening bolt 32 in chute 31, and fastening bolt 32 is provided with vertical line 33, vertical line
33 lower ends are provided with vertical 34, and described vertical line 33 is set to nontransparent strip, it is possible to effectively block photoconductive resistance
24, described function demonstration district 4 is provided with coordinate line 41, demonstration line 43, and function demonstration district 4 is uniformly provided with the
One LED 42, described first LED 42 is located between magnetic back plate 12 and transparent back panel 11, described
The cross section of demonstration line 43 is set to square, and the side of described demonstration line 43 is provided with magnetosphere 432, demonstrates line
43 by magnetosphere 432 and the mutual adhesive of backboard 1, the side that described demonstration line 43 is adjacent with magnetosphere 432
Face is uniformly provided with the second LED 431, and described photoconductive resistance 24 is by signal amplifier, waveform shaping circuit
Being connected with the input of microprocessor, outfan and first LED 42 of microprocessor are connected.
Further, linked together by glue-line 13 between described transparent back panel 11 and magnetic back plate 12.
Further, described backboard 1 is provided with suspension arrangement 5.
Further, described vertical line 33 is provided with vertical line scale, and vertical line scale Self-fastening bolt 32 starts to vertical
34 directions increase, the convenient numerical value reading vertical direction.
Further, described magnetic pole 3 is provided with scale, and scale props up from one end, protractor 20 center of circle magnetropism
The other end of bar 3 increases.
Using method one: according to measuring demonstration trigonometric function, first adjust fastening bolt 32 in magnetic
Position on pole 3, rotates magnetic pole 3, and magnetic pole 3 blocks the arc limit scale of protractor 20 successively
Photoconductive resistance 24 on 22, vertical line 33 blocks the photoconductive resistance 24 on base simultaneously, two the photosensitive electricity blocked
The signal being simultaneously received is passed through signal amplifier, waveform shaping circuit by resistance 24, passes to microprocessor, micro-
Photoconductive resistance 24 on arc limit scale 22 is processed as angular values by processor, by the light on base scale 21
Quick resistance 24 is processed as the numerical value of chord length, and then microprocessor will control two the first LED corresponding to numerical value
42 is bright, and at this moment observer is placed sequentially in the first LED 42 lighted with demonstration line 43, forms triangle
Function；
Using method two, can adjust the clamp nut 32 position on magnetic pole 3, repeated using method
One, then depict the function line of function displays along demonstration wire tag with pen, and then during contrast different radii three
The situation of change of angle function；
Using method three, opens second source, according to the areas case of integration, adjusts the second LED 431
The direction irradiated, lights the second LED 431 on demonstration line 43, and the second LED 431 is irradiated
Region area is the implication of integration.
This utility model is not limited to described embodiment, and anyone should learn and make under enlightenment of the present utility model
The structure change gone out, every have same or like technical scheme with this utility model, each falls within this practicality new
Within the protection domain of type.
Technology that this utility model does not describes in detail, shape, structure part are known technology.
Claims (5)
1. a mathematical education function apparatus for demonstrating, including backboard, base, it is characterised in that: the described end
Being provided with microprocessor, accumulator in Zuo, described backboard includes transparent back panel, magnetic back plate, and described backboard sets
Having measurement demonstration district, function demonstration district, described measurement demonstration district is provided with protractor, and protractor is provided with base and carves
Degree and arc limit scale, base scale, arc limit scale are uniformly provided with photoconductive resistance, the circle of described protractor respectively
Heart position is provided with magnetic pole by bearing pin, and the length of magnetic pole is more than the arc limit radius of protractor, described magnetic
The middle part of property pole is provided with chute, is provided with fastening bolt in chute, and fastening bolt is provided with vertical line, vertical line lower end
Being provided with vertical, described vertical line is set to nontransparent strip, and described function demonstration district is provided with coordinate line, demonstration
Line, function demonstration district is uniformly provided with the first LED, and described first LED is located at magnetic back plate and the transparent back of the body
Between plate, the cross section of described demonstration line is set to square, and the side of described demonstration line is provided with magnetosphere, demonstration
Line is by magnetosphere and the mutual adhesive of backboard, and the one side that described demonstration line is adjacent with magnetosphere is uniformly provided with second
LED, described photoconductive resistance is by signal amplifier, the input phase of waveform shaping circuit and microprocessor
Even, the outfan of microprocessor and the first LED are connected.
A kind of mathematical education function apparatus for demonstrating the most according to claim 1, it is characterised in that: institute
State and linked together by glue-line between transparent back panel and magnetic back plate.
A kind of mathematical education function apparatus for demonstrating the most according to claim 1, it is characterised in that: institute
State backboard and be provided with suspension arrangement.
A kind of mathematical education function apparatus for demonstrating the most according to claim 1, it is characterised in that: institute
Stating vertical line and be provided with vertical line scale, vertical line scale Self-fastening bolt starts to increase to vertical.
A kind of mathematical education function apparatus for demonstrating the most according to claim 1, it is characterised in that: institute
Stating magnetic pole and be provided with scale, scale increases from the other end of one end, protractor center of circle magnetropism pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620138392.2U CN205487012U (en) | 2016-02-24 | 2016-02-24 | Function presentation device for mathematical education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620138392.2U CN205487012U (en) | 2016-02-24 | 2016-02-24 | Function presentation device for mathematical education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205487012U true CN205487012U (en) | 2016-08-17 |
Family
ID=56679024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620138392.2U Expired - Fee Related CN205487012U (en) | 2016-02-24 | 2016-02-24 | Function presentation device for mathematical education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205487012U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107757191A (en) * | 2017-10-17 | 2018-03-06 | 大连莲日新农业科技有限公司 | A kind of multi-functional high school mathematicses aided education topic plate |
| WO2020227840A1 (en) * | 2019-05-10 | 2020-11-19 | Universidad Del Desarrollo | Device for teaching |
-
2016
- 2016-02-24 CN CN201620138392.2U patent/CN205487012U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107757191A (en) * | 2017-10-17 | 2018-03-06 | 大连莲日新农业科技有限公司 | A kind of multi-functional high school mathematicses aided education topic plate |
| WO2020227840A1 (en) * | 2019-05-10 | 2020-11-19 | Universidad Del Desarrollo | Device for teaching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |