CN203300087U - A teaching tool for teaching limit in mathematics - Google Patents
A teaching tool for teaching limit in mathematics Download PDFInfo
- Publication number
- CN203300087U CN203300087U CN2013203413064U CN201320341306U CN203300087U CN 203300087 U CN203300087 U CN 203300087U CN 2013203413064 U CN2013203413064 U CN 2013203413064U CN 201320341306 U CN201320341306 U CN 201320341306U CN 203300087 U CN203300087 U CN 203300087U
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- China
- Prior art keywords
- demonstration frame
- teaching
- coordinate
- disposed
- mathematics
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Abstract
The utility model discloses a teaching tool for teaching limit in mathematics. The teaching tool comprises a demonstration frame, a transparent coordinate disc, and a coordinate body. A plurality of backlight sources are disposed in the demonstration frame. The coordinate disc is inlaid in the demonstration frame. The coordinate body is abutted against the coordinate disc. A control box is disposed on the top of the demonstration frame. A power module is disposed in the control box. A button switch and a luminosity regulator are disposed on the front of the control box. The power module, the backlight sources, the button switch, and the luminosity regulator are electrically connected. The teaching tool has novel design and simple structure. The backlight sources are disposed in the demonstration frame. Therefore, the coordinate disc is more attractive to the attention of students so as to be convenient for teachers to further increase teaching efficiency.
Description
Technical field
The utility model relates to a kind of educational aid, relates in particular to a kind of mathematics Limited Teaching apparatus.
Background technology
The teacher is saying College Maths class hour now, without any teaching aid, can use, be merely able to word and language, explain on blackboard, the concept of the limit is unusual abstract concept, and be the basis of College Maths, with the explanation of this kind method, be difficult to make the student to understand fast.
Summary of the invention
For the problem that above-mentioned prior art exists, the utility model provides a kind of mathematics Limited Teaching apparatus.
To achieve these goals, the technical solution adopted in the utility model is: a kind of mathematics Limited Teaching apparatus, comprise the demonstration frame, also comprise transparent coordinatograph and coordinate body, in the demonstration frame, be provided with several backlights, coordinatograph is embedded in the demonstration frame, coordinate is shown consideration for and is located on coordinatograph, and the top of demonstration frame is provided with control enclosure, in control enclosure, is provided with power module, the front of control enclosure is provided with keyswitch and luminosity regulator, and power module, backlight, keyswitch and luminosity regulator are electrically connected to.
As preferably, backlight is the LED lamp.
Compared with prior art, the utility model has the advantage of: modern design, simple in structure, in the demonstration frame, be provided with backlight, make coordinatograph more attract attention of student, be convenient to teacher and further improve efficiency of teaching.
The accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is another kind of structural representation of the present utility model.
In figure: 1, demonstration frame; 2, backlight; 3, coordinatograph; 4, coordinate body; 5, control enclosure; 6, keyswitch; 7, luminosity regulator.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As a kind of embodiment of the present utility model, consult Fig. 1 and Fig. 2, the utility model comprises demonstration frame 1, also comprise transparent coordinatograph 3 and coordinate body 4, in demonstration frame 1, be provided with several backlights 2, coordinatograph 3 is embedded in demonstration frame 1, coordinate body 4 is attached on coordinatograph 3, the top of demonstration frame 1 is provided with control enclosure 5, in control enclosure 5, be provided with power module, the front of control enclosure 5 is provided with keyswitch 6 and luminosity regulator 7, and power module, backlight 2, keyswitch 6 and luminosity regulator 7 are electrically connected to.Backlight 2 is the LED lamp.
The utility model modern design, simple in structure, in demonstration frame 1, be provided with backlight 2, make coordinatograph 3 more attract attention of student, be convenient to teacher and further improve efficiency of teaching.
Although in conjunction with current, be recognized as a most practical and preferred embodiment and described the utility model, but be to be understood that, the utility model is not limited to the disclosed embodiments, and is intended on the contrary contain multiple modification and equivalent arrangements included in the spirit and scope of the appended claims.
Claims (2)
1. mathematics Limited Teaching apparatus, comprise the demonstration frame, it is characterized in that: also comprise transparent coordinatograph and coordinate body, in described demonstration frame, be provided with several backlights, described coordinatograph is embedded in the demonstration frame, and described coordinate is shown consideration for and is located on coordinatograph, the top of demonstration frame is provided with control enclosure, in described control enclosure, be provided with power module, the front of control enclosure is provided with keyswitch and luminosity regulator, and described power module, backlight, keyswitch and luminosity regulator are electrically connected to.
2. mathematics Limited Teaching apparatus according to claim 1, it is characterized in that: described backlight is the LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203413064U CN203300087U (en) | 2013-06-15 | 2013-06-15 | A teaching tool for teaching limit in mathematics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203413064U CN203300087U (en) | 2013-06-15 | 2013-06-15 | A teaching tool for teaching limit in mathematics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203300087U true CN203300087U (en) | 2013-11-20 |
Family
ID=49576083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203413064U Expired - Fee Related CN203300087U (en) | 2013-06-15 | 2013-06-15 | A teaching tool for teaching limit in mathematics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203300087U (en) |
-
2013
- 2013-06-15 CN CN2013203413064U patent/CN203300087U/en not_active Expired - Fee Related
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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: 20131120 Termination date: 20140615 |
|
| EXPY | Termination of patent right or utility model |