CN202929903U - Integral demonstration instrument - Google Patents
Integral demonstration instrument Download PDFInfo
- Publication number
- CN202929903U CN202929903U CN 201220679953 CN201220679953U CN202929903U CN 202929903 U CN202929903 U CN 202929903U CN 201220679953 CN201220679953 CN 201220679953 CN 201220679953 U CN201220679953 U CN 201220679953U CN 202929903 U CN202929903 U CN 202929903U
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- Prior art keywords
- coordinate
- display
- line adjuster
- integral
- line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
An integral demonstration instrument is characterized by being mainly composed of an X coordinate line adjuster, a liquid crystal coordinate display screen, a Y coordinate line adjuster, a Y coordinate value display, an X coordinate value display and an instrument regulation and control panel, wherein limit lines on the liquid crystal coordinate display screen are regulated and controlled by the X coordinate line adjuster and the Y coordinate line adjuster, and the coordinate positions of the limit lines are displayed by the Y coordinate value display and the X coordinate value display. The beneficial effects are that the integral demonstration instrument is exquisite in structure and ingenious in design, and is capable of determining integral top and bottom limits of two definite integrals in a convenient, rapid, visual and accurate manner.
Description
Technical field:
The utility model relates to the teaching aid technical field, refers in particular to a kind of integration demonstrator.
Background technology:
At present, in the double integral of higher mathematics is calculated, determine that according to the different situations of integral domain the method for the range of integration of twice definite integral only has the plane method of scoring on teaching material, namely in the method for integral domain inside-paint perpendicular to the straight line of coordinate axis.Prove through teaching practice, the plane method of scoring is easier to understand for the integral domain ratio of rule, but for the complicated integral domain that integral domain need to be divided into several integral domains, is difficult to understand in default of efficient and convenient demonstration instrument intuitively.
The utility model content:
The purpose of this utility model is to provide a kind of integration demonstrator, and in the existing double integral of solution, complicated integral domain is difficult to accurately determine the range of integration of twice definite integral, and lacks the problem of efficient and convenient demonstration instrument intuitively.
The purpose of this utility model realizes as follows: a kind of integration demonstrator, it is characterized in that: this demonstrator mainly is comprised of x-line adjuster, liquid crystal coordinate display screen, y-line adjuster, Y coordinate values display, X coordinate values display, instrument regulation and control panel, limit line on x-line adjuster and y-line adjuster regulation and control liquid crystal coordinate display screen, Y coordinate values display and X coordinate values display show the coordinate position of limit line.
The beneficial effects of the utility model are: structure is exquisite, design ingenious, range of integration that can convenient and swift accurately definite twice definite integral directly perceived.
Description of drawings:
Fig. 1 is the utility model structural representation.
In figure, x-line adjuster 1, liquid crystal coordinate display screen 2, y-line adjuster 3, Y coordinate values display 4, X coordinate values display 5, instrument regulation and control panel 6.
Embodiment:
With reference to Fig. 1, a kind of integration demonstrator, this demonstrator mainly is comprised of x-line adjuster 1, liquid crystal coordinate display screen 2, y-line adjuster 3, Y coordinate values display 4, X coordinate values display 5, instrument regulation and control panel 6, limit line on x-line adjuster 1 and y-line adjuster 3 regulation and control liquid crystal coordinate display screens 2, Y coordinate values display 4 and X coordinate values display 5 show the coordinate position of limit line.
A kind of integration demonstrator, it is characterized in that: this demonstrator mainly is comprised of x-line adjuster, liquid crystal coordinate display screen, y-line adjuster, Y coordinate values display, X coordinate values display, instrument regulation and control panel, limit line on x-line adjuster and y-line adjuster regulation and control liquid crystal coordinate display screen, Y coordinate values display and X coordinate values display show the coordinate position of limit line.The beneficial effects of the utility model are: structure is exquisite, design ingenious, range of integration that can convenient and swift accurately definite twice definite integral directly perceived.
Claims (1)
1. integration demonstrator, it is characterized in that: this demonstrator mainly is comprised of x-line adjuster (1), liquid crystal coordinate display screen (2), y-line adjuster (3), Y coordinate values display (4), X coordinate values display (5), instrument regulation and control panels (6), limit line on x-line adjuster (1) and y-line adjuster (3) regulation and control liquid crystal coordinate display screens (2), Y coordinate values display (4) and X coordinate values display (5) show the coordinate position of limit line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220679953 CN202929903U (en) | 2012-12-12 | 2012-12-12 | Integral demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220679953 CN202929903U (en) | 2012-12-12 | 2012-12-12 | Integral demonstration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202929903U true CN202929903U (en) | 2013-05-08 |
Family
ID=48219841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220679953 Expired - Fee Related CN202929903U (en) | 2012-12-12 | 2012-12-12 | Integral demonstration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202929903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107403571A (en) * | 2017-09-08 | 2017-11-28 | 陈璐琳 | A kind of economics coordinate analysis dynamic light source demonstration board |
-
2012
- 2012-12-12 CN CN 201220679953 patent/CN202929903U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107403571A (en) * | 2017-09-08 | 2017-11-28 | 陈璐琳 | A kind of economics coordinate analysis dynamic light source demonstration board |
| CN107403571B (en) * | 2017-09-08 | 2019-09-13 | 陈璐琳 | A kind of economics coordinate analysis dynamic light source demonstration board |
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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: 20130508 Termination date: 20171212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |