CN209980572U - Function curve contrast demonstration teaching aid - Google Patents
Function curve contrast demonstration teaching aid Download PDFInfo
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- CN209980572U CN209980572U CN201920372710.5U CN201920372710U CN209980572U CN 209980572 U CN209980572 U CN 209980572U CN 201920372710 U CN201920372710 U CN 201920372710U CN 209980572 U CN209980572 U CN 209980572U
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- 230000008859 change Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005070 sampling Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 description 1
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- 239000012528 membrane Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses a function curve contrast demonstration teaching aid, which comprises a box body, a bearing glass sheet and a plurality of function curve cards, wherein the lower part of the box body is connected with a lamp box, the front surface of the box body is a transparent display surface, the top of the box body is provided with an opening, and the back surface of the box body is provided with a substrate; the bearing glass slide is vertically placed in the box body through an opening arranged at the top; the bearing slide comprises a transparent slide body and fixed attraction soft films, the two sides of the transparent slide body are respectively connected with one fixed attraction soft film, the function curve clamp is a transparent card body, and a function curve is drawn on the transparent card body; the utility model can demonstrate the relation that the corresponding function curve changes along with the change of the horizontal coordinate or the vertical coordinate sampling value; the teaching aid greatly facilitates the demonstration of mathematical education, simultaneously enriches the interestingness of courses and facilitates the understanding and memory of students; the utility model has the advantages of simple structure, reasonable arrangement, low manufacturing cost and the like.
Description
Technical Field
The utility model relates to a mathematics teaching aid technical field, concretely relates to function curve contrast demonstration teaching aid.
Background
The teaching aid plays an important role in teaching, the teaching aid is effectively used for operation, the interest of student learning can be modulated, the intuitive pictograph of students can be stimulated, abstract mathematical knowledge can be changed into visual impression, and better understanding of the students can be facilitated.
In the prior teaching process, if students simply compare the relationship of function curves through mathematical operation, the students are difficult to memorize deeply, particularly when the values of the abscissa axis and the ordinate axis are changed continuously, various related function curves can appear, the functions are difficult to understand only by means of abstract thinking, and time is wasted through hand drawing, so that some schools introduce an experimental teaching method. However, the existing function curve demonstration teaching aid is single in form, cannot compare curves, and is general in teaching effect. Therefore, it is necessary to develop a teaching aid for teaching demonstration that can facilitate comparison of function curves.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a simple structure, can demonstrate the contrast of function curve directly perceived, demonstrates the demonstration teaching aid that corresponding function curve changed when numerical value changed.
The utility model provides a technical scheme that its technical problem adopted is:
a function curve contrast demonstration teaching aid comprises a box body, a bearing glass slide and a plurality of function curve clamps, wherein the lower part of the box body is connected with a lamp box, the front surface of the box body is a transparent display surface, the top of the box body is provided with an opening, two side surfaces of the box body are light-tight plates, and the back surface of the box body is provided with a substrate; the bearing glass slide is vertically placed in the box body through an opening arranged at the top; the bearing glass slide comprises a transparent glass slide body and fixed attraction soft films, wherein the two sides of the transparent glass slide body are respectively connected with one fixed attraction soft film, and the side edges of the fixed attraction soft films are connected with the side edges of the transparent glass slide body; the height of the bearing slide is greater than that of the box body; the function curve clamp is a transparent card body, and a function curve is drawn on the transparent card body.
When the device is used specifically, two drawn function curve cards needing to be compared are placed on two sides of the transparent glass slide body, and then the fixed actuation soft membrane covers the function curve cards to be fixed; when the function curve clamp is placed, the coordinate axes of the two function curves are superposed; then the bearing glass slide with the function curve clamp is inserted into the box body from the opening at the top of the box body and is vertically placed, the color which is clearly contrasted with the color of the function curve is selected as the main color of the substrate, the lamp box at the bottom is opened, and the function curve can be contrasted and observed.
In a further preferable structure, the lower part of the lamp box is connected with a drawer for placing a plurality of function curve cards. This kind of structure makes demonstration teaching aid have the function of accomodating simultaneously, can prepare at ordinary times to the card of common function curve to deposit in the drawer for subsequent use.
In a further preferred structure, the bottom surface of the box body is provided with a groove, and the bearing glass slide enters the box body through the opening at the top of the box body and is placed in the groove for positioning. The groove at the bottom can position the bearing glass slide, so that the bearing glass slide is prevented from being obliquely cut, and the observation of the displayed function curve is facilitated.
In a further preferred structure, a plurality of substrate openings are arranged on one side of the top of the box body, which is far away from the transparent display surface, and substrates with different colors are respectively inserted into the substrate openings. A plurality of spare multicolor substrates are inserted at the rear part of the box body, substrates with bright contrast can be selected according to the colors of the function curves and are placed at the innermost layer for more prominent susceptor curves, so that the observation is easier.
In a further preferred structure, the upper surface of the lamp box and the bottom surface of the box body are arranged integrally, an LED luminous body, a power supply and a connecting circuit are arranged in the lamp box, and a switch control device is arranged on the outer surface of the lamp box. The lamp box is in a conventional arrangement, the circuit components are conventional circuits, and the LED light-emitting lamp body, the switching device and the power supply are connected in series for enhancing the display effect.
In a further preferred structure, the upper surface of the box body is provided with a first handle, and the top of the bearing glass sheet is provided with a second handle.
In a further preferable structure, a reference cross line is drawn at the center of the transparent slide body. For two function curve cards which are put in, in order to ensure that the coordinate axes of the two function curve cards are accurately superposed, the two function curve cards can be put according to a reference cross line.
The utility model discloses produced beneficial effect does for prior art.
The utility model discloses can demonstrate along with the abscissa or the change that the ordinate got the value, the relation that corresponding function curve changed. The teaching aid greatly facilitates mathematical teaching demonstration, enriches the interestingness of courses and facilitates students to understand and memorize. The utility model has the advantages of simple structure, reasonable arrangement, low manufacturing cost and the like.
Drawings
Fig. 1 is a schematic structural diagram of a cartridge in embodiment 1.
FIG. 2 is a schematic view showing the structure of a slide glass in example 1.
FIG. 3 is a diagram showing a process of placing a functional curve card in a carrier slide in example 1.
FIG. 4 is a schematic view showing the structure of a slide glass on which a functional curve card is placed in example 1.
FIG. 5 is a schematic view showing the structure of inserting a slide into a cassette in example 1.
Fig. 6 is a schematic structural diagram of a cartridge in embodiment 2.
Wherein, 1 is the box body, 2 is the bearing glass slide, 3 is the function meander line card, 4 is the lamp house, 5 is the opening, 6 is the substrate, 7 is the transparent slide body, 8 is fixed actuation mantle, 9 is first handle, 10 is the second handle, 11 is control switch, 12 is the recess, 13 is the drawer.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
Example 1
As shown in figures 1-5, a function curve contrast demonstration teaching aid comprises a box body 1, a bearing slide 2 and a plurality of function curve clamps 3, wherein the lower part of the box body 1 is connected with a lamp box 4, the upper surface of the lamp box 4 and the bottom surface of the box body 1 are arranged integrally, an LED luminous body, a power supply and a connecting circuit are arranged in the lamp box, and a control switch 11 is arranged on the outer surface of the lamp box 4. The lamp box 4 is of a conventional arrangement, wherein the circuit components are conventional circuits, and the LED light emitting lamp body, the control switch 11 and the power supply are connected in series for the purpose of enhancing the display effect.
The front of box body 1 is transparent resin glass material for do the show face, the top of box body 1 is equipped with opening 5, and two sides of box body 1 are light-tight board, and one side that transparent show face was kept away from at 1 top of box body is provided with a plurality of substrate openings, has inserted the substrate 6 of putting different colours in the substrate opening respectively, inserts a plurality of reserve polychrome substrates 6 at the rear portion of box body. The bearing slide 2 is vertically placed in the box body 1 through an opening 5 arranged at the top; the bearing glass slide 2 comprises a transparent glass slide body 7 and a fixed attraction soft film 8, wherein the fixed attraction soft film 8 is also made of transparent resin, is thin and can be tightly attached to the transparent glass slide body 7. The two sides of the transparent slide body 7 are respectively connected with a fixed attraction soft film 8, and the side edge of the fixed attraction soft film 8 is bonded with the side edge of the transparent slide body 7; the upper surface of the box body 1 is provided with a first handle 9, and the top of the bearing glass slide 2 is provided with a second handle 10, so that the bearing glass slide is convenient to take; the function curve clamp 3 is a transparent PVC card body and draws a function curve on the transparent card body.
When the device is used specifically, two drawn function curve clamps 3 needing to be compared are placed on two sides of the transparent glass slide body 7, and then the fixed attraction soft film 8 is covered above the function curve clamps 3 to fix the function curve clamps; when the function curve clamp 3 is placed, the coordinate axes of the two function curves are superposed; then the bearing glass slide 2 with the function curve clamp 3 is inserted into the box body 1 from the opening 5 at the top of the box body 1, the width of the opening 5 is set to be slightly larger than that of the bearing glass slide 2, so that the bearing glass slide can be placed vertically and cannot fall over, the color with sharp contrast with the color of the function curve is selected as the main color of the substrate, the substrate 6 with sharp contrast can be selected according to the color of the function curve and is placed on a layer close to the bearing glass slide 2 for more protruding setback curves, and therefore observation is easier. The light box 4 at the bottom is opened and the function curves can be observed in comparison.
Example 2
As shown in fig. 6, the structure is the same as that of embodiment 1, except that a drawer 13 is connected to the lower portion of the lamp housing 4 for placing a plurality of function curve cards 3. This kind of structure makes demonstration teaching aid have the function of accomodating simultaneously, can prepare at ordinary times to the card of common function curve to deposit in drawer 13 for subsequent use. The bottom surface of the box body is provided with a groove 12, and the bearing slide 2 enters the box body 1 through the opening 5 at the top of the box body 1 and is placed in the groove 12 for positioning. The bottom groove 12 positions the slide 2 to prevent the slide 2 from being cut off, thereby facilitating the observation of the displayed function curve.
The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.
Claims (7)
1. A function curve contrast demonstration teaching aid is characterized by comprising a box body, a bearing glass sheet and a plurality of function curve clamps, wherein the lower part of the box body is connected with a lamp box, the front surface of the box body is a transparent display surface, the top of the box body is provided with an opening, two side surfaces of the box body are light-tight plates, and the back surface of the box body is provided with a substrate; the bearing glass slide is vertically placed in the box body through an opening arranged at the top; the bearing glass slide comprises a transparent glass slide body and fixed attraction soft films, wherein the two sides of the transparent glass slide body are respectively connected with one fixed attraction soft film, and the side edges of the fixed attraction soft films are connected with the side edges of the transparent glass slide body; the height of the bearing slide is greater than that of the box body; the function curve clamp is a transparent card body, and a function curve is drawn on the transparent card body.
2. The teaching aid for comparison and demonstration of function curves according to claim 1, wherein a drawer is connected to the lower part of the light box and used for placing a plurality of function curve cards.
3. A function curve comparison demonstration teaching aid as claimed in claim 1, wherein a groove is formed in the bottom surface of the case body, and the slide carrier enters the case body through an opening in the top of the case body and is placed in the groove for positioning.
4. A function curve contrast demonstration teaching aid according to claim 1, wherein one side of the top of the box body, which is far away from the transparent display surface, is provided with a plurality of substrate openings, and substrates of different colors are respectively inserted into the substrate openings.
5. A function curve comparison demonstration teaching aid as claimed in claim 1, wherein the upper surface of the light box and the bottom surface of the box body are integrally arranged, the light box is internally provided with an LED light emitting body, a power supply and a connecting circuit, and the outer surface of the light box is provided with a switch control device.
6. A function curve comparison demonstration teaching aid as claimed in claim 1, wherein a first handle is arranged on the upper surface of the box body, and a second handle is arranged on the top of the carrier slide.
7. A function curve contrast demonstration teaching aid according to claim 1, wherein a reference cross line is drawn at the center of the transparent slide body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920372710.5U CN209980572U (en) | 2019-03-22 | 2019-03-22 | Function curve contrast demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920372710.5U CN209980572U (en) | 2019-03-22 | 2019-03-22 | Function curve contrast demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209980572U true CN209980572U (en) | 2020-01-21 |
Family
ID=69255441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920372710.5U Active CN209980572U (en) | 2019-03-22 | 2019-03-22 | Function curve contrast demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209980572U (en) |
-
2019
- 2019-03-22 CN CN201920372710.5U patent/CN209980572U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20210610 Address after: No. 131, Xinjian Road, Xinghualing District, Taiyuan City, Shanxi Province Patentee after: Shanxi Engineering Vocational College Address before: No. 131, Xinjian Road, Xinghualing District, Taiyuan City, Shanxi Province Patentee before: Tian Yunxia |