CN206411951U - A kind of College Mathematics Teaching probabilistic model teaching aid - Google Patents
A kind of College Mathematics Teaching probabilistic model teaching aid Download PDFInfo
- Publication number
- CN206411951U CN206411951U CN201720067577.3U CN201720067577U CN206411951U CN 206411951 U CN206411951 U CN 206411951U CN 201720067577 U CN201720067577 U CN 201720067577U CN 206411951 U CN206411951 U CN 206411951U
- Authority
- CN
- China
- Prior art keywords
- probabilistic model
- coin
- lamp bead
- teaching aid
- base
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- 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.)
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Abstract
The utility model discloses a kind of College Mathematics Teaching probabilistic model teaching aid, including base, throw coin device, probabilistic model device and electric device, throwing coin device is sequentially provided with the top of the base, probabilistic model device and electric device, the throwing coin device includes a pair of telescoping mechanisms, fixed mount and coin pipeline, fixed mount is installed at the top of the telescoping mechanism, coin pipeline is installed on the fixed mount, the probabilistic model device includes rectangular-shape housing, and rectangular-shape housing is fixed on base, the surface of the cuboid housing is provided with hemispherical groove, the inside of the rectangular-shape housing is provided with circuit board, the surface of the circuit board is provided with LED combination lamp bead, and LED combination lamp bead is corresponded with hemispherical groove and set.Probabilistic model teaching aid of the present utility model demonstrates probability problem using the LED lamp bead of multiple color, vivid, and structure is novel, reasonable in design, easily promotes.
Description
Technical field
The utility model is related to College Mathematics Teaching probabilistic model teaching aid technical field, more particularly to a kind of College Maths
Probabilistic model teaching aid is used in teaching.
Background technology
In known technical field, probability is because being to compare abstract concept, in College Maths probability theory course, if can borrow
Help probabilistic model teaching aid to explain, student can be made to be easier to understand and grasp.And up to now, because being used without suitable teacher
Probabilistic model teaching aid so that teacher with language and can only coordinate figure and word to be explained on blackboard, and not only student is not
It is readily appreciated that, teacher's explanation gets up also very hard, if a kind of teaching aid for probabilistic model can be designed, can significantly carry
Rise teaching efficiency, it is easy to which student understands also have very classical throwing coin to obtain the probability problem of positive and negative, artificially jettisoning has certainly
Error, height and all bad control of angle, be this utility model proposes a kind of College Mathematics Teaching probabilistic model teaching aid, pin
The deficiencies in the prior art are made with improvement.
Utility model content
The purpose of this utility model is and a kind of College Maths religion proposed in order to solve shortcoming present in prior art
Use probabilistic model teaching aid.
To achieve these goals, the utility model employs following technical scheme：
A kind of College Mathematics Teaching probabilistic model teaching aid, including base, throwing coin device, probabilistic model device and electric power
Throwing coin device, probabilistic model device and electric device, and probabilistic model device position are sequentially provided with the top of device, the base
In throwing between coin device and electric device, the throwing coin device includes a pair of telescoping mechanisms, fixed mounts and insert coins pipeline, institute
State to be provided with the top of the top side that telescoping mechanism is welded on base, the telescoping mechanism on fixed mount, the fixed mount and pacify
Equipped with coin pipeline；
The probabilistic model device includes rectangular-shape housing, and rectangular-shape housing is fixed on base, described rectangular
The surface of body shell body is provided with hemispherical groove, and the inside of the rectangular-shape housing is provided with circuit board, the table of the circuit board
Face is provided with LED combination lamp bead, and LED combination lamp bead is corresponded with hemispherical groove and set；
Battery is provided with the electric device, the surface of electric device is provided with charging inlet, and charging inlet and battery electricity
Property connection, the battery and circuit board are electrically connected with.
It is preferred that, surface of the cuboid housing away from hemispherical groove is provided with rotary switch, and rotary switch
Correspond and set with LED combination lamp bead.
It is preferred that, the LED combination lamp bead includes red LED lamp bead, blue led lamp bead and orange LED lamp bead.
It is preferred that, the hemispherical groove is distributed in the surface of cuboid housing, and N >=6, M >=6 in N*M.
It is preferred that, the bottom of the coin pipeline is funnel-shaped structure, and the lower end of coin pipeline is provided with oblong openings.
In the utility model, by the design for throwing coin device, it is ensured that while the height of coin is thrown, and can be true
Free-falling when coin is vertical state is protected, by the design of probabilistic model device, LED combination is controlled by rotary switch
Lamp bead, can thus control LED lamp bead to light, and provided with three kinds of colors, can select different by rotary switch
The lamp bead of color lights, so that the traditional probability problem of the bead of the model probability under meeting different scenes, such as multiple color.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of College Mathematics Teaching probabilistic model teaching aid structural representation；
Fig. 2 be the utility model proposes a kind of College Mathematics Teaching probabilistic model teaching aid probabilistic model device section view
Figure.
In figure：1 base, 2 rectangular-shape housings, 3 charging inlets, 4 batteries, 5 LED combination lamp beads, 6 coin pipelines, 7 are consolidated
Determine frame, 8 telescoping mechanisms, 9 hemispherical grooves, 10 circuit boards, 11 rotary switches, 12 throw coin devices, 13 probabilistic model devices,
14 electric devices.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.
Reference picture 1-2, a kind of College Mathematics Teaching probabilistic model teaching aid, including base 1, throwing coin device 12, probability
Model equipment 13 and electric device 14, the top of base 1 are sequentially provided with throwing coin device 12, probabilistic model device 13 and electric power dress
14 are put, and probabilistic model device 13 is located between throwing coin device 12 and electric device 14, throws coin device 12 and is stretched including a pair
Contracting mechanism 8, fixed mount 7 and coin pipeline 6, telescoping mechanism 8 are welded on the top side of base 1, and the top of telescoping mechanism 8 is installed
Have and coin pipeline 6 is installed on fixed mount 7, fixed mount 7；Probabilistic model device 13 includes rectangular-shape housing 2, and rectangular-shape
Housing 2 is fixed on base 1, and the surface of cuboid housing 2 is provided with hemispherical groove 9, and the inside of rectangular-shape housing 2 is provided with
Circuit board 10, the surface of circuit board 10 is provided with LED combination lamp bead 5, and LED combination lamp bead 5 is corresponded with hemispherical groove 9
Set.
In the utility model, the bottom of coin pipeline 6 is funnel-shaped structure, and the lower end of coin pipeline 6 is opened provided with rectangle
Mouthful.Circuit board 10 is electrically connected with battery 4.Hemispherical groove 9 is distributed in the surface of cuboid housing 2 in N*M, and N >=6, M >=
6.LED combination lamp bead 5 includes red LED lamp bead, blue led lamp bead and orange LED lamp bead.Battery 4 is provided with electric device 14,
The surface of electric device 14 is provided with charging inlet 3, and charging inlet 3 is electrically connected with battery 4.Cuboid housing 2 is away from hemisphere
The surface of connected in star 9 is provided with rotary switch 11, and rotary switch 11 is corresponded with LED combination lamp bead 5 and set, by throwing
The design of coin device 12, it is ensured that while throwing the height of coin, and may insure when coin is vertical state under freedom
Fall, by the design of probabilistic model device 13, LED combination lamp bead 5 is controlled by rotary switch 11, can thus be controlled
LED lamp bead lights, and provided with three kinds of colors, the lamp bead of different colors can be selected to light by rotary switch 11, from
And meet the model probability under different scenes, such as the traditional probability problem of the bead of multiple color.
The utility model is when in use, first charged by battery 4 according to probabilistic model device 13, and battery 4 is LED combination
Lamp bead 5 is powered, then according to topic type needs, and teacher can open the LED lamp bead of different colours by rotary switch 11, to give
The vivid demonstration probabilistic model of student, by the way that several lamp beads are opened, can thus be simulated various in topic with lamp bead
The number of object, so that clear answer probabilistic model is become apparent from, if running into throwing coin to verify coin positive and negative probability
The problem of, it can be implemented with coin device 12 is thrown, coin is put into coin pipeline 6 just can be with.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (5)
1. a kind of College Mathematics Teaching probabilistic model teaching aid, including base（1）, throw coin device（12）, probabilistic model device
（13）And electric device（14）, it is characterised in that the base（1）Top be sequentially provided with throwing coin device（12）, probability mould
Type device（13）And electric device（14）, and probabilistic model device（13）Positioned at throwing coin device（12）And electric device（14）It
Between, the throwing coin device（12）Including a pair of telescoping mechanisms（8）, fixed mount（7）With coin pipeline（6）, the telescoping mechanism
（8）It is welded on base（1）Top side, the telescoping mechanism（8）Top fixed mount is installed（7）, the fixed mount（7）
On coin pipeline is installed（6）；
The probabilistic model device（13）Including rectangular-shape housing（2）, and rectangular-shape housing（2）It is fixed on base（1）On,
The cuboid housing（2）Surface be provided with hemispherical groove（9）, the rectangular-shape housing（2）Inside circuit is installed
Plate（10）, the circuit board（10）Surface LED combination lamp bead is installed（5）, and LED combination lamp bead（5）With hemispherical groove
（9）Correspond and set；
The electric device（14）It is interior to be provided with battery（4）, electric device（14）Surface be provided with charging inlet（3）, and charging
Mouthful（3）With battery（4）It is electrically connected with, the battery（4）With circuit board（10）It is electrically connected with.
2. a kind of College Mathematics Teaching probabilistic model teaching aid according to claim 1, it is characterised in that the cuboid
Housing（2）Away from hemispherical groove（9）Surface be provided with rotary switch（11）, and rotary switch（11）With LED combination lamp
Pearl（5）Correspond and set.
3. a kind of College Mathematics Teaching probabilistic model teaching aid according to claim 1, it is characterised in that the LED groups
Close lamp bead（5）Including red LED lamp bead, blue led lamp bead and orange LED lamp bead.
4. a kind of College Mathematics Teaching probabilistic model teaching aid according to claim 1, it is characterised in that the hemispherical
Groove（9）Cuboid housing is distributed in N*M（2）Surface, and N >=6, M >=6.
5. a kind of College Mathematics Teaching probabilistic model teaching aid according to claim 1, it is characterised in that the coin pipe
Road（6）Bottom be funnel-shaped structure, insert coins pipeline（6）Lower end be provided with oblong openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720067577.3U CN206411951U (en) | 2017-01-17 | 2017-01-17 | A kind of College Mathematics Teaching probabilistic model teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720067577.3U CN206411951U (en) | 2017-01-17 | 2017-01-17 | A kind of College Mathematics Teaching probabilistic model teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206411951U true CN206411951U (en) | 2017-08-15 |
Family
ID=59557289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720067577.3U Expired - Fee Related CN206411951U (en) | 2017-01-17 | 2017-01-17 | A kind of College Mathematics Teaching probabilistic model teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206411951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735050A (en) * | 2018-05-25 | 2018-11-02 | 韩翔凌 | A kind of College Maths probability event teaching demonstration device |
-
2017
- 2017-01-17 CN CN201720067577.3U patent/CN206411951U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735050A (en) * | 2018-05-25 | 2018-11-02 | 韩翔凌 | A kind of College Maths probability event teaching demonstration device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170815 Termination date: 20180117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |