CN206594898U - A kind of mathematical education demonstration device for probability - Google Patents
A kind of mathematical education demonstration device for probability Download PDFInfo
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- CN206594898U CN206594898U CN201720298896.5U CN201720298896U CN206594898U CN 206594898 U CN206594898 U CN 206594898U CN 201720298896 U CN201720298896 U CN 201720298896U CN 206594898 U CN206594898 U CN 206594898U
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- dice
- concentrator bowl
- passage
- probability
- mathematical education
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Abstract
The utility model is related to mathematical education technical field, and more specifically a kind of mathematical education demonstration device for probability, one end of passage is connected on concentrator bowl, and the other end of passage is arranged on the top that dice stores bucket.Closure plate is inserted into the end of passage, and motor is fixedly connected on the bottom of concentrator bowl, and the output shaft of motor is connected with rotating disk through its top of concentrator bowl.The bottom of support bar is fixedly connected on the top of concentrator bowl, and the top of support bar is connected with dice input cylinder, and inserting board puts into the bottom of cylinder mounted in dice.One end of tilted supporter is connected on the outer wall of concentrator bowl, and the other end of tilted supporter is connected with data board, and the top that data board puts into cylinder with dice is connected.Probability displaying is carried out in several ways, the teaching displaying of probability can be intuitively carried out, and bandwagon effect is good, is favorably improved classroom learning atmosphere, and then improve the quality of mathematics education.
Description
Technical field
The utility model is related to mathematical education technical field, demonstrates and fills more specifically to a kind of mathematical education probability
Put.
Background technology
Higher mathematics refers to for elementary mathematics, mathematical creation and method a more numerous and diverse part.Broadly
Say, the mathematics outside elementary mathematics is all higher mathematics also have the more deep algebraically in middle school, geometry and simple set theory
Tentatively, logic is tentatively referred to as medium mathematics, the higher mathematics of elementary mathematics and university stage as middle and primary schools' stage
Transition.Generally, it is considered that higher mathematics is by infinitesimal calculus, more deep algebra, geometry and the intersection between them
The basic subject that content is formed.
Probability is an important knowledge point in higher mathematics, and probability is also known as probability, chance rate, probability or possibility,
It is the basic conception of probability theory.Probability is the measurement for the possibility that chance event occurs, typically with one in the reality between
Number represents the possibility size that an event occurs.Typically closer to the possibility of the generation of event is bigger.In the religion of probability theory
Process, is all explained, student can not get information about probability by the oral explanation of teacher and blackboard writing now
Possibility, student classroom atmosphere is poor, and quality of instruction is not high.
The content of the invention
The utility model mainly solving the technical problems that：A kind of mathematical education demonstration device for probability is provided, by a variety of
Mode carries out probability displaying, can intuitively carry out the teaching displaying of probability, and bandwagon effect is good, is favorably improved classroom learning gas
Atmosphere, and then improve the quality of mathematics education.
In order to solve the above technical problems, the utility model is related to mathematical education technical field, more specifically a kind of number
Teaching demonstration device for probability is learned, including dice stores bucket, passage, closure plate, concentrator bowl, motor, rotating disk, support bar, dice input
Cylinder, plate, tilted supporter and data board.
Dice is stored and is provided with baffle plate on the edge on bucket top.
The upper surface of rotating disk is uniformly provided with friction nail.
One end of passage is connected on concentrator bowl, and the other end of passage is arranged on the top that dice stores bucket.Closure plate is inserted
In the end of passage, motor is fixedly connected on the bottom of concentrator bowl, and the output shaft of motor is connected through its top of concentrator bowl
There is rotating disk.The bottom of support bar is fixedly connected on the top of concentrator bowl, and the top of support bar is connected with dice input cylinder, inserting board
The bottom of cylinder is put into mounted in dice.One end of tilted supporter is connected on the outer wall of concentrator bowl, the other end and data board of tilted supporter
It is connected, the top that data board puts into cylinder with dice is connected.
It is logical described in a kind of mathematical education demonstration device for probability of the utility model as the further optimization of the technical program
Road is connected with the tangent setting of concentrator bowl, and passage with the inside of concentrator bowl.
As the further optimization of the technical program, described in a kind of mathematical education demonstration device for probability of the utility model from
The outer surface of heart cylinder is provided with control button, is electrically connected between described control button and motor.The inwall of concentrator bowl bottom
On be inlaid with multiple balls, described ball is in contact with the bottom surface of rotating disk.
As the further optimization of the technical program, the color described in a kind of mathematical education demonstration device for probability of the utility model
The material that son stores bucket, passage, concentrator bowl and dice input cylinder is transparent plastic.
As the further optimization of the technical program, the color described in a kind of mathematical education demonstration device for probability of the utility model
The quantity that son stores bucket, passage and closure plate respectively has two.
As the further optimization of the technical program, described in a kind of mathematical education demonstration device for probability of the utility model from
The bottom of heart cylinder is connected with support base.
A kind of the utility model mathematical education demonstration device for probability has the beneficial effect that：
A kind of mathematical education demonstration device for probability of the utility model, carries out probability displaying in several ways, can be directly perceived
Progress probability teaching displaying, bandwagon effect is good, is favorably improved classroom learning atmosphere, and then improve mathematics education
Quality.
Brief description of the drawings
The utility model is described in more detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is a kind of dimensional structure diagram of mathematical education demonstration device for probability of the utility model.
Fig. 2 is a kind of front view of mathematical education demonstration device for probability of the utility model.
Fig. 3 is a kind of cross section structure diagram of mathematical education demonstration device for probability of the utility model.
Fig. 4 is the partial enlarged drawing of I part in Fig. 3.
In figure：Dice stores bucket 1, baffle plate 1-1, passage 2, closure plate 3, concentrator bowl 4, control button 4-1, ball 4-2, motor
5th, rotating disk 6, friction nail 6-1, support bar 7, dice input cylinder 8, plate 9, tilted supporter 10, data board 11.
Embodiment
Illustrate present embodiment with reference to Fig. 1-4, the utility model is related to mathematical education technical field, more specifically
It is a kind of mathematical education demonstration device for probability, including：Dice store bucket 1, passage 2, closure plate 3, concentrator bowl 4, motor 5, rotating disk 6,
Support bar 7, dice input cylinder 8, plate 9, tilted supporter 10 and data board 11.
Dice is stored and is provided with baffle plate 1-1 on the edge on the top of bucket 1.
The upper surface of rotating disk 6 is uniformly provided with friction nail 6-1.
One end of passage 2 is connected on concentrator bowl 4 by bonding way, and the other end of passage 2 is arranged on dice and stores bucket 1
Top.Closure plate 3 is inserted into the end of passage 2, and motor 5 is fixedly connected on the bottom of concentrator bowl 4, and the output shaft of motor 5
Through concentrator bowl 4, its top is connected with rotating disk 6.The bottom of support bar 7 is fixedly connected on the top of concentrator bowl 4, the top of support bar 7
End is connected with dice input cylinder 8, and plate 9 is inserted into the bottom that dice puts into cylinder 8.One end of tilted supporter 10 is connected to concentrator bowl 4
Outer wall on, the other end of tilted supporter 10 is connected with data board 11, and the top that data board 11 and dice put into cylinder 8 is connected.
Described passage 2 is connected with the tangent setting of concentrator bowl 4, and passage 2 with the inside of concentrator bowl 4, it is ensured that concentrator bowl 4
Internal dice can be slided smoothly from passage 2.
The outer surface of described concentrator bowl 4 is provided with control button 4-1, electric between described control button 4-1 and motor 5
Property connection.Control button 4-1 is by the connecting and disconnecting of controlled motor 5；Multiple ball 4- are inlaid with the inwall of the bottom of concentrator bowl 4
2, described ball 4-2 is in contact with the bottom surface of rotating disk 6, under ball 4-2 rotational support, and rotating disk 6 will be rotated smoothly.
The material that described dice stores bucket 1, passage 2, concentrator bowl 4 and dice input cylinder 8 is transparent plastic.
The quantity that described dice stores bucket 1, passage 2 and closure plate 3 respectively has two.
The bottom of described concentrator bowl 4 is connected with support base.
A kind of mathematical education demonstration device for probability application method of the utility model：
The port of passage 2 is blocked by lower plugging plate 3 first, adjustment plate 9 extend into depth in dice input cylinder 8 so that
The openings of sizes of dice input cylinder 8 bottom is adjusted；Dice is put into dice input cylinder 8, dice will be put into from dice
The bottom of cylinder 8, which is fallen down, to be entered on the rotating disk 6 inside concentrator bowl 4, presses the control button 4-1 on the outer wall of concentrator bowl 4, motor 5
Power supply will turn on, motor 5 rotate drive rotating disk 6 rotate, entering the rotating disk 6 of high-speed rotation will produce inside centrifugal force, concentrator bowl 4
Dice under the influence of centrifugal force from dice store 1 liang of wing passage 2 of bucket in enter；The cross-sectional openings size of the pipeline of passage 2
More than dice size 5-8mm, the inner wall smooth of passage 2, it is ensured that dice can be moved smoothly in passage 2, and dice is not
It can be inverted in passage 2, so that the probability of statistics is accurate, the material of passage 2 is transparent plastic, and record contributes to two
The quantity of dice in individual passage 2, so as to calculate the probability that dice is entered in each passage 2；Dice in passage 2 is counted simultaneously
Points upward, will calculate the probability of different points dices upward；Second of probability statistics demonstration will be carried out.By closure plate 3 from
And extracted out in concentrator bowl 4, dice will drop into dice and store in bucket 1 under the promotion of dice below, in passage 2, repeatedly to color
Dice is delivered in son input cylinder 8, observation dice stores the points of dice upward in bucket 1, the probability statistics for carrying out third time are drilled
Show.Probability displaying is carried out in several ways, the teaching displaying of probability can be intuitively carried out, and bandwagon effect is good, helps to carry
High classroom learning atmosphere, and then improve the quality of mathematics education.Data board 11 is used for written record, is provided for mathematical education
It is convenient.
Certainly, described above is not limitation of the utility model, and the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in essential scope of the present utility model, also belong to
In protection domain of the present utility model.
Claims (6)
1. a kind of mathematical education demonstration device for probability, including dice store bucket (1), passage (2), closure plate (3), concentrator bowl (4), electricity
Machine (5), rotating disk (6), support bar (7), dice input cylinder (8), plate (9), tilted supporter (10) and data board (11), its feature exist
In：Dice is stored and is provided with baffle plate (1-1) on the edge on bucket (1) top；
The upper surface of rotating disk (6) is uniformly provided with friction nail (6-1)；
One end of passage (2) is connected on concentrator bowl (4), and the other end of passage (2) is arranged on the top that dice stores bucket (1)；
Closure plate (3) is inserted into the end of passage (2), and motor (5) is fixedly connected on the bottom of concentrator bowl (4), and the output of motor (5)
Axle is connected with rotating disk (6) through concentrator bowl (4) its top；The bottom of support bar (7) is fixedly connected on the top of concentrator bowl (4),
The top of support bar (7) is connected with dice input cylinder (8), and plate (9) is inserted into the bottom of dice input cylinder (8)；Tilted supporter
(10) one end is connected on the outer wall of concentrator bowl (4), and the other end of tilted supporter (10) is connected with data board (11), data board
(11) top for putting into cylinder (8) with dice is connected.
2. a kind of mathematical education demonstration device for probability according to claim 1, it is characterised in that：Described passage (2) with
Concentrator bowl (4) is tangent to be set, and passage (2) is connected with the inside of concentrator bowl (4).
3. a kind of mathematical education demonstration device for probability according to claim 1, it is characterised in that：Described concentrator bowl (4)
Outer surface be provided with control button (4-1), between described control button (4-1) and motor (5) be electrically connected with；Concentrator bowl
(4) multiple balls (4-2) are inlaid with the inwall of bottom, described ball (4-2) is in contact with the bottom surface of rotating disk (6).
4. a kind of mathematical education demonstration device for probability according to claim 1, it is characterised in that：Described dice stores bucket
(1), the material of passage (2), concentrator bowl (4) and dice input cylinder (8) is transparent plastic.
5. a kind of mathematical education demonstration device for probability according to claim 1, it is characterised in that：Described dice stores bucket
(1), the quantity of passage (2) and closure plate (3) respectively has two.
6. a kind of mathematical education demonstration device for probability according to claim 1, it is characterised in that：Described concentrator bowl (4)
Bottom be connected with support base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720298896.5U CN206594898U (en) | 2017-03-26 | 2017-03-26 | A kind of mathematical education demonstration device for probability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720298896.5U CN206594898U (en) | 2017-03-26 | 2017-03-26 | A kind of mathematical education demonstration device for probability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206594898U true CN206594898U (en) | 2017-10-27 |
Family
ID=60122079
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720298896.5U Expired - Fee Related CN206594898U (en) | 2017-03-26 | 2017-03-26 | A kind of mathematical education demonstration device for probability |
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| CN (1) | CN206594898U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107798965A (en) * | 2017-11-22 | 2018-03-13 | 黄跃 | Dice agitating device is used in a kind of mathematical probabilities teaching |
| CN109215451A (en) * | 2018-10-31 | 2019-01-15 | 郑州职业技术学院 | A kind of probability event express statistic device |
| CN110335521A (en) * | 2019-07-31 | 2019-10-15 | 浙江机电职业技术学院 | A kind of mathematical probabilities apparatus for demonstrating |
| CN110610638A (en) * | 2019-10-12 | 2019-12-24 | 南阳理工学院 | Demonstration device for analyzing randomness sources through mathematical set pair and control method |
| CN111477073A (en) * | 2020-05-25 | 2020-07-31 | 西安石油大学 | Mathematical probability demonstration device |
| CN112185217A (en) * | 2020-09-30 | 2021-01-05 | 郑州航空工业管理学院 | Probability calculation demonstration equipment for mathematical education |
-
2017
- 2017-03-26 CN CN201720298896.5U patent/CN206594898U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107798965A (en) * | 2017-11-22 | 2018-03-13 | 黄跃 | Dice agitating device is used in a kind of mathematical probabilities teaching |
| CN109215451A (en) * | 2018-10-31 | 2019-01-15 | 郑州职业技术学院 | A kind of probability event express statistic device |
| CN109215451B (en) * | 2018-10-31 | 2020-10-16 | 苏州元联科技创业园管理有限公司 | Probability event rapid statistical device |
| CN110335521A (en) * | 2019-07-31 | 2019-10-15 | 浙江机电职业技术学院 | A kind of mathematical probabilities apparatus for demonstrating |
| CN110610638A (en) * | 2019-10-12 | 2019-12-24 | 南阳理工学院 | Demonstration device for analyzing randomness sources through mathematical set pair and control method |
| CN111477073A (en) * | 2020-05-25 | 2020-07-31 | 西安石油大学 | Mathematical probability demonstration device |
| CN112185217A (en) * | 2020-09-30 | 2021-01-05 | 郑州航空工业管理学院 | Probability calculation demonstration equipment for mathematical education |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20180326 |