CN108230835A - A kind of higher mathematics demonstration device for probability - Google Patents
A kind of higher mathematics demonstration device for probability Download PDFInfo
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- CN108230835A CN108230835A CN201810091002.4A CN201810091002A CN108230835A CN 108230835 A CN108230835 A CN 108230835A CN 201810091002 A CN201810091002 A CN 201810091002A CN 108230835 A CN108230835 A CN 108230835A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
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Abstract
The invention discloses a kind of higher mathematics demonstration device for probabilities of teaching aid technical field, including housing, the bottom of the housing passes through lifting gear, the bottom of the lifting gear is equipped with pedestal, transparent chamber door is hinged on the left of the housing, the top left side of the housing, which runs through, is equipped with input channel, the bottom of the input channel is socketed with agitating device, the right side of the agitating device is equipped with bend, the bottom of the bend and the intracavity bottom center of housing connect, the intracavity bottom of the bend is equipped with iron block, the top right side of the iron block is equipped with touching switch, the center of top of the iron block is equipped with spring, the top of the spring is equipped with objective table；The present invention is socketed with agitating device by the bottom in input channel, by the coin of transparent cylinder inner cavity or dice adequately shake by agitating device and upset, the accuracy higher of probability demonstration result obtained.
Description
Technical field
The present invention relates to primary school's appliance technologies, and in particular to a kind of higher mathematics demonstration device for probability.
Background technology
In the teaching of major universities and colleges, higher mathematics compare Other subjects, it is dull uninteresting the shortcomings that can not cause student
Learning interest, especially in Teaching of Probability, the dull uninteresting content of courses cannot excite the interest of student, reduce
Effect and quality of instruction are practised, at present in the teaching of probability, case is directly extracted from textbook, during explanation, is caused
Student can not imagine extract probability situation, given up the dense learning interest of student, greatly affected quality of instruction and
The learning effect of student, without one kind, directly demonstration and student intuitively watch on classroom, and ensure to carry out probabilistic experiment
The middle randomness for ensureing result, makes students aid in teaching aid and experimental provision when learning book knowledge, to deepening institute
The understanding and grasp gained knowledge are that have very big help.Based on this, the present invention devises a kind of higher mathematics demonstration device for probability, with
It solves the above problems.
Invention content
The purpose of the present invention is to provide a kind of higher mathematics demonstration device for probability, to solve to propose in above-mentioned background technology
Without the device directly demonstrated on classroom the problem of.
To achieve the above object, the present invention provides following technical solution：A kind of higher mathematics demonstration device for probability, including shell
Body, by lifting gear, the bottom of the lifting gear is equipped with pedestal, is hinged on the left of the housing for the bottom of the housing
Transparent chamber door, the top left side of the housing, which runs through, is equipped with input channel, and the bottom of the input channel is socketed with agitating device,
The right side of the agitating device is equipped with bend, and the bottom of the bend and the intracavity bottom center of housing connect, the bend
Intracavity bottom is equipped with iron block, and the top right side of the iron block is equipped with touching switch, and the center of top of the iron block is equipped with spring, institute
The top for stating spring is equipped with objective table, and the right side center of the bend, which is run through, is equipped with output channel, the right side of the output channel
Transparent bifurcated passage is socketed with, the transparent bifurcated passage includes coin pipeline and dice pipeline, and the dice pipeline is located at hard
The right side of coin pipeline, the bottom of the transparent bifurcated passage are overlapped with storage platform, and the bottom of the storage platform is equipped with sliding block, described
Sliding rail is equipped on the right side of the intracavity bottom of housing, the sliding block is slidably connected with sliding rail, and the agitating device includes transparent cylinder, electricity
Machine, turntable, electric telescopic rod, push plate, transparent cylinder, import and through-hole, the inner wall left side of the transparent cylinder are equipped with motor, institute
The right side power output terminal for stating motor is equipped with turntable, is equipped with electric telescopic rod at the right side axle center of the turntable, described electronic to stretch
The right side of contracting bar is equipped with push plate, and transparent cylinder, the transparent cylinder and transparent rolling are equipped between the top and bottom of the push plate
The top left side of cylinder, which runs through, is equipped with import, the bottom of the input channel and the inner cavity top grafting of import, the transparent tube
The right side center of body and transparent cylinder, which is run through, is equipped with through-hole, and the right side outer of the through-hole and the left side of bend connect, described
The inner cavity of through-hole is connect by magnet with objective table, and the left side of the objective table is equipped with pressure sensor, the right side of the objective table
Side is equipped with electromagnet, and the pressure sensor is electrically connected by switching circuit and electromagnet, and the electromagnet is opposite with iron block
Should, the touching switch is electrically connected by switching circuit and electromagnet, and the first card is equipped at the top and bottom of the push plate
Hook, the inner wall top and bottom left side of the transparent cylinder is equipped with the second grab, between first grab and the second grab
Clamping.
Preferably, the bottom of the housing is equipped with balance weight.
Preferably, the bottom of the pedestal is equipped with non-slip mat.
Preferably, the input channel and the transparent setting of output channel.
Preferably, annular protrusion is equipped on the right side of the inner wall of the transparent cylinder, the right side of the transparent cylinder is equipped with sliding slot,
And sliding slot is corresponding with annular protrusion.
Preferably, it is equipped with sawtooth on first grab and the second grab.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is shaken by being socketed in the bottom of input channel
The coin of transparent cylinder inner cavity or dice adequately shake and be upset by dynamic device by agitating device, the probability obtained
Result accuracy higher is demonstrated, coin or dice are carried by transparent bifurcated passage, make the apparatus for demonstrating practicability stronger, both
It can carry out throwing the demonstration of coin probability, and can carry out throwing the probability demonstration of dice, increase the interest of teaching, convenient for student
Understanding to probability, by the slip between the sliding block and sliding rail of storage platform bottom by the coin or dice in transparent bifurcated passage
Subband goes out, and convenient for the arrangement of experiment material after the completion of demonstration, saves the time.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, embodiment will be described below required
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is schematic structural view of the invention.
Fig. 2 is shake structure schematic diagram of the present invention.
Fig. 3 is push plate of the present invention and roller connection structure schematic diagram.
In attached drawing, parts list represented by the reference numerals are as follows：
1- housings, 2- lifting gears, 3- pedestals, the transparent chamber doors of 4-, 5- input channels, 6- agitating devices, 7- bends, 8- iron
Block, 9- touching switch, 10- springs, 11- objective tables, 12- output channels, the transparent bifurcated passages of 13-, 14- storage platforms, 15- are slided
Block, 16- sliding rails, the transparent cylinders of 60-, 61- motors, 62- turntables, 63- electric telescopic rods, 64- push plates, 65- transparent cylinders, 66-
Import, 67- through-holes, 110- pressure sensors, 111- electromagnet, 131- coin pipelines, 132- dice pipelines, 640- first block
Hook, the second grabs of 650-.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of higher mathematics demonstration device for probability, including housing
1, the bottom of housing 1 is by lifting gear 2, and the bottom of lifting gear 2 is equipped with pedestal 3, and the left side of housing 1 is hinged with transparent chamber door
4, the top left side of housing 1, which runs through, is equipped with input channel 5, and the bottom of input channel 5 is socketed with agitating device 6, agitating device 6
Right side is equipped with bend 7, and the bottom of bend 7 is connect with the intracavity bottom center of housing 1, and the intracavity bottom of bend 7 is equipped with iron block 8,
The top right side of iron block 8 is equipped with touching switch 9, and the center of top of iron block 8 is equipped with spring 10, and the top of spring 10 is equipped with objective table
11, the right side center of bend 7, which is run through, is equipped with output channel 12, and the right side of output channel 12 is socketed with transparent bifurcated passage 13, thoroughly
Bright bifurcated passage 13 includes coin pipeline 131 and dice pipeline 132, and dice pipeline 132 is located at the right side of coin pipeline 131, thoroughly
The bottom of bright bifurcated passage 13 is overlapped with storage platform 14, and the bottom of storage platform 14 is equipped with sliding block 15, the intracavity bottom right side of housing 1
Equipped with sliding rail 16, sliding block 15 is slidably connected with sliding rail 16, and agitating device 6 includes transparent cylinder 60, motor 61, turntable 62, electronic
Telescopic rod 63, push plate 64, transparent cylinder 65, import 66 and through-hole 67, the inner wall left side of transparent cylinder 60 are equipped with motor 61, motor
61 right side power output terminal is equipped with turntable 62, and electric telescopic rod 63, electric telescopic rod 63 are equipped at the right side axle center of turntable 62
Right side be equipped with push plate 64, transparent cylinder 65, transparent cylinder 60 and transparent cylinder 65 are equipped between the top and bottom of push plate 64
Top left side run through and be equipped with import 66, the bottom of input channel 5 and the inner cavity top grafting of import 66, transparent 60 He of cylinder
The right side center of transparent cylinder 65, which is run through, is equipped with through-hole 67, and the right side outer of through-hole 67 is connect with the left side of bend 7, through-hole 67
Inner cavity connect by magnet with objective table 11, the left side of objective table 11 is equipped with pressure sensor 110, and the right side of objective table 11 is set
There is electromagnet 111, pressure sensor 110 is electrically connected by switching circuit and electromagnet 111, and electromagnet 111 is opposite with iron block 8
Should, touching switch 9 is electrically connected by switching circuit and electromagnet 111, and the top and bottom of push plate 64 are equipped with the first grab
640, the inner wall top and bottom left side of transparent cylinder 65 is equipped with the second grab 650, the first grab 640 and the second grab 650
Between be clamped.
Wherein, the bottom of housing 1 is equipped with balance weight, and the balance of housing 1 is kept by balance weight, avoids the inclination of housing 1
Demonstration is influenced as a result, the bottom of pedestal 3 prevents pedestal 3 from occurring to slide to influence in housing 1 equipped with non-slip mat by non-slip mat
The demonstration in portion is as a result, input channel 5 and the transparent setting of output channel 12, presentation process, transparent cylinder 60 are observed convenient for whole process
Inner wall on the right side of be equipped with annular protrusion, the right side of transparent cylinder 65 is equipped with sliding slot, and sliding slot is corresponding with annular protrusion, convenient for saturating
Sawtooth is equipped on the slip of bright roller 65, the first grab 640 and the second grab 650, makes the first grab 640 and the second grab
It is more firm between 650, it prevents in the rotation process of transparent cylinder 65, occurs between the first grab 640 and the second grab 650
It loosens.
One of the present embodiment has particular application as：Within the case 1 by storage battery power supply, by lifting gear 2 by housing 1
Suitable height is adjusted, can see the demonstrative process in housing 1 convenient for all students, by coin or dice from input pipe
It throws in road 5, coin or dice enter the inner cavity of transparent cylinder 65 from import 66, and the work of motor 61 drives turntable
62 rotations, make electric telescopic rod 32 hook the second grab 650 by the first grab 640 in push plate 64 so as to drive transparent cylinder
65 rotation, transparent cylinder 65 are rotated in the inner cavity of transparent cylinder 60, and the coin or dice for making 65 inner cavity of transparent cylinder are filled
Divide to shake and come and upset at random, motor 61 is stopped, and electric telescopic rod 63 is stretched to the right, makes the hard of 65 inner cavity of transparent cylinder
Coin or dice are pressed against the left side of objective table 11, and 110 stress of pressure sensor squeezes, and makes electromagnet 111 by switching circuit
Power on, electromagnet 111, which is powered, has magnetism, and attracting by compressed spring 10 and iron block 8, coin or dice are located at this time
The top of objective table 11 when electromagnet 111 and the actuation of iron block 8, is expressed to touching switch 9, powers off electromagnet 111, spring
10 flick, and the coin or dice on objective table 11 are thrown under the action of inertia force in output channel 12, objective table 11
Since the magnet of 67 inner wall of through-hole is attracted, coin or dice enter transparent bifurcated passage from output channel 12 Taeniopygia guttata
In 13, the big coin of radius enters coin pipeline 131, and the small dice of radius is entered in dice pipeline 132, when demonstration terminates,
Open transparent chamber door 4, skidded off storage platform 14 by sliding block 15 and the slip of sliding rail 16, coin in transparent bifurcated passage 13 or
Dice storage platform 14 is taken out of, and it is convenient to arrange.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to the embodiment or example particular features, structures, materials, or characteristics described
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can close in any one or more embodiments or example
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably explain the present invention
Principle and practical application, so as to which skilled artisan be enable to be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its four corner and equivalent.
Claims (6)
1. a kind of higher mathematics demonstration device for probability, including housing (1), it is characterised in that：The bottom of the housing (1) passes through liter
Falling unit (2), the bottom of the lifting gear (2) are equipped with pedestal (3), transparent chamber door are hinged on the left of the housing (1)
(4), the top left side of the housing (1), which runs through, is equipped with input channel (5), and the bottom of the input channel (5) is socketed with shake
Device (6), the right side of the agitating device (6) are equipped with bend (7), the bottom of the bend (7) and the intracavity bottom of housing (1)
Center connection, the intracavity bottom of the bend (7) are equipped with iron block (8), and the top right side of the iron block (8) is equipped with touching switch
(9), the center of top of the iron block (8) is equipped with spring (10), and the top of the spring (10) is equipped with objective table (11), described curved
The right side center in road (7), which is run through, is equipped with output channel (12), and transparent bifurcated passage is socketed on the right side of the output channel (12)
(13), the transparent bifurcated passage (13) includes coin pipeline (131) and dice pipeline (132), dice pipeline (132) position
In the right side of coin pipeline (131), the bottom of the transparent bifurcated passage (13) is overlapped with storage platform (14), the storage platform
(14) bottom is equipped with sliding block (15), sliding rail (16) is equipped on the right side of the intracavity bottom of the housing (1), the sliding block (15) is with sliding
Rail (16) is slidably connected；
The agitating device (6) includes transparent cylinder (60), motor (61), turntable (62), electric telescopic rod (63), push plate
(64), transparent cylinder (65), import (66) and through-hole (67), the inner wall left side of the transparent cylinder (60) are equipped with motor (61),
The right side power output terminal of the motor (61) is equipped with turntable (62), and electric expansion is equipped at the right side axle center of the turntable (62)
Bar (63), the right side of the electric telescopic rod (63) are equipped with push plate (64), are equipped between the top and bottom of the push plate (64)
The top left side of transparent cylinder (65), the transparent cylinder (60) and transparent cylinder (65), which runs through, is equipped with import (66), described
The right side of the bottom of input channel (5) and the inner cavity top grafting of import (66), the transparent cylinder (60) and transparent cylinder (65)
Side center, which is run through, is equipped with through-hole (67), and the right side outer of the through-hole (67) is connect with the left side of bend (7), the through-hole
(67) inner cavity is connect by magnet with objective table (11), and the left side of the objective table (11) is equipped with pressure sensor (110), institute
The right side for stating objective table (11) is equipped with electromagnet (111), and the pressure sensor (110) passes through switching circuit and electromagnet
(111) it is electrically connected, the electromagnet (111) is corresponding with iron block (8), and the touching switch (9) passes through switching circuit and electricity
Magnet (111) is electrically connected, and the first grab (640), the transparent cylinder are equipped at the top and bottom of the push plate (64)
(65) left side is equipped with the second grab (650), first grab (640) and the second grab (650) at the top and bottom of inner wall
Between be clamped.
2. a kind of higher mathematics demonstration device for probability according to claim 1, it is characterised in that：The bottom of the housing (1)
Portion is equipped with balance weight.
3. a kind of higher mathematics demonstration device for probability according to claim 1, it is characterised in that：The bottom of the pedestal (3)
Portion is equipped with non-slip mat.
4. a kind of higher mathematics demonstration device for probability according to claim 1, it is characterised in that：The input channel (5)
With the transparent setting of output channel (12).
5. a kind of higher mathematics demonstration device for probability according to claim 1, it is characterised in that：The transparent cylinder (60)
Inner wall on the right side of be equipped with annular protrusion, the right side of the transparent cylinder (65) is equipped with sliding slot, and sliding slot is corresponding with annular protrusion.
6. a kind of higher mathematics demonstration device for probability according to claim 1, it is characterised in that：First grab
(640) and on the second grab (650) it is equipped with sawtooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810091002.4A CN108230835A (en) | 2018-01-30 | 2018-01-30 | A kind of higher mathematics demonstration device for probability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810091002.4A CN108230835A (en) | 2018-01-30 | 2018-01-30 | A kind of higher mathematics demonstration device for probability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108230835A true CN108230835A (en) | 2018-06-29 |
Family
ID=62669887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810091002.4A Pending CN108230835A (en) | 2018-01-30 | 2018-01-30 | A kind of higher mathematics demonstration device for probability |
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| Country | Link |
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| CN (1) | CN108230835A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108877413A (en) * | 2018-07-23 | 2018-11-23 | 柴明 | Sieve shaking device for mathematical probability 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 |
| CN110533995A (en) * | 2019-09-03 | 2019-12-03 | 盐城师范学院 | A kind of applied mathematics probability statistics compiling device |
| CN111261003A (en) * | 2020-02-26 | 2020-06-09 | 菏泽学院 | Probability demonstration device for mathematical teaching |
| CN112201123A (en) * | 2020-11-20 | 2021-01-08 | 烟台职业学院 | Probability demonstration device |
-
2018
- 2018-01-30 CN CN201810091002.4A patent/CN108230835A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108877413A (en) * | 2018-07-23 | 2018-11-23 | 柴明 | Sieve shaking device for mathematical probability 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 |
| CN110533995A (en) * | 2019-09-03 | 2019-12-03 | 盐城师范学院 | A kind of applied mathematics probability statistics compiling device |
| CN111261003A (en) * | 2020-02-26 | 2020-06-09 | 菏泽学院 | Probability demonstration device for mathematical teaching |
| CN112201123A (en) * | 2020-11-20 | 2021-01-08 | 烟台职业学院 | Probability demonstration device |
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Application publication date: 20180629 |
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