CN205068916U - Teaching aid is demonstrated to probability for mathematics - Google Patents
Teaching aid is demonstrated to probability for mathematics Download PDFInfo
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- CN205068916U CN205068916U CN201520872330.XU CN201520872330U CN205068916U CN 205068916 U CN205068916 U CN 205068916U CN 201520872330 U CN201520872330 U CN 201520872330U CN 205068916 U CN205068916 U CN 205068916U
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Abstract
The utility model discloses a teaching aid is demonstrated to probability for mathematics, including controller, frame, operation platform and demonstration bucket, the frame includes two montants, base and horizontal poles, two the vertical setting of montant on the base, two the montant is kept away from the one end of base and is passed through the horizontal pole connection, the vertical telescopic link that is equipped with of lower extreme of horizontal pole, be equipped with drive arrangement in the telescopic link, two be equipped with operation platform between the montant, operation platform's upper end is equipped with the demonstration bucket, the upper end of demonstration bucket is equipped with the round hole, the end of telescopic link runs through the round hole and extends to in the demonstration bucket, the end of telescopic link is equipped with the electro -magnet, be provided with the iron coin in the demonstration bucket, one side that the montant is close to the demonstration bucket is equipped with the fixed block. The device can demonstrate repeatedly and throw away iron coin experiment, saves the run time, and whole process is by machine operation, and is simple and convenient, can observations experimental result directly perceived, and it is direct effective, be fit for the popularization.
Description
Technical field
The utility model relates to mathematics probability demonstration teaching aid technical field, particularly relates to a kind of mathematics probability demonstration teaching aid.
Background technology
Probability is the concept of the rule definition that people occur according to random occurrence, be difficult to be understood by classmates and convince, so need to coordinate simple probability lecture experiment result to help classmates to understand, the probability lecture experiment the most often done throws away coin experiment exactly, through repeatedly throwing away coin, the one side probability upwards obtaining coin is 1/2nd, repeatedly coin to be picked up in presentation process at present and throw again, coin is far away through what often can roll after landing, extremely expend muscle power, also lose time, people comparatively bothers for coin of tossing, we devise a kind of mathematics probability demonstration teaching aid for this reason, be used for solving the problem.
Utility model content
The purpose of this utility model is to solve the shortcoming existed in prior art, and a kind of mathematics probability demonstration teaching aid proposed.
To achieve these goals, the utility model have employed following technical scheme:
A kind of mathematics probability demonstration teaching aid, comprise controller, framework, operating platform and demonstration bucket, described framework comprises two montants, base and cross bar, two described montants are vertically arranged on base, two described montants are connected by cross bar away from one end of base, the lower end of described cross bar is vertically provided with expansion link, drive unit is provided with in described expansion link, operating platform is provided with between two described montants, the upper end of described operating platform is provided with demonstration bucket, the upper end of described demonstration bucket is provided with circular hole, the end of described expansion link runs through circular hole and extends in demonstration bucket, the end of described expansion link is provided with electromagnet, iron coin is provided with in described demonstration bucket, described montant is provided with fixed block near the side of demonstration bucket, described fixed block surface thereof is provided with vision sensor, the side of described operating platform is provided with display and control knob from top to bottom successively, controller is provided with in described operating platform, described controller is electrically connected drive unit respectively, vision sensor, electromagnet, display and control knob.
Preferably, described electromagnet is cylindrical, and the diameter of electromagnet is not more than the diameter of demonstration bucket.
Preferably, the ladle body of described demonstration bucket adopts transparent material.
Preferably, the corner, bottom of described base is provided with universal wheel.
In the utility model, by the electromagnet after energising in demonstration bucket, iron coin is held, by expansion link, electromagnet is elevated to demonstration bucket inner top again, again by electromagnet power-off, iron coin falls down from the top in demonstration bucket, simulation people is iron coin of tossing, again by the pros and cons of vision sensor record iron coin, show over the display, iron coin number of times of tossing can also be set in action button, this device repeatedly can be demonstrated and throw away iron coin experiment, save experimental period, whole process is by machine operation, simple and convenient, can direct vision experimental result, directly effectively, be applicable to promoting.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of mathematics probability demonstration teaching aid that the utility model proposes;
Fig. 2 is the side view of a kind of mathematics probability demonstration teaching aid that the utility model proposes.
In figure: 1 base, 2 control knobs, 3 displays, 4 montants, 5 electromagnet, 6 demonstration bucket, 7 expansion links, 8 cross bars, 9 fixed blocks, 10 vision sensors, 11 iron coins, 12 operating platforms.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
With reference to Fig. 1-2, a kind of mathematics probability demonstration teaching aid, comprise controller, framework, operating platform 12 and demonstration bucket 6, framework comprises two montants 4, base 1 and cross bar 8, two montants 4 are vertically arranged on base 1, two montants 4 are connected by cross bar 8 away from one end of base 1, the lower end of cross bar 8 is vertically provided with expansion link 7, drive unit is provided with in expansion link 7, be used for driving expansion link 7 to stretch, operating platform 12 is provided with between two montants 4, the upper end of operating platform 12 is provided with demonstration bucket 6, the upper end of demonstration bucket 6 is provided with circular hole, the end of expansion link 7 runs through circular hole and extends in demonstration bucket 6, the end of expansion link 7 is provided with electromagnet 5, iron coin 11 is provided with in demonstration bucket 6, by electromagnet 5, iron coin is held, iron coin 11 falls down from the top in demonstration bucket 6, simulation people is iron coin 11 of tossing, montant 4 is provided with fixed block 9 near the side of demonstration bucket 6, fixed block 9 surface thereof is provided with vision sensor 10, the side of operating platform 12 is provided with display 3 and control knob 2 from top to bottom successively, controller is provided with in operating platform, controller is electrically connected drive unit respectively, vision sensor 10, electromagnet 5, display 3 and control knob 2, the pros and cons of iron coin 11 is recorded by vision sensor 10, shown on the display 3 by controller and record, the number of times of iron coin 11 of tossing can also be set in action button 2.
Electromagnet 5 is cylindrical, and the diameter of electromagnet 5 is not more than the diameter of demonstration bucket 6, conveniently moves up and down in demonstration bucket 6.
The ladle body of demonstration bucket 6 adopts transparent material, facilitates vision sensor 10 to record the pros and cons of iron coin 11.
The corner, bottom of base 1 is provided with universal wheel, is conveniently moved by this device.
By drive unit, expansion link 7 is stretched out, the electromagnet 5 in demonstration bucket 6 after energising is driven to move down, by electromagnet 5, iron coin is held, by expansion link 7, electromagnet 5 is elevated to demonstration bucket 6 inner top again, again by electromagnet 5 power-off, iron coin 11 falls down from the top in demonstration bucket 6, simulation people is iron coin 11 of tossing, the pros and cons of iron coin 11 is recorded again by vision sensor 10, shown on the display 3 by controller and record, the number of times of iron coin 11 of tossing can also be set in action button 2, simple and convenient.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (4)
1. a mathematics probability demonstration teaching aid, comprise controller, framework, operating platform (12) and demonstration bucket (6), it is characterized in that, described framework comprises two montants (4), base (1) and cross bar (8), two described montants (4) are vertically arranged on base (1), two described montants (4) pass through cross bar (8) connection away from one end of base (1), the lower end of described cross bar (8) is vertically provided with expansion link (7), described expansion link is provided with drive unit in (7), operating platform (12) is provided with between two described montants (4), the upper end of described operating platform (12) is provided with demonstration bucket (6), the upper end of described demonstration bucket (6) is provided with circular hole, the end of described expansion link (7) runs through circular hole and extends in demonstration bucket (6), the end of described expansion link (7) is provided with electromagnet (5), iron coin (11) is provided with in described demonstration bucket (6), described montant (4) is provided with fixed block (9) near the side of demonstration bucket (6), described fixed block (9) surface thereof is provided with vision sensor (10), the side of described operating platform (12) is provided with display (3) and control knob (2) from top to bottom successively, controller is provided with in described operating platform, described controller is electrically connected drive unit respectively, vision sensor (10), electromagnet (5), display (3) and control knob (2).
2. a kind of mathematics probability demonstration teaching aid according to claim 1, it is characterized in that, described electromagnet (5) is cylindrical, and the diameter of electromagnet (5) is not more than the diameter of demonstration bucket (6).
3. a kind of mathematics probability demonstration teaching aid according to claim 1, is characterized in that, the ladle body of described demonstration bucket (6) adopts transparent material.
4. a kind of mathematics probability demonstration teaching aid according to claim 1, it is characterized in that, the corner, bottom of described base (1) is provided with universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872330.XU CN205068916U (en) | 2015-11-05 | 2015-11-05 | Teaching aid is demonstrated to probability for mathematics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872330.XU CN205068916U (en) | 2015-11-05 | 2015-11-05 | Teaching aid is demonstrated to probability for mathematics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205068916U true CN205068916U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520872330.XU Expired - Fee Related CN205068916U (en) | 2015-11-05 | 2015-11-05 | Teaching aid is demonstrated to probability for mathematics |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409071A (en) * | 2016-09-19 | 2017-02-15 | 安徽理工大学 | Mathematical probability operation device for coin-toss experiment and control system of the mathematical probability operation device |
| CN106935105A (en) * | 2017-03-21 | 2017-07-07 | 南宁市黑晶信息技术有限公司 | A kind of portable mathematical probabilities demonstration device |
| CN107067894A (en) * | 2017-03-15 | 2017-08-18 | 南阳理工学院 | A kind of higher mathematics demonstration device for probability |
| CN107146502A (en) * | 2017-07-17 | 2017-09-08 | 山东交通学院 | Mathematical probabilities apparatus for demonstrating |
| CN108230834A (en) * | 2018-01-25 | 2018-06-29 | 黄淮学院 | A kind of higher mathematics demonstration device for probability |
| CN108597318A (en) * | 2018-05-08 | 2018-09-28 | 赵卉旭 | A kind of student learns to use demonstration device for probability |
| CN108766130A (en) * | 2018-05-18 | 2018-11-06 | 南阳理工学院 | A kind of applied mathematics probabilistic method and device |
| CN109215452A (en) * | 2018-11-06 | 2019-01-15 | 嘉兴学院 | A kind of simulating demonstration teaching aid for mathematics |
-
2015
- 2015-11-05 CN CN201520872330.XU patent/CN205068916U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409071B (en) * | 2016-09-19 | 2018-09-25 | 安徽理工大学 | One kind throwing coin experiment mathematical probabilities arithmetic facility and its control system |
| CN106409071A (en) * | 2016-09-19 | 2017-02-15 | 安徽理工大学 | Mathematical probability operation device for coin-toss experiment and control system of the mathematical probability operation device |
| CN107067894A (en) * | 2017-03-15 | 2017-08-18 | 南阳理工学院 | A kind of higher mathematics demonstration device for probability |
| CN107067894B (en) * | 2017-03-15 | 2018-10-19 | 南阳理工学院 | A kind of higher mathematics demonstration device for probability |
| CN106935105A (en) * | 2017-03-21 | 2017-07-07 | 南宁市黑晶信息技术有限公司 | A kind of portable mathematical probabilities demonstration device |
| CN107146502B (en) * | 2017-07-17 | 2019-03-08 | 山东交通学院 | Mathematical probabilities apparatus for demonstrating |
| CN107146502A (en) * | 2017-07-17 | 2017-09-08 | 山东交通学院 | Mathematical probabilities apparatus for demonstrating |
| CN108230834A (en) * | 2018-01-25 | 2018-06-29 | 黄淮学院 | A kind of higher mathematics demonstration device for probability |
| CN108597318A (en) * | 2018-05-08 | 2018-09-28 | 赵卉旭 | A kind of student learns to use demonstration device for probability |
| CN108597318B (en) * | 2018-05-08 | 2020-05-05 | 赵卉旭 | Probability presentation device for student learning |
| CN108766130A (en) * | 2018-05-18 | 2018-11-06 | 南阳理工学院 | A kind of applied mathematics probabilistic method and device |
| CN108766130B (en) * | 2018-05-18 | 2023-09-08 | 南阳理工学院 | Statistical method and device for applying mathematical probability |
| CN109215452A (en) * | 2018-11-06 | 2019-01-15 | 嘉兴学院 | A kind of simulating demonstration teaching aid for mathematics |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20161105 |