CN206421701U - A kind of College Maths Probability Teaching apparatus for demonstrating - Google Patents
A kind of College Maths Probability Teaching apparatus for demonstrating Download PDFInfo
- Publication number
- CN206421701U CN206421701U CN201720098784.5U CN201720098784U CN206421701U CN 206421701 U CN206421701 U CN 206421701U CN 201720098784 U CN201720098784 U CN 201720098784U CN 206421701 U CN206421701 U CN 206421701U
- Authority
- CN
- China
- Prior art keywords
- electromagnet
- rotating shaft
- groove
- base
- demonstrating
- Prior art date
- 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.)
- Expired - Fee Related
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- Instructional Devices (AREA)
- Electrically Operated Instructional Devices (AREA)
Abstract
The utility model discloses a kind of College Maths Probability Teaching apparatus for demonstrating, belong to technical field of teaching instruments.The device includes base, the upper surface central part of base is provided with rotating shaft, rotating shaft and motor drive connection, rotating shaft are vertically provided with multiple first grooves, and multiple first grooves are uneven to be set, dividing plate is connected with each first groove, detachably it is arranged with base on the inside of transparent cylinder, the upper surface of transparent cylinder and is provided with electromagnet, the lower surface of electromagnet is provided with equally distributed multiple second grooves, it is provided with iron demonstration ball in second groove, motor and electromagnet are and power electric connection.Apparatus structure of the present utility model is simple, novel, and the educational work of mathematical probabilities knowledge can be carried out well, greatly attracts the notice of student, improves learning initiative, improves learning efficiency.
Description
Technical field
The utility model is related to technical field of teaching instruments, and in particular to a kind of College Maths Probability Teaching apparatus for demonstrating.
Background technology
During mathematical education, because mathematical knowledge is more abstract, student, which understands, gets up relatively elaborate.Know in learning probability
During knowledge, if it is desired to vivider specifically displaying awards knowledge, it is necessary to by some instructional devices.Probability statistics of the prior art
Educational devices structure is not novel enough, it is difficult to cause the learning interest of student, so as to cause to understand that efficiency is low, grasps knowledge loosely
Gu.
Therefore the College Maths Probability Teaching apparatus for demonstrating for designing a kind of very attractive has great practical value.
Utility model content
The utility model provides a kind of College Maths Probability Teaching apparatus for demonstrating, can solve of the prior art above-mentioned ask
Topic.
The utility model provides a kind of College Maths Probability Teaching apparatus for demonstrating, including：Base, the upper end of the base
Face central part is provided with rotating shaft, the rotating shaft and motor drive connection, and the rotating shaft is vertically provided with multiple first grooves, described
Multiple first grooves are uneven to be set, and is connected with dividing plate, the base and is detachably arranged with each first groove
Electromagnet is provided with the inside of transparent cylinder, the upper surface of the transparent cylinder, the lower surface of the electromagnet is provided with equally distributed
Multiple second grooves, are provided with iron demonstration ball in second groove, and the motor and electromagnet are and power electric connection.
It is preferred that the transparent cylinder is plastic products.
Compared with prior art, the beneficial effects of the utility model are：Apparatus structure of the present utility model is simple, novel,
The educational work of mathematical probabilities knowledge can be carried out well, greatly attracts the notice of student, learning initiative is improved, and improved
Learning efficiency.
Brief description of the drawings
The structural representation that Fig. 1 provides for the utility model；
Fig. 2 is the top view of clamping dividing plate in rotating shaft；
Fig. 3 is the bottom surface structure schematic diagram of electromagnet.
Description of reference numerals：
1. base, 2. rotating shafts, the grooves of 2-1. first, 3. dividing plates, 4. transparent cylinders, 5. electromagnet, the grooves of 5-1. second, 6.
Iron demonstration ball.
Embodiment
1-3, embodiment of the present utility model is described in detail, it is to be understood that this reality below in conjunction with the accompanying drawings
Do not limited with new protection domain by embodiment.Based on the embodiment in the utility model, this area is common
The every other embodiment that technical staff is obtained on the premise of creative work is not made, belongs to the utility model guarantor
The scope of shield.
As shown in figure 1, a kind of College Maths Probability Teaching apparatus for demonstrating that the utility model is provided, including：Base 1, institute
The upper surface central part for stating base 1 is provided with rotating shaft 2, the rotating shaft 2 and motor drive connection, and the rotating shaft 2 is vertically provided with
Multiple first groove 2-1, the multiple first groove 2-1 are uneven to be set, be connected with each first groove 2-1 every
Detachably it is arranged with plate 3, the base 1 on the inside of transparent cylinder 4, the upper surface of the transparent cylinder 4 and is provided with electromagnet 5, institute
The lower surface for stating electromagnet 5 is provided with equally distributed multiple second groove 5-1, the second groove 5-1 provided with iron demonstration
Ball 6, the motor and electromagnet 5 and power electric connection.Second groove 5-1's is shaped as hemispherical, is more conveniently put into
One spheroid 6-1.Wherein, multiple first groove 2-1 are uneven is set, for example, can set three the first groove 2-1, each card
Dividing plate 3 is connected, the angle between them can be arranged to 60 degree, 120 degree, 180 degree.It is 1 for demonstrating base area ratio:2:
The quantity of the iron demonstration ball 6 dropped in 3 individual region, so as to find out the rule and conclusion of dependent probability knowledge.
Operation principle：After the power supply for connecting electromagnet 5, iron demonstration ball 6 is adsorbed the second groove 5-1 in electromagnet 5
It is interior.When being demonstrated using the present apparatus, rotating shaft 2 is rotated, close electromagnet 5, multiple iron demonstration balls 6 is dropped, statistics is fallen
Enter the quantity of the iron demonstration ball 6 between dividing plate 3, and then learning mathematicses probabilistic knowledge.
In addition, multiple first groove 2-1 can also be uniformly arranged, then certain several insertion dividing plate 3 of selectivity, demonstrate different
Ratio probability event.If base 1 is circular, the length of dividing plate 3 is slightly less than the radius of base 1, ensure that iron drill
Show that ball 6 will not run out between dividing plate 3.
Alternatively, the transparent cylinder 4 is plastic products, and manufacturing cost is low, light weight.
Apparatus structure of the present utility model is simple, novel, and the educational work of mathematical probabilities knowledge, pole can be carried out well
The notice of big attraction student, improves learning initiative, improves learning efficiency.
Claims (2)
1. a kind of College Maths Probability Teaching apparatus for demonstrating, it is characterised in that including：Base (1), the upper end of the base (1)
Face central part is provided with rotating shaft (2), the rotating shaft (2) and motor drive connection, and the rotating shaft (2) is vertically provided with multiple first
Dividing plate is connected with groove (2-1), the uneven setting of the multiple first groove (2-1), each first groove (2-1)
(3), detachably it is arranged with the base (1) on the inside of transparent cylinder (4), the upper surface of the transparent cylinder (4) and is provided with electromagnetism
Iron (5), the lower surface of the electromagnet (5) is provided with equally distributed multiple second grooves (5-1), second groove (5-1)
It is interior provided with it is iron demonstration ball (6), the motor and electromagnet (5) and power electric connection.
2. College Maths Probability Teaching apparatus for demonstrating as claimed in claim 1, it is characterised in that the transparent cylinder (4) is
Plastic products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720098784.5U CN206421701U (en) | 2017-01-23 | 2017-01-23 | A kind of College Maths Probability Teaching apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720098784.5U CN206421701U (en) | 2017-01-23 | 2017-01-23 | A kind of College Maths Probability Teaching apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206421701U true CN206421701U (en) | 2017-08-18 |
Family
ID=59569981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720098784.5U Expired - Fee Related CN206421701U (en) | 2017-01-23 | 2017-01-23 | A kind of College Maths Probability Teaching apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206421701U (en) |
-
2017
- 2017-01-23 CN CN201720098784.5U patent/CN206421701U/en not_active Expired - Fee Related
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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: 20170818 Termination date: 20180123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |