CN208722440U - A kind of Students ' Mathematics Study demonstration device for probability - Google Patents
A kind of Students ' Mathematics Study demonstration device for probability Download PDFInfo
- Publication number
- CN208722440U CN208722440U CN201820553495.4U CN201820553495U CN208722440U CN 208722440 U CN208722440 U CN 208722440U CN 201820553495 U CN201820553495 U CN 201820553495U CN 208722440 U CN208722440 U CN 208722440U
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- China
- Prior art keywords
- probability
- support rod
- disc
- students
- cable
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Abstract
The utility model discloses a kind of Students ' Mathematics Study demonstration device for probabilities, including support rod, fixing sleeve is installed at the top of the support rod, bracket is installed above the fixing sleeve, one end of the bracket is equipped with control panel, the inside of the bracket is equipped with the second cable, pointer is installed on the mounting rod, infrared scanner is installed on the inside of the pointer, internal layer on the probability demonstrating disc is equipped with induction zone, outer layer on the probability demonstrating disc is equipped with digital marking-up area, the inside two sides of the induction zone are equipped with inductive signal transmitter, first cable is installed on the infrared scanner.The utility model is equipped with probability demonstrating disc, and probability demonstrating disc is mounted on support rod, and supporting leg is equipped with below support rod, and telescopic rod is equipped on supporting leg, height of probability demonstrating disc can be adjusted by it, is easy to use.
Description
Technical field
The utility model relates to demonstration device for probability field, specifically a kind of Students ' Mathematics Study demonstration device for probability.
Background technique
Demonstration: by some modes and tool, information is communicated to other people.It is a kind of behavior that information is conveyed, benefit
The process that the process of things is shown with experiment or in kind, tool allows people to recognize or understand, teacher to student by demonstrating
The material object and vivid description object in kind of organism, the method for propagating Biological Knowledge, referred to as teaching demonstration method.Teacher should basis
The content of courses correctly and reasonably selects intuitional mean, and learns the method for carrying out teaching demonstration with various intuitional means,
Teaching efficiency is improved, probability, also known as probability, chance rate, probability (probability) or possibility, are the basic conception of probability theory.Generally
Rate is measurement a possibility that chance event occurs, what one event of real number representation generally with one between 0 to 1 occurred
Possibility size.Closer to 1, which is more likely to occur；Closer to 0, then the event unlikely occurs.It has often been said that someone
Have percent how many assurance can by specifically taking an examination, something occur a possibility that be how many, this is all the example of probability.
A kind of appearance of Students ' Mathematics Study demonstration device for probability greatly facilitates probability demonstration, but the current stage
There are many shortcomings for a kind of Students ' Mathematics Study demonstration device for probability, for example, demonstrating effect is not intuitive enough, it has not been convenient to
It uses, the degree of automation is low.
Utility model content
The purpose of this utility model is to provide a kind of Students ' Mathematics Study demonstration device for probabilities, to solve the prior art
In demonstrating effect it is not intuitive enough, it has not been convenient to use, the low problem of the degree of automation.
To achieve the above object, the utility model provides the following technical solutions: a kind of Students ' Mathematics Study is demonstrated with probability
Device, including support rod are equipped with fixing sleeve at the top of the support rod, bracket are equipped with above the fixing sleeve, described
One end of bracket is equipped with control panel, and the inside of the bracket is equipped with the second cable, is equipped with below the support rod
Telescopic rod is equipped with supporting leg below the telescopic rod, and the side of the supporting leg is provided with mounting hole, the supporting leg
Bottom end is equipped with support plate by hinge, and the bottom end of the support plate is equipped with pedestal, is equipped at the upper side of the pedestal
Upright bar, the top of the upright bar, which is equipped with, inlays head, and the bottom end of the supporting leg is equipped with pedestal, the side peace of the support rod
Equipped with axle sleeve, rotation axis is installed on the axle sleeve, probability demonstrating disc, one end of the rotation axis are installed in the rotation axis
Mounting rod is installed, pointer is installed on the mounting rod, infrared scanner is installed on the inside of the pointer, the probability is drilled
Show that the internal layer on disk is equipped with induction zone, the outer layer on the probability demonstrating disc is equipped with digital marking-up area, the induction zone
Internal two sides are equipped with inductive signal transmitter, and the first cable is equipped on the infrared scanner.
Preferably, the mounting rod and rotation axis are disposed as hollow structure, and the first cable passes through mounting rod and rotation
Axis is connect with the second cable.
Preferably, the digital marking-up area and induction zone are provided with six pieces, and six block number word marking-up areas and six pieces of inductions
Area corresponds to each other.
Preferably, the infrared scanner is corresponding with induction zone, and infrared scanner output end and control panel input terminal
It is electrically connected.
Compared with prior art, the utility model has the beneficial effects that the utility model is equipped with probability demonstrating disc, and general
Rate demonstration board is mounted on support rod, and supporting leg is equipped with below support rod, and telescopic rod is equipped on supporting leg, passes through it
The height of probability demonstrating disc can be adjusted, be easy to use, induction zone is installed on probability demonstrating disc, is pacified on pointer
Equipped with infrared scanner, and infrared scanner is corresponding with induction zone, can detect probability automatically by it, and pass through control plane
Plate is converted into number automatically, and shows, increases the intuitive of display.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the side view of the utility model.
Fig. 3 is the structural schematic diagram of the induction zone of the utility model.
In figure: 1- control panel, 2- bracket, 3- probability demonstrating disc, 4- number marking-up area, 5- telescopic rod, 6- supporting leg, 7-
Mounting plate, 8- mounting rod, the first cable of 9-, 10- pointer, 11- induction zone, 12- pedestal, the second cable of 13-, 14- fixing sleeve,
15- support rod, 16- axle sleeve, 17- rotation axis, 18- infrared scanner, 19- inductive signal transmitter, 20- mounting hole, 21- hinge
Chain, 22- support plate, 23- carrying handle, 24- inlay head, 25- upright bar.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~3, in the utility model embodiment, a kind of Students ' Mathematics Study demonstration device for probability, including branch
Strut 15, the top of support rod 15 are equipped with fixing sleeve 14, and the top of fixing sleeve 14 is equipped with bracket 2, and bracket 2 is used to fixed control
Panel 1 processed, one end of bracket 2 are equipped with control panel 1, and control panel 1 is used to carry out automatically controlling apparatus for demonstrating, bracket 2
Inside the second cable 13 is installed, the lower section of support rod 15 is equipped with telescopic rod 5, the adjustable probability demonstrating disc 3 of telescopic rod 5
Height, the lower section of telescopic rod 5 is equipped with supporting leg 6, and the side of supporting leg 6 is provided with mounting hole 20, and the bottom end of supporting leg 6 is logical
It crosses hinge 21 and support plate 22 is installed, the bottom end of support plate 22 is equipped with pedestal 12, and the upper side of pedestal 12 is equipped with upright bar
25, the top of upright bar 25, which is equipped with, inlays first 24, and the side of support rod 15 is equipped with axle sleeve 16, is equipped with rotation axis on axle sleeve 16
17, probability demonstrating disc 3 is installed, probability demonstrating disc 3 is used to demonstrate probability, one end peace of rotation axis 17 in rotation axis 17
Equipped with mounting rod 8, pointer 10 is installed on mounting rod 8, the inside of pointer 10 is equipped with infrared scanner 18, infrared scanner 18
For detecting to induction zone 11, the internal layer on probability demonstrating disc 3 is equipped with induction zone 11, the outer layer on probability demonstrating disc 3
Digital marking-up area 4 is installed, the inside two sides of induction zone 11 are equipped with inductive signal transmitter 19, and inductive signal transmitter 19 is used
It issues the line of induction, forms induction zone 11, first cable 9 is installed on infrared scanner 18, mounting rod 8 is all provided with rotation axis 17
It is set to hollow structure, and the first cable 9 passes through mounting rod 8 and connect with rotation axis 17 with the second cable 13, digital marking-up area 4 and sense
Area 11 is answered to be provided with six pieces, and six block number word marking-up areas 4 are corresponded to each other with six pieces of induction zones 11, infrared scanner 18 and induction
Area 11 is corresponding, and 18 output end of infrared scanner and 1 input terminal of control panel are electrically connected.
The working principle of the utility model is: the equipment is when in use, it is right to control digital marking-up area 4 by control panel 1
Inductive signal transmitter 19 in the induction zone 11 answered is opened, then by rotation probability demonstrating disc 3, at 3 turns of probability demonstrating disc
After dynamic stopping, by the induction zone 11 in the corresponding digital marking-up area 4 of the detection of infrared scanner 18 of the inside of pointer 10, if in probability
Demonstration board 3 detects induction zone 11 when stopping, then is uploaded in control panel 1 by the first cable 9 and the second cable 13, with this
Mode controls probability demonstrating disc 3 and rotates repeatedly, then calculates probability by control panel 1, displayed on by number.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (4)
1. a kind of Students ' Mathematics Study demonstration device for probability, including support rod (15), it is characterised in that: the support rod (15)
Top be equipped with fixing sleeve (14), be equipped with bracket (2) above the fixing sleeve (14), one end of the bracket (2) peace
Equipped with control panel (1), the inside of the bracket (2) is equipped with the second cable (13), the lower section installation of the support rod (15)
Have telescopic rod (5), be equipped with supporting leg (6) below the telescopic rod (5), the side of the supporting leg (6) is provided with installation
The bottom end in hole (20), the supporting leg (6) is equipped with support plate (22) by hinge (21), the bottom end peace of the support plate (22)
It equipped with pedestal (12), is equipped with upright bar (25) at the upper side of the pedestal (12), the top of the upright bar (25) is equipped with edge
The side of embedding head (24), the support rod (15) is equipped with axle sleeve (16), and the other side of the support rod (15) is equipped with handle
(23), it is equipped with rotation axis (17) on the axle sleeve (16), is equipped with probability demonstrating disc (3) on the rotation axis (17), it is described
One end of rotation axis (17) is equipped with mounting rod (8), is equipped with pointer (10) on the mounting rod (8), the pointer (10)
Inside is equipped with infrared scanner (18), and the internal layer on the probability demonstrating disc (3) is equipped with induction zone (11), and the probability is drilled
Show that the outer layer on disk (3) is equipped with digital marking-up area (4), the inside two sides of the induction zone (11) are equipped with inductive signal transmitting
Device (19) is equipped with the first cable (9) on the infrared scanner (18).
2. a kind of Students ' Mathematics Study demonstration device for probability according to claim 1, it is characterised in that: the mounting rod
(8) hollow structure is disposed as with rotation axis (17), and the first cable (9) passes through mounting rod (8) and rotation axis (17) and second
Cable (13) connection.
3. a kind of Students ' Mathematics Study demonstration device for probability according to claim 1, it is characterised in that: the number mark
Block (4) and induction zone (11) are provided with six pieces, and six block number word marking-up areas (4) are corresponded to each other with six pieces of induction zones (11).
4. a kind of Students ' Mathematics Study demonstration device for probability according to claim 1, it is characterised in that: described infrared to sweep
It is corresponding with induction zone (11) to retouch device (18), and infrared scanner (18) output end and control panel (1) input terminal are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820553495.4U CN208722440U (en) | 2018-04-18 | 2018-04-18 | A kind of Students ' Mathematics Study demonstration device for probability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820553495.4U CN208722440U (en) | 2018-04-18 | 2018-04-18 | A kind of Students ' Mathematics Study demonstration device for probability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208722440U true CN208722440U (en) | 2019-04-09 |
Family
ID=65969882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820553495.4U Expired - Fee Related CN208722440U (en) | 2018-04-18 | 2018-04-18 | A kind of Students ' Mathematics Study demonstration device for probability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208722440U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903651A (en) * | 2019-04-22 | 2019-06-18 | 重庆三峡学院 | A kind of higher mathematics demonstration device for probability |
| CN111508303A (en) * | 2020-04-29 | 2020-08-07 | 重庆科技学院 | Mathematical simulation demonstration device and method under probability statistics theory |
-
2018
- 2018-04-18 CN CN201820553495.4U patent/CN208722440U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903651A (en) * | 2019-04-22 | 2019-06-18 | 重庆三峡学院 | A kind of higher mathematics demonstration device for probability |
| CN111508303A (en) * | 2020-04-29 | 2020-08-07 | 重庆科技学院 | Mathematical simulation demonstration device and method under probability statistics theory |
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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: 20190409 Termination date: 20200418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |