CN113160668B - Touch screen type mathematical statistics demonstrator - Google Patents
Touch screen type mathematical statistics demonstrator Download PDFInfo
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- CN113160668B CN113160668B CN202110482747.5A CN202110482747A CN113160668B CN 113160668 B CN113160668 B CN 113160668B CN 202110482747 A CN202110482747 A CN 202110482747A CN 113160668 B CN113160668 B CN 113160668B
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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 touch screen type mathematical statistics demonstrator, which comprises a box body, wherein a ball inlet pipe is arranged on the upper surface of the box body, a counting device is arranged on the ball inlet pipe, a ball inlet channel is arranged at the upper port of the ball inlet pipe, the lower port of the ball inlet pipe is communicated with an experiment cavity in the box body, a plurality of recovery channels distributed in a circular array are also arranged in the box body, the upper port of the recovery channels is communicated with the experiment cavity, the lower port of the recovery channels is communicated with a ball outlet channel, and a screening mechanism is arranged at the upper port of the recovery channels; the screening mechanism comprises a sector baffle, a rotating shaft, a pressure sensor, an electromagnet and a magnet, and the sector baffle is movably connected with the box body; the fan-shaped baffle is provided with an electromagnet and a pressure sensor, the electromagnet is connected with the pressure sensor, the pressure sensor is connected with the processor, the magnet is arranged in the box body, and a conveying mechanism is arranged at the outer side of the box body. According to the method, the moving direction of the ball body can be counted in a mode that the ball body touches the pressure sensor, and the probability of the random moving direction of the ball body is recorded and calculated.
Description
Technical Field
The invention belongs to the technical field of mathematical education equipment, and particularly relates to a touch screen type mathematical statistics demonstrator.
Background
The probability is a measure reflecting the likelihood of occurrence of a random event. Random events refer to events that may or may not occur under the same conditions. The probability has more theories and formulas, is complex and abstract, is obscure and is understood, and a teacher can verify the theory by using a teaching aid in an experimental mode in order to facilitate the understanding of memory of students and increase the interest of the students.
The probability simulation experiment teaching aid that uses at present mainly focuses on throwing the coin, throws the probability simulation experiment teaching aid of dice, lacks a teaching aid that can calculate the sphere random motion probability.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a touch screen type mathematical statistics demonstrator.
The technical scheme adopted by the invention is as follows: the touch screen type mathematical statistics demonstrator comprises a box body, wherein a ball inlet pipe is arranged on the upper surface of the box body, a counting device is arranged on the ball inlet pipe, a ball inlet channel is arranged at the upper port of the ball inlet pipe, the lower port of the ball inlet pipe is communicated with an experiment cavity in the box body, a plurality of recovery channels distributed in a circular array are further arranged in the box body, the upper ports of the recovery channels are communicated with the experiment cavity, the lower ports of the recovery channels are communicated with a ball outlet channel, and a screening mechanism is arranged at the upper port of the recovery channels;
the screening mechanism comprises a sector baffle, a rotating shaft, a pressure sensor, an electromagnet and a magnet, wherein the sector baffle is movably connected with the box body and can rotate in a vertical plane; the fan-shaped baffle is provided with an electromagnet and a pressure sensor, the electromagnet is connected with the pressure sensor, the pressure sensor is connected with the processor, the magnet is arranged in the box body, a conveying mechanism for conveying a ball body from the ball outlet channel to the ball inlet channel is arranged on the outer side of the box body, the conveying mechanism comprises a position block, a movable block, a spring, a motor, a belt, a positioning rod and a supporting rod, the motor is fixed in a motor cavity, the supporting rod is fixed on a fixing frame, the supporting rod and an output shaft of the motor are externally surrounded by the belt, the position block is fixed on the belt through the positioning rod, the movable block is hinged to the position block, the spring is fixedly arranged between the movable block and the position block, the motor is electrically connected with the processor, a pressing block is arranged at one end of the ball inlet channel, and a pressing block is arranged at one end of the ball inlet channel.
Preferably, the box body is provided with a fixing frame and a motor cavity for fixing the conveying mechanism.
Preferably, the upper surface of the movable block is provided with a transition block for ensuring the stable movement of the ball body.
Preferably, the ball outlet channel is 2-3cm higher than the motor output shaft, and the ball inlet channel is 3-4cm higher than the support rod.
Preferably, the counting device comprises an infrared emitter and an infrared receiver, and the infrared emitter and the infrared receiver are connected with the processor.
Preferably, the bottom of the experiment cavity is fixedly provided with a bulge, and the upper surface of the bulge is provided with a partition plate.
Preferably, the bottom of the box body is provided with anti-skid patterns.
The beneficial effects of the invention are as follows: according to the method, the movement direction of the ball body can be counted in a mode that the ball body touches the pressure sensor, and finally the probability of the random movement direction of the ball body is recorded and calculated.
Drawings
FIG. 1 is a schematic diagram of the axial structure of the present invention;
FIG. 2 is a left side cross-sectional view of the present invention;
FIG. 3 is a top cross-sectional view of the screening mechanism of the present invention;
in the figure: 1-box, 2-ball inlet pipe, 3-ball inlet channel, 4-experiment cavity, 5-recovery channel, 6-ball outlet channel, 7-sector baffle, 8-rotation shaft, 9-pressure sensor, 10-electromagnet, 11-magnet, 12-processor, 13-fixing frame, 14-motor cavity, 15-position block, 16-movable block, 17-spring, 18-motor, 19-belt, 20-positioning rod, 21-support rod, 22-transition block, 23-press block, 24-infrared emitter, 25-infrared receiver, 26-partition plate and 27-bulge.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the embodiments of the present invention, it should be understood that the terms "upper", "front", "rear", "left", "right", "bottom", "side", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present embodiment.
In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
The invention is further described with reference to the drawings and specific examples.
As shown in fig. 1 to 3, a touch screen type mathematical statistics demonstrator comprises a box body 1, wherein a ball inlet pipe 2 is arranged on the upper surface of the box body 1, a counting device is arranged on the ball inlet pipe 2, the counting device comprises an infrared emitter 24 and an infrared receiver 25, the infrared emitter 24 and the infrared receiver 25 are connected with a processor 12, and through the design, when a ball passes through the ball inlet pipe 2, infrared rays are cut off once, and the processor 12 records the number of the ball.
The upper port of the ball inlet pipe 2 is provided with a ball inlet channel 3, one end of the ball inlet channel 3, which is close to the conveying mechanism, is provided with a pressing block 23, the lower port of the ball inlet pipe 2 is communicated with the experiment cavity 4 in the box body 1, the box body 1 is also internally provided with a plurality of recovery channels 5 distributed in a circular array, the upper port of the recovery channels 5 is communicated with the experiment cavity 4, the lower port of the recovery channels 5 is communicated with the ball outlet channel 6, and the upper port of the recovery channels 5 is provided with a screening mechanism; the screening mechanism comprises a sector baffle 7, a rotating shaft 8, a pressure sensor 9, an electromagnet 10 and a magnet 11, wherein the sector baffle 7 is movably connected with the box body 1 through the rotating shaft 8, a rotating channel for enabling the sector baffle 7 to rotate in a vertical plane is arranged at a corresponding position on the vertical direction of the box body 1, the electromagnet 10 and the pressure sensor 9 are arranged on the sector baffle 7, the electromagnet 10 is connected with the pressure sensor 9, the pressure sensor 9 is connected with a processor 12, the magnet 11 is arranged in the box body 1, a bulge 27 is fixedly arranged at the center of the bottom of the experiment cavity 4, a partition plate 26 is arranged at the center of the upper surface of the bulge 27, when a ball enters the experiment cavity 4, the ball is enabled to be touched by the partition plate 26, and to be randomly moved into the partition plate 26 in a certain direction, and touch the pressure sensor 9 in the direction, meanwhile, the processor 12 records and sends a signal to enable the electromagnet 10 to generate magnetism, the ball is enabled to be repelled with the magnet 11 in the box body by the principle of homopolar repulsion, the sector baffle 7 is driven to rotate away, and then the bulge 27 enables the ball to enter the recovery channel 5, and when the magnetism of the electromagnet 10 disappears, and the ball will naturally fall back and be blocked again.
The box 1 is provided with a fixing frame 13 and a motor cavity 14 for fixing a conveying mechanism, the conveying mechanism for conveying the ball from the ball outlet channel 6 to the ball inlet channel 3 is arranged on the outer side of the box 1, the conveying mechanism comprises a position block 15, a movable block 16, a spring 17, a motor 18, a belt 19, a positioning rod 20 and a supporting rod 21, the motor 18 is fixed in the motor cavity 14, the supporting rod 21 is fixed on the fixing frame 13, the supporting rod 21 and an output shaft of the motor 18 are wrapped with the belt 19, the position block 15 is fixed on the belt 19 through the positioning rod 20, the movable block 16 is hinged on the position block 15, the spring 17 is fixedly arranged between the movable block 16 and the position block 15, the motor 18 is connected with the processor 12, and a transition block 22 for ensuring stable movement of the ball is arranged on the upper surface of the movable block 16. The ball outlet channel 6 is 2-3cm higher than the output shaft of the motor 18, the ball inlet channel 3 is 3-4cm higher than the supporting rod 21, and anti-skid patterns are arranged at the bottom of the box body 1. By such design, the ball naturally falls into the movable block 16 from the ball outlet channel 6, the processor 12 sends out a signal to enable the motor 18 to work, the belt 19 conveys the ball upwards, when the pressing block 23 presses one end of the movable block 16, the ball smoothly enters the ball inlet channel 3 from the transition block 22, and after the ball completely leaves the movable block 16, the spring 17 contracts to enable the other end of the movable block 16 to retract.
The invention has the working processes that the ball is fed into the ball inlet pipe 2, the ball moves randomly in a certain direction in the experiment cavity 4 and contacts the partition plate 26, the pressure sensor 9 on the sector baffle 7 is contacted, the processor 12 sends out a signal to enable the electromagnet to be electrified and repulsed with the magnet, the sector baffle 7 rotates away, the bulge 27 enables the ball to enter the recovery channel 5 to the ball outlet channel 6 and then fall into the movable block 16, the belt 19 drives the movable block 16 to move upwards, when the pressing block 23 presses one end of the movable block 16, the ball rolls into the ball inlet channel 3 in a homeotropic manner, and the processor 12 finally records data to calculate the probability of the ball moving in a certain direction.
The invention is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present invention, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present invention, fall within the scope of protection of the present invention.
Claims (7)
1. A touch screen type mathematical statistics demonstrator is characterized in that: the device comprises a box body (1), wherein a ball inlet pipe (2) is arranged on the upper surface of the box body (1), a counting device is arranged on the ball inlet pipe (2), a ball inlet channel (3) is arranged at the upper port of the ball inlet pipe (2), the lower port of the ball inlet pipe (2) is communicated with an experiment cavity (4) in the box body (1), a plurality of recovery channels (5) distributed in a circular array are further arranged in the box body (1), the upper port of the recovery channels (5) is communicated with the experiment cavity (4), the lower port of the recovery channels (5) is communicated with a ball outlet channel (6), and a screening mechanism is arranged at the upper port of the recovery channels (5);
the screening mechanism comprises a sector baffle (7), a rotating shaft (8), a pressure sensor (9), an electromagnet (10) and a magnet (11), wherein the sector baffle (7) is movably connected with the box body (1) and can rotate in a vertical plane; be provided with electro-magnet (10) and pressure sensor (9) on fan-shaped baffle (7), electro-magnet (10) are connected with pressure sensor (9), pressure sensor (9) are connected with treater (12), magnet (11) set up in box (1), the box (1) outside is provided with the transport mechanism who transports spheroid from play ball passageway (6) to goal passageway (3), transport mechanism includes location piece (15), movable piece (16), spring (17), motor (18), belt (19), locating lever (20) and bracing piece (21), motor (18) are fixed in motor chamber (14), bracing piece (21) are fixed on mount (13), bracing piece (21) are surrounded with the output shaft of motor (18) outward and are had belt (19), location piece (15) are fixed on belt (19) through locating lever (20), movable piece (16) are articulated on location piece (15), fixedly between movable piece (16) and location piece (15) are provided with spring (17), motor (18) are connected with treater (12) electricity, one end of ball passageway (3) is equipped with briquetting (23).
2. A touch screen type mathematical statistics demonstrator as claimed in claim 1, wherein: the box body (1) is provided with a fixing frame (13) for fixing the conveying mechanism and a motor cavity (14).
3. A touch screen type mathematical statistics demonstrator as claimed in claim 1, wherein: the upper surface of the movable block (16) is provided with a transition block (22) for ensuring the stable movement of the sphere.
4. A touch screen type mathematical statistics demonstrator as claimed in claim 1, wherein: the ball outlet channel (6) is 2-3cm higher than the output shaft of the motor (18), and the ball inlet channel (3) is 3-4cm higher than the support rod (21).
5. A touch screen type mathematical statistics demonstrator as claimed in claim 1, wherein: the counting device comprises an infrared emitter (24) and an infrared receiver (25), and the infrared emitter (24) and the infrared receiver (25) are connected with the processor (12).
6. A touch screen type mathematical statistics demonstrator as claimed in claim 1, wherein: the bottom of the experiment cavity (4) is fixedly provided with a bulge (27), and the upper surface of the bulge (27) is provided with a partition plate (26).
7. A touch screen type mathematical statistics demonstrator as claimed in claim 1, wherein: the bottom of the box body (1) is provided with anti-skid patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110482747.5A CN113160668B (en) | 2021-04-30 | 2021-04-30 | Touch screen type mathematical statistics demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110482747.5A CN113160668B (en) | 2021-04-30 | 2021-04-30 | Touch screen type mathematical statistics demonstrator |
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| Publication Number | Publication Date |
|---|---|
| CN113160668A CN113160668A (en) | 2021-07-23 |
| CN113160668B true CN113160668B (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110482747.5A Active CN113160668B (en) | 2021-04-30 | 2021-04-30 | Touch screen type mathematical statistics demonstrator |
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| CN (1) | CN113160668B (en) |
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|---|---|---|---|---|
| SU911593A1 (en) * | 1980-05-21 | 1982-03-07 | Куйбышевский политехнический институт им.В.В.Куйбышева | Device for throwing models |
| KR200332261Y1 (en) * | 2003-08-14 | 2003-11-05 | 박순종 | Supply machine of golf ball |
| CN107146502A (en) * | 2017-07-17 | 2017-09-08 | 山东交通学院 | Mathematical probabilities apparatus for demonstrating |
| CN206587361U (en) * | 2017-03-31 | 2017-10-27 | 漳州华飞体育用品有限公司 | Spheroid lifting device |
| CN109448509A (en) * | 2018-12-27 | 2019-03-08 | 齐齐哈尔大学 | A kind of College Maths demonstration device for probability |
| CN109903649A (en) * | 2019-04-17 | 2019-06-18 | 德州学院 | A kind of College Maths probability event teaching demonstration device based on big data analysis |
| CN209525812U (en) * | 2018-11-20 | 2019-10-22 | 孔翔宇 | A kind of physics experiments of high school apparatus for demonstrating |
| CN210836736U (en) * | 2019-12-09 | 2020-06-23 | 陕西学前师范学院 | University's mathematics probability demonstration ware |
| CN112289142A (en) * | 2020-11-06 | 2021-01-29 | 吉林化工学院 | Probability statistics teaching presentation device |
| CN112419794A (en) * | 2020-11-25 | 2021-02-26 | 九江学院 | Word memory rotary disc |
-
2021
- 2021-04-30 CN CN202110482747.5A patent/CN113160668B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU911593A1 (en) * | 1980-05-21 | 1982-03-07 | Куйбышевский политехнический институт им.В.В.Куйбышева | Device for throwing models |
| KR200332261Y1 (en) * | 2003-08-14 | 2003-11-05 | 박순종 | Supply machine of golf ball |
| CN206587361U (en) * | 2017-03-31 | 2017-10-27 | 漳州华飞体育用品有限公司 | Spheroid lifting device |
| CN107146502A (en) * | 2017-07-17 | 2017-09-08 | 山东交通学院 | Mathematical probabilities apparatus for demonstrating |
| CN209525812U (en) * | 2018-11-20 | 2019-10-22 | 孔翔宇 | A kind of physics experiments of high school apparatus for demonstrating |
| CN109448509A (en) * | 2018-12-27 | 2019-03-08 | 齐齐哈尔大学 | A kind of College Maths demonstration device for probability |
| CN109903649A (en) * | 2019-04-17 | 2019-06-18 | 德州学院 | A kind of College Maths probability event teaching demonstration device based on big data analysis |
| CN210836736U (en) * | 2019-12-09 | 2020-06-23 | 陕西学前师范学院 | University's mathematics probability demonstration ware |
| CN112289142A (en) * | 2020-11-06 | 2021-01-29 | 吉林化工学院 | Probability statistics teaching presentation device |
| CN112419794A (en) * | 2020-11-25 | 2021-02-26 | 九江学院 | Word memory rotary disc |
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| CN113160668A (en) | 2021-07-23 |
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