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A University Mathematics Probability Demonstration Device

A demonstration device and mathematical technology, applied in the field of teaching aids, can solve the problems of abstract probability, poor learning effect, boring courses, etc., and achieve the effect of improving test accuracy, convenient operation, and avoiding artificial interference

Active Publication Date: 2020-05-26
QIQIHAR UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when students learn probability, because probability is abstract and difficult to understand, the learning effect is poor
[0003] However, the existing probability demonstration devices can only carry out one probability test. In addition, some probability demonstration devices do not carry out individual tests, and mutual interference between multiple test bodies has caused a certain impact on the accuracy of the test. When counting, it tends to take a lot of time, so the class is not efficient and there is a problem of boredom in the class

Method used

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  • A University Mathematics Probability Demonstration Device
  • A University Mathematics Probability Demonstration Device
  • A University Mathematics Probability Demonstration Device

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Embodiment Construction

[0017] Such as Figure 1~Figure 6 As shown, a university mathematics probability demonstration device includes an upper casing 1, a belt transmission mechanism 3, a Galton nail plate 4, a transparent casing 5, a weighing device 6, a bracket 7, a box body 8 and a plurality of conveying mechanisms 2. The belt transmission mechanism 3 is installed in the upper casing 1, the lower end of the box body 8 communicates with the lower end of the upper casing 1, the box body 8 is used to hold a plurality of test bodies, and the test bodies include demonstration balls 12 and coins 13 , the bracket 7 is used to support the upper shell 1 and the box body 8, the front and back sides of the Galton nail plate 4 and the weighing device 6 are oppositely arranged, and a transparent shell is provided on the outside of the Galton nail plate 4 5. The transparent housing 5 is provided with an entrance corresponding to the Galton nail plate 4, the bottom surface of the upper housing 1 is provided wit...

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Abstract

A university mathematics probability demonstration device belongs to the technical field of teaching aids. It provides a university mathematics probability demonstration device capable of performing multi-probability demonstrations, individual demonstrations and counting. The belt transmission mechanism is installed in the upper casing, the front and back sides of the Galton nail plate and the weighing device are arranged oppositely, the outer side of the Galton nail plate is covered with a transparent shell, and the multiple conveying mechanisms are sequentially Mounted on the belt of the belt drive mechanism, each conveying mechanism is used to convey a test body through the principle of leverage. The invention can carry out multiple tests, can rationally utilize resources multiple times, and can transport one test unit each time, avoiding artificial interference and interference between test units, and improving test accuracy.

Description

technical field [0001] The invention belongs to the technical field of teaching aids, in particular to a probability demonstration device. Background technique [0002] Probability is one of the important subjects in college mathematics. Probability is a science and technology to study random events, and also to study numbers between 0 and 1. 0 means no event occurs, 1 means event occurs, greater than 0 and less than 1 is the probability. Phenomena observed in nature and society are divided into: deterministic phenomena and random phenomena. Probability is a branch of mathematics that studies the quantitative laws of random phenomena. On the one hand, it has its own unique concepts and methods. On the other hand, it is closely related to other branches of mathematics. It is an important part of modern mathematics. The wide application of probability covers almost all fields of science and technology, such as Weather forecast, earthquake forecast, sample survey of products...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/02
CPCG09B23/02
Inventor 王伟华
Owner QIQIHAR UNIVERSITY
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