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Circular motion presentation device

A demonstration device and technology of circular motion, applied in the direction of educational appliances, instruments, teaching models, etc., can solve the problems of unable to demonstrate circular motion, unable to display the magnitude of centripetal force, etc., to achieve the effect of improving classroom efficiency and facilitating visual and intuitive understanding

Inactive Publication Date: 2014-05-14
刘淑英
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a circular motion demonstration device, which aims to solve the problem that the existing circular motion demonstration device can only demonstrate vertical circular motion, cannot demonstrate horizontal circular motion and cannot display the size of centripetal force

Method used

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  • Circular motion presentation device

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0022] figure 1 A schematic structural view of a circular motion demonstration device provided by an embodiment of the present invention is shown, which is represented by figure 1 It can be seen that this circular motion demonstration device comprises: a base 10 arranged in a horizontal direction, a power cord 12 is arranged on one side of the base 10; Fixed connection, a through hole is provided near the upper end of the vertical plate 11; a bearing groove 13 is arranged between the two vertical plates 11, and pin shafts 14 are respectively connected between the two side walls of the bearing groo...

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Abstract

The invention belongs to the technical field of physics teaching auxiliary tools, and particularly relates to a circular motion presentation device. The circular motion presentation device comprises a base, two vertical plates, a rotary bearing groove, a motor, a tension sensor, a swinging ball, a plurality of speed sensors, a display screen and a PLC. The lower ends of the two vertical plates are fixedly connected with the base, the positions close to the upper ends of the vertical plates are provided with through holes, the rotary bearing groove is formed between the two vertical plates, the motor is fixedly arranged in the middle of the outer side of the bottom face of the bearing groove, a rotating shaft of the motor stretches out of the inner side of the bottom face of the bearing groove, the end of the rotating shaft of the motor is provided with the tension sensor, the bearing groove is internally provided with the swinging ball connected with the tension sensor, the speed sensors are arranged on the inner side of the bottom face of the bearing groove and arranged around the rotating shaft of the motor, the display screen is electrically connected with the PLC, and the tension sensor and the speed sensors are electrically connected with the PLC. The device can present the circular motion in the horizontal direction and the vertical direction and can monitor the centripetal force and speed, students can visually understand conveniently, and the classroom efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of auxiliary tools for physics teaching, in particular to a circular motion demonstration device. Background technique [0002] When explaining circular motion in physics courses, it is necessary to explain circular motion in both horizontal and vertical directions. In order to facilitate understanding, teachers often need to draw pictures on the blackboard to help students understand, which is neither intuitive nor boring, and the classroom efficiency is low . [0003] The Chinese utility model patent with the publication number CN202838755U discloses a circular motion demonstrator, which includes a vertical plate installed on the base, a rotating shaft inserted on the vertical plate, a rope or connecting rod installed on the rotating shaft, a rope or a connecting rod hanging on the rope Or the heavy hammer at the end of the connecting rod. When the base is placed on the desktop, the vertical plate is perp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/10
Inventor 刘淑英
Owner 刘淑英
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