Teaching demonstration instrument for demonstrating earth revolution
A technology of earth revolution and globe, applied in the field of teaching demonstration instruments, can solve the problem that there is no way to intuitively display the formation mechanism of polar day and polar night, and achieve the effect of real simulation effect
Inactive Publication Date: 2015-03-11
LINYI UNIVERSITY
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[0002] At present, most of the teaching demonstrators used in the market for demonstrating the earth's revolution are that the globe and the sun model are located on the same plane. When the globe is revolving around the sun, the globe and the sun model are always on the same level. Shows the formation mechanism of polar day and polar night
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[0027] In order to have a clearer understanding of the above objects, features and advantages of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0028] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways than described here. Therefore, the scope of protection of the present invention is not limited by the specific embodiments disclosed below. limits.
[0029] figure 1 It is a schematic structural diagram of the front view of the teaching demonstrator for demonstrating the revolution of the earth according to an embodiment of the present invention.
[0030] The invention...
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The invention provides a teaching demonstration instrument for demonstrating earth revolution. The teaching demonstration instrument comprises a globe, a globe hanging bracket, a supporting frame, a rotating arm and a sun model, wherein the globe is hung on the globe hanging bracket; the supporting frame supports the whole device; the globe hanging bracket is arranged at one end of the rotating arm; the other end of the rotating arm is connected with the supporting frame in a matched manner; the rotating arm rotates around the supporting frame; an included angle between a plane where rotation is performed and a horizontal plane is the obliquity of the ecliptic (which is about 23 degrees 26 minutes); a light source is arranged in the sun model, so that light rays can be outwards emitted; the sun model is positioned at the upper part of a matched connection part of the supporting frame and the rotating arm; the rotating arm rotates around the supporting frame, so that the globe positioned on the rotating arm moves around the sun model and is enabled to generate a height change; therefore, movement, which is formed by revolution of the earth around the sun, of a direct solar radiation point can be visually simulated and displayed, and formation of the polar day and the polar night can be visually simulated and displayed.
Description
technical field [0001] The invention relates to the field of teaching appliances, and more specifically, to a teaching demonstration instrument for demonstrating the revolution of the earth. Background technique [0002] At present, most of the teaching demonstrators used in the market for demonstrating the earth's revolution are that the globe and the sun model are located on the same plane. When the globe is revolving around the sun, the globe and the sun model are always on the same level. It shows the formation mechanism of polar day and polar night. Contents of the invention [0003] The present invention aims to solve at least one of the problems existing in the prior art. [0004] Therefore, an object of one aspect of the present invention is to provide a teaching demonstration instrument for demonstrating the revolution of the earth that can visually display polar day and polar night. [0005] In order to achieve the above object, an embodiment of the present inv...
Claims
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Login to View More IPC IPC(8): G09B27/02
CPCG09B27/02
Inventor 季朝文
Owner LINYI UNIVERSITY