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Sun earth moon motion instrument

A technology of the rotation of the moon and the earth, applied in the directions of planetarium/globe, instruments, educational appliances, etc., it can solve the problems that the instruments do not match the design phenomenon, the teachers cannot explain the seasonal changes of astronomical phenomena through the equipment, and there is no way to realize the phenomenon of far and near the earth. , to achieve the effect of scientific perception

Active Publication Date: 2016-03-02
苏州育龙科教设备有限公司 +1
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing products on the market have a perfectly circular orbit of the earth (the actual orbit is an ellipse), which brings about the practical problem that the instrument does not match the design phenomenon, and the teacher needs to explain to the students in class, etc. Inconvenient question
As we all know, the earth revolves around the sun. Since the earth orbits the sun in a perfect circle, there is no way to realize the phenomenon of far and near when the earth revolves around the sun. Some important geographical phenomena such as aphelion and perihelion cannot be demonstrated by instruments. out, teachers will have no way to explain these astronomical phenomena and the reasons for seasonal changes through equipment

Method used

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Embodiment Construction

[0036] The above solution will be further described below in conjunction with specific embodiments. It should be understood that these examples are used to illustrate the present invention and not to limit the scope of the present invention. The implementation conditions used in the examples can be further adjusted according to the conditions of specific manufacturers, and the implementation conditions not indicated are usually the conditions in routine experiments.

[0037] see Figure 1-3 , which is a structural schematic diagram of an embodiment of the present invention, provides a sun-earth-moon movement instrument, which includes a central fixed shaft 1, a central gear 5 is fixed on the top of the central fixed shaft 1, and a sun model is arranged on the central gear 5 , in this example, the sun fixed rod 51 is fixed on the central gear 5, and the sun model is fixed on the sun fixed rod 51. The sun model includes a solar sphere and a solar lamp arranged in the solar sphe...

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Abstract

The invention discloses a sun earth moon motion instrument, which comprises a central fixing shaft. The top end of the central fixing shaft is fixed with a central main gear; a sun model is arranged on the central main gear; a rotation arm is arranged, in a rotating mode, on the central fixing shaft and located below the central main gear; the center of the rotation arm is overlapped with the center of the central fixing shaft; the rotation arm is provided with a main motor; the output shaft of the main motor is provided with a driving motor gear; the driving motor gear and the central main gear are engaged; one end of the rotation arm is provided with an earth-moon system sliding assembly, and the other end of the rotation arm is provided with a balance weight; the earth-moon system sliding assembly comprises a sliding fixing plate and an earth autorotation mechanism and a moon revolution mechanisms arranged on the sliding fixing plate; and an elliptical orbit control mechanism and a belt wheel tensioning mechanism are arranged between the earth-moon system sliding assembly and the central main gear. The sun earth moon motion instrument provided by the invention can accurately demonstrate sun earth moon motion rules.

Description

technical field [0001] The invention relates to the technical field of teaching instruments, in particular to a sun-earth-moon movement instrument. Background technique [0002] The sun-earth-moon movement instrument (three-sphere instrument) is indispensable as a routine experimental instrument for geography teaching in primary and secondary schools. Most of the existing products on the market have a perfectly circular orbit of the earth (the actual orbit is an ellipse), which brings about the practical problem that the instrument does not match the design phenomenon, and the teacher needs to explain to the students in class, etc. Inconvenient question. As we all know, the earth revolves around the sun. Since the earth orbits the sun in a perfect circle, there is no way to realize the phenomenon of far and near when the earth revolves around the sun. Some important geographical phenomena such as aphelion and perihelion cannot be demonstrated by instruments. out, teachers ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B27/02
CPCG09B27/02
Inventor 崔蕾
Owner 苏州育龙科教设备有限公司
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