Clock capable of demonstrating earth-sun relative position relation and related functions

Abstract

The invention relates to a clock with functions of demonstrating earth-sun relative position relation and related functions, which is characterized in that the clock mainly comprises an annular clock dial, a tellurion, an ecliptic disc, a sun pointer, a driving device and the like, wherein the ecliptic disc comprises a constellation graduated ring, a solar term graduated ring, an ecliptic graduated ring and a date ring. The clock dial, the tellurion and the sun pointer are respectively driven by a driving device, the time for operating a circle is 24 hours, 23 hours, 56 minutes and 4 seconds and 365.2422 days, and the zone time, the true sun time, the constellation, the solar term, the solar yellow meridian and the date corresponding to the sun pointer can be read in real time through the dynamic change of the clock dial, the tellurion and the sun pointer. The projection position change of the sun on the direct point of the earth surface and the celestial sphere and the time, day and night, four seasons, solar terms and starry sky change caused by the projection position change are accurately demonstrated, so that people can understand the relationship between time and earth rotation and revolution and the relationship between east and west traditional culture and astronomy.

Description

technical field [0001] The invention relates to the technical field of teaching and demonstration appliances and handicrafts, in particular to a clock that demonstrates time in real time through the relative positional relationship between the earth and the sun. Background technique [0002] The time we use in daily life is Coordinated Universal Time and the zone time determined on this basis. The division of this time is closely related to the apparent movement of celestial bodies, especially the apparent movement of the sun. Many people have misunderstandings about time, thinking that there are 24 hours in a day because the earth rotates in 24 hours, which is actually not accurate. A day refers to a day and night, that is, the apparent movement of the sun, that is, it takes 24 hours for the point of direct sunlight to move on the earth's surface for one revolution, and the time for the earth to rotate one revolution is 23 hours, 56 minutes and 4 seconds. The apparent moti...

AI Technical Summary

Problems solved by technology

[0003] There are a small number of clocks in foreign countries that represent time through globes and simulated suns, such as the Smithsonian astronomical clock in the United States and the Hemmler astronomical clock in Germany, etc., but these clocks are too complicated and cannot accurately represent the direct point of the sun

At present, there are also some patent documents related to related content, but they either express the relationship between the earth's rotation and time alone, or the earth's revolution alone, and there is no clock and watch that uniformly expresses time, earth's rotation and revolution

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