Solar position tracking apparatus comprising a cylindrical light focusing device

Abstract

The present invention relates to an apparatus capable of accurately tracking the movement of the sun. More particularly, the present invention relates to a solar position tracking apparatus comprising: a cylindrical light focusing device; an absorbing device consisting of solar energy absorbing plates; and a device which measures the amount of energy absorbed into each solar energy absorbing plate, and compares the measured amounts.

Description

FIELD OF THE INVENTION[0001]The present invention relates to a solar position tracking apparatus for accurately tracking the position of the sun which is changed every moment due to the rotation of the earth on its own axis, more particularly, a device for accurately and effectively tracking the sun by comprising a cylindrical light focusing device, a solar energy absorbing device and a device for measuring the amount of absorbed solar energy.[0002]The present invention has an object of providing a solar position tracking apparatus and method which always allow the tracking of solar position and also precise tracking thereof.DESCRIPTION OF RELATED ART[0003]Due to the issues of prevention of global warming and providing environment friendliness, the necessity for solutions of utilizing infinite solar energy as alternative energy is recently highlighted. The solution of utilizing the solar energy includes a technique of directly converting sunlight and solar heat into electrical energ...

AI Technical Summary

Benefits of technology

The present invention provides a solar position tracking apparatus that can accurately track the sun even in weak sunlight conditions such as in the morning and evening without the need for additional devices. This is achieved through a cylindrical light focusing device that forms a focal point regardless of incidence angle or altitude angle of the sun. The apparatus uses an energy absorbing plate to determine the presence or absence of sunlight and its position in the solar position tracking system. The amount of energy absorbed by the plate with focused sunlight and the energy absorbed by the plate with non-focal sunlight is significantly different, allowing the system to accurately track the sun's position. The system is also designed to easily and accurately grasp the sun's presence and position based on the energy absorbed by each absorbing plate.

Problems solved by technology

However, such a method has a problem that if the sunlight is weak as in the morning or evening or the sun is shaded by the cloud etc., the tracking of solar position is impossible because of narrow difference in the amount of energy generated in each energy absorbing device.

However, such techniques have problems that it cannot track the solar position until the focal point of lens enters the photodiodes, and it is difficult to accurately align the focal point of lens with the photodiode, and also in the case where while aligning the focal point of lens, the focal point deviates from a surface of the photodiodes due to misalignment or the sunlight appears long after it has disappeared, the position tracking is difficult, and the tracking apparatus has to be always moved along the sun.

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