An automatic light tracking system based on the principle of sunflower facing the sun
A sunflower and light-following technology, applied in the direction of use feedback control, etc., can solve the problem of low system complexity and achieve the effect of high bionicity and simple and clear system structure and function
Active Publication Date: 2017-12-15
严友希
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Problems solved by technology
[0003] The problem to be solved by the present invention is: how to better imitate the principle of the sunflower facing the sun, and construct a brand-new automatic light-following system, so that its energy utilization rate is higher, the system complexity is lower, and the application range is wider
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[0019] The present invention will be further described below in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.
[0020] When sunlight illuminates the system obliquely, there is always a photosensitive block in the photoelectric disk that is closest to the sun, while the other photosensitive block that is symmetrical to it is the farthest from the sun. The photosensitive block closest to the sun is blocked by the reflective strip, while the photosensitive block farthest from the sun is not only unblocked but also irradiated by the reflected light of the reflective strip, so that the voltage difference between the two is obvious. At this time, the system output voltage The signal makes the telescopic tube closest to the sun shorten, and the telescopic tube farthest from the s...
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An automatic light-following system based on the principle of sunflowers, comprising a light-following plate, a support column, a bearing, a telescopic tube and a base, characterized in that the light-following plate is provided with a circular photoelectric disc, the bottom of which is covered with a photovoltaic power generation sheet, And 2n photosensitive blocks are evenly separated from the center of the bottom of the disk, and a circle of reflective strips stands on the periphery of the disk; the support column stands on the base, and supports the light tracking plate through the bearing at the center of gravity; the telescopic tube is parallel to the support The column is set up and evenly arranged at the same distance from the axis of the support column, and its interior is composed of several electromagnetic capsules connected in series; When docked, it can be expanded and retracted according to the light intensity of the photosensitive block, so that the angle of the tracking plate can be rotated. The invention directly uses solar energy and photoelectric signals, and directly uses electromagnetic force to drive to realize the expansion and contraction amount, which is convenient to be extended and applied to different fields such as large-scale photovoltaic power generation, automatic drying system and the like.
Description
technical field [0001] The invention relates to the field of automatic tracking of sunlight, in particular to an automatic light tracking system based on the principle of sunflower facing the sun. Background technique [0002] At present, most of the existing daylight tracking systems in China use solar trajectory tracking control or photoelectric tracking control. Their common feature is to use the control program to track after feeding back the control signal. The complexity of the system is high, which limits its application range. Application No. 201110136322.5 published "A Sunflower Sun-brightening Principle Based on Sunflower Sun Tracking System", which provides an automatic sun tracking system based on the sunflower sun-bionic bionic principle, through the photoelectric tracking control of photosensitive elements and related circuits, it gets rid of the complicated Logic circuit structure and control program. Although the complexity of this system has been reduced, t...
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IPC IPC(8): G05D3/12
CPCG05D3/12
Inventor 严友希
Owner 严友希