Sunlight signal collection device in automatic sun-following system
A technology of signal acquisition and sunlight, applied in the direction of photometry using electric radiation detectors, can solve problems such as difficulties and harsh working environments, and achieve low-cost and high-precision effects
Inactive Publication Date: 2012-01-25
SHAANXI UNIV OF SCI & TECH
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However, due to the harsh outdoor working environment of the automatic tracking system and the transmission mechanism, it is very difficult to ensure its working reliability under the condition of low cost.
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[0009] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0010] see figure 1 , 2. The present invention consists of two sets of photoelectric sensors with identical performance parameters and corresponding calibration cylinders and reference plates. The distribution of two groups of photoelectric sensors (1-8) with the same performance on the reference plate is as follows: figure 1 As shown in , the two groups of photoelectric sensors are separated into two groups inside and outside by the calibration cylinder 10 vertically fixed on the reference plate, and the four photoelectric sensors 1-4 in the outer group are used to search for sunlight in a wide range-coarse adjustment signal collection, The 5-8 four photoelectric sensors in the inner group are used to provide the signal of sunlight deviation in a small range - the collection of fine-tuning signals. Both the inner and outer groups of photoelectric sensors a...
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The invention relates to a sunlight signal collection device in an automatic sun-following system, comprising a reference plate arranged on a sunlight receiving plane of a condenser. Two groups of photo-electrical sensors with four complete-identical performance parameters are arranged on the reference plate and are vertically fixed on a correcting barrel on the reference plate and are divided into an inner group and an outer group; the inner and outer groups of the photo-electrical sensors are symmetrically distributed along the same circle center from top to bottom and from left to right, and the four photo-electrical sensors in the inner group are respectively provided with an inner correcting barrel. In the invention, rough regulating and fine regulating functions are realized in the automatic sunlight following process after collected signals are respectively processed through position distribution and combination of two groups of the photo-electrical sensors, thereby ensuring the realization of the low-cost and high-precision solar energy automatic following system.
Description
technical field [0001] The invention relates to a device for automatically tracking sunlight in solar energy applications, in particular to a device for collecting sunlight signals in an automatic sun tracking system under the condition of high-precision tracking. technical background [0002] The development and utilization of new energy represented by solar energy has become one of the effective methods for human beings to solve the energy crisis, and it has also become the basic energy decision of my country's sustainable development strategy. Although countries all over the world have invested a lot of manpower and material resources in researching this, but so far except for the low temperature section represented by solar water heaters, there has been no great progress in other applications. The reason is that there are two main factors restricting the popularization and application of solar energy: one is the dispersion of energy (about 1 kilowatt of power per square ...
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IPC IPC(8): G01J1/42
Inventor 宁铎王辉辉黄建兵李明勇李文彬王盼盼
Owner SHAANXI UNIV OF SCI & TECH