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Method and system for accurately controlling sunlight reflection device

A reflecting device and precise control technology, applied in the field of solar energy collection and utilization, can solve the problems of high precision, low cost and low precision, and achieve the effect of improving precision, low cost and high precision

Inactive Publication Date: 2014-06-18
ZHEJIANG SUPCON SOLAR TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a method for precisely controlling the heliostat, so as to solve the technical defect that it is difficult to achieve low cost and high precision in the prior art
[0009] Another object of the present invention is to provide a solar reflection and collection system to solve the technical defects that it is difficult to achieve low cost and high precision in the prior art

Method used

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  • Method and system for accurately controlling sunlight reflection device
  • Method and system for accurately controlling sunlight reflection device
  • Method and system for accurately controlling sunlight reflection device

Examples

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Effect test

no. 1 example

[0048] Accurate control of the heliostat is achieved in the following steps:

[0049] First, complete the sampling of the spot image on the spot reference system

[0050] Then, calculate the error coefficient of heliostat installation and processing according to the data obtained by sampling

[0051] Finally, the error coefficient obtained above is used to calculate the angle information that needs to be adjusted when the heliostat reflects to the designated position of the solar energy collector.

[0052] The above disclosure is only a precise control of a heliostat. Other heliostats can adjust their angles in the manner described above. Also, when the heliostat satisfies the next calibration condition, the steps of sampling and error coefficient calculation need to be performed again. As mentioned above, the conditions for the next calibration include that the position information of the heliostat meets the calibration conditions, the number of adjustments reaches a prese...

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Abstract

The invention relates to a method for accurately controlling a sunlight reflection device. The method comprises the following steps of: (1) arranging a plurality of light spot reference systems in the middle or at the periphery of the sunlight reflection device or below a sunlight energy collector, and arranging a plurality of image collecting devices for collecting information on the light spot reference systems; (2) sampling the imaging position of the sunlight reflection device on the light spot reference systems for a plurality of times by the image collecting devices so as to calculate the correction error coefficient of the sunlight reflection device; and (3) figuring out the current angles needing to be adjusted, of the sunlight reflection device according to the correction error coefficient so that sunlight can be reflected to a designated position of the sunlight energy collector through the sunlight reflection device in case of change of sun tracks.

Description

technical field [0001] The invention relates to the technical field of solar energy collection and utilization, in particular to a system and method for precisely controlling a solar reflection device in a solar reflection and collection system. Background technique [0002] With the development of economy and industry, the demand for energy is increasing, especially electric energy is an indispensable energy in industry and people's life. Traditional power generation methods, for example, coal power generation is too dependent on coal mines, and coal is a non-renewable resource with high pollution. Traditional power generation modes such as coal power generation can no longer meet the needs of industrial and economic development. For this reason, people pay more and more attention to clean and renewable energy. Among many clean energy sources, solar energy plays a more important role because of its wide coverage, that is, it can be used wherever there is sunshine, and is th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D3/12
Inventor 祝雪妹黄文君陈煜达金建祥
Owner ZHEJIANG SUPCON SOLAR TECHNOLOGY CO LTD
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