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Array type lens group directional reflex control system

A directional reflection and control system technology, applied in the field of solar energy applications, can solve the problems of different and complex rotation modes of independent shafts, and achieve the effects of low power consumption, high cost performance, and good reliability

Inactive Publication Date: 2013-06-12
XIAN BOYU GREEN ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the overall frame of the concentrator adopts the azimuth + elevation angle tracking method, no matter how the slave mirrors are arranged, the relationship between each slave mirror and the optical meridian plane is different and constantly changing, and the rotation mode of the independent rotating shaft is also very complicated

Method used

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  • Array type lens group directional reflex control system
  • Array type lens group directional reflex control system
  • Array type lens group directional reflex control system

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Embodiment Construction

[0023] Specific embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0024] First, adjust the focus of each slave mirror to coincide with the master mirror. Take 25 sub-mirrors in five rows and five columns as an example to illustrate the adjustment process. First step, rotate x 1 axis and x 5 Axis makes columns 1 and 5 focus on the x-axis, the second step, rotate x 2 axis and x 4 The axis makes the 2 columns and 4 columns focus on the x axis, the third step, rotate y 1 axis and y 5 The axis makes the 1st and 5th rows focus on the y-axis, the fourth step is to rotate y 2 axis and y 4 axis to focus the 2 and 4 rows onto the y-axis so that all the slave mirrors have the same focal point as the primary mirror.

[0025] Drive the heliostat to track the sun through the transmission mechanism, initially position the position of the heliostat, and then compare it with the feedback signal of the photoelectric sensor, and...

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Abstract

The invention discloses an array type lens group directional reflex control system. The main contents of the array type lens group directional reflex control system comprise a microcontroller, a polar shaft and a pitching motor driver, a polar shaft and a pitching drive device, a polar shaft and a pitching motor, a lens group fine tuning motor, a sensor (comprising sunlight, wind speed and the like), a limit switch and the like. The microcontroller is connected with a sunlight sensor receiver, a wind speed signal receiver, a limit signal receiver and a communication interface through an optoelectronic isolation. At the same time, the microcontroller is further provided with a liquid crystal display (LCD) display device, a time corrective module and a manual input device. A reflecting face of a heliostat is formed by sub lenses, wherein the sub lenses are arranged in three rows or more than three rows and three arrays or more than three arrays. The heliostat can be used for tracking the sun and spotlighting. The system has an automatic reset function after the sunset, an automatic level-recovering function when strong wind comes and the like. Locations can be always initiated at random. Sunlight lines can be automatically searched and continuously tracked. The system is low in power consumption, high in track precision and high in cost performance. The system is simple and good in reliability.

Description

technical field [0001] The invention relates to the technical field of solar energy applications, in particular to an arrayed mirror group directional reflection control system. Background technique [0002] The world's energy sources are depleting day by day, and the development and utilization of renewable energy have broad prospects. The comprehensive and efficient use of solar energy is the goal pursued by relevant people. Photovoltaic power generation devices use solar panels to receive sunlight and convert light energy into electrical energy. Aberration is an important concept for judging and analyzing the quality of focus. Roughly speaking, aberration is the difference between the actual spot and the ideally focused imaged spot. If the incident light is strictly parallel light, the ideal spot can be a geometric point. Considering the solar disc effect, the optimal spot is a circular spot with a radius equal to the focal length of the focusing mirror multiplied by t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D3/12G02B7/182
Inventor 张正璞李琥
Owner XIAN BOYU GREEN ENERGY
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