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Solar composite tracking method

A solar tracking and composite tracking technology, applied in the field of solar energy, can solve the problems of reducing the number of driving mechanisms and driving costs, reducing tracking accuracy and sunlight utilization efficiency, etc., to facilitate correct operation, overcome instability, and intelligent tracking. Effect

Inactive Publication Date: 2020-05-19
SHANGHAI DIANJI UNIV
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Problems solved by technology

However, although the intermittent tracking method simplifies the control algorithm, it reduces the tracking accuracy and sunlight utilization efficiency while reducing the operating times and driving costs of the driving mechanism.

Method used

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Embodiment Construction

[0042] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.

[0043] This embodiment provides a solar compound tracking method. The solar tracking control system includes concentrators and control drives. This embodiment aims at the problems of low tracking accuracy and low sunlight conversion efficiency under the intermittent tracking method of the existing solar tracking control system, and proposes a composite tracking method combining advanced intermittent solar motion track tracking and photoelectric tracking, combined with a dual-axis drive structure The advanced control drive device can automatically switch between solar tracking and pho...

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Abstract

The invention relates to a solar composite tracking method, and a solar tracking control system comprises a condenser and a control driving device, and is characterized in that the composite trackingmethod comprises the following steps: the condenser acquires the current illumination intensity; judging whether the illumination intensity is greater than a set intensity threshold value or not, If so, performing sun azimuth tracking by adopting a photoelectric tracking method; If not, carrying out sun azimuth tracking by adopting an improved sun-looking motion trail tracking method. Compared with the prior art, according to the invention, a composite solar tracking method of a photoelectric tracking method and an improved sun-looking motion trail tracking method is adopted, specific trackingmodes can be switched according to weather and illumination conditions, instability of the photoelectric tracking method can be overcome, and all-weather, high-precision and intelligent tracking of the sun position by a sun tracking control system is realized.

Description

technical field [0001] The invention relates to the technical field of solar energy, in particular to a solar compound tracking method. Background technique [0002] With the gradual increase in the penetration rate of distributed energy sources, the working efficiency of solar power generation devices has attracted more and more attention. At present, the main tracking methods of the concentrator in the solar tracking control system include the solar tracking method and the photoelectric tracking method. [0003] In the photoelectric tracking method, firstly, photosensitive elements such as photoresistors, photodiodes, and photocells are used to generate the position deviation signal of the concentrator. The position deviation signal is easily affected by environmental factors such as light, weather, and temperature, and the working stability of the sun tracking control system is affected. threaten. [0004] In the tracking method of apparent solar motion trajectory, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D3/12
CPCG05D3/12
Inventor 付晓琳王鸿孙霞程丽宁李占辉王扬王致杰王海群刘天羽陶梦琳渠省委张智禹刘衡姚斌
Owner SHANGHAI DIANJI UNIV
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