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Heliostat concentrating photovoltaic generator and positioning method thereof

A concentrating photovoltaic and positioning method technology, applied in the direction of photovoltaic power generation, use feedback control, etc., can solve problems such as increasing the difficulty of installation and maintenance, and achieve the effect of improving power generation efficiency and wide application

Inactive Publication Date: 2017-11-21
李杰吾
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  • Description
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  • Application Information

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Problems solved by technology

However, when installed in different locations, photovoltaic modules need to be adjusted adaptively, which increases the difficulty of installation and maintenance

Method used

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  • Heliostat concentrating photovoltaic generator and positioning method thereof
  • Heliostat concentrating photovoltaic generator and positioning method thereof
  • Heliostat concentrating photovoltaic generator and positioning method thereof

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Embodiment Construction

[0027] The technical solutions of the present invention will be described in detail below with reference to exemplary implementations. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.

[0028] In the present invention, fixed date means that the photovoltaic system can accurately track the sun reliably and basically maintenance-free (lubricating oil is added every year) within its 25-year working life, which is 37% higher than that of the current fixedly erected photovoltaic system of annual power generation.

[0029] Concentrating photovoltaic refers to the premise of reliable tracking, as long as a simple and practical reflector is added next to the photovoltaic module to increase the power generation capacity. ...

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Abstract

The invention discloses a positioning method of a heliostat concentrating photovoltaic generator, including the following steps: a day shaft of a heliostat concentrating photovoltaic generator is arranged parallel to the earth's axis of rotation, a season shaft is arranged perpendicular to the day shaft, and the day shaft and the season shaft are adjusted to make a photovoltaic module face the sun; with the rotation of the earth, a reducer and a stepper motor drive the day shaft to rotate, the day shaft drives the photovoltaic module to rotate, and rotation cycles every 24 hours; and with the revolution of the earth, the relative position of the sun relative to the earth changes, the day shaft drives the season shaft to rotate through a gear group, the season shaft rotates correspondingly in accordance with the sine rule, and therefore, the photovoltaic module always perpendicularly faces the sun. The invention further discloses a heliostat concentrating photovoltaic generator. The heliostat concentrating photovoltaic generator can be positioned accurately and point to a set position. The problem on how to position a photovoltaic module in photovoltaic power generation is solved.

Description

technical field [0001] The invention relates to a photovoltaic power generation technology, in particular to a sun-fixed concentrated photovoltaic generator and a positioning method thereof. Background technique [0002] The current tracking devices based on electronic technology can only track the sun's altitude angle because there is no global unified law, so it can only be tracked randomly. It is difficult to capture the sun's target in cloudy, rainy or windy weather. Coupled with many factors such as tracking inclination in different regions and harsh weather, the existing tracking mechanism of photovoltaic power generation is complicated, costly, and low in reliability. [0003] Chinese Patent No. 200910002758.8 discloses an asymmetric concentrated light tracking photovoltaic system, which uses the electronic controller and motor of the sun axis to simultaneously control the movement of the sun axis and the season axis, and realizes 24-hour tracking. However, when inst...

Claims

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Application Information

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IPC IPC(8): G05D3/12
CPCG05D3/12Y02E10/50
Inventor 李杰吾肖孚松邹敏李湘李萌肖伟民肖飞菲
Owner 李杰吾
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