Three-quadrant sunshine tracking sensing apparatus

A solar ray, tracking and sensing technology, applied in the field of solar photovoltaic power generation, can solve the problems of inability to eliminate accumulated errors, gaps between calculation and actual, angle positioning errors, etc., to achieve strong circuit symmetry, improved accuracy, and reduced energy consumption. Effect

Inactive Publication Date: 2013-10-16
SHAANXI UNIV OF TECH
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Problems solved by technology

[0004] For the sun trajectory tracking method, due to the changeable natural phenomenon, there will be a gap between the calculation and the actual situation, and the cumulative error cannot be eliminated during the tracking process. The attitude rotation of the solar panel is mainly driven by the rotation of the control motor, and there will also be a large gap in the angle positioning. large error, which reduces the accuracy of the system
Tracking on rainy days is a pure system energy drain
[0005] In the sensor detection and tracking method, the signal acquisition of the sensor has higher requirements on the external environment, and it is easy to misjudge in rainy days or external light sources
The difference in sensor selection will also affect the measurement accuracy

Method used

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] Such as figure 1 and figure 2 Commonly shown, the three-phase solar ray tracing sensing device includes a control device, which is connected with a clock module, a photoelectric sensor, a cloud platform, a host computer, and an attitude measurement sensor device. The cloud platform is provided with a battery board and a battery The board is connected to the control device, and the control device sends a data frame to the host computer through the RS-485 serial interface. The data frame includes the sun azimuth, longitude, latitude, and time information. The photoelectric sensor is a photoelectric detection module, including a phototransistor, an operational amplifier and a series resistor; when the phototransistor is illuminated, it will output a photocurrent proportional to the light intensity, and after the signal is amplified by the operatio...

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Abstract

The invention discloses a three-quadrant sunshine tracking sensing apparatus. The apparatus comprises a controller which is connected with a clock module, a photoelectric sensor, a holder, a host computer and a gesture measuring sensing device. A cell panel which is electrically connected with the controller is arranged on the holder. The controller transmits data frames to the host computer through an RS-485 serial interface, the data frames including information of solar azimuth, longitude, latitude and time. The apparatus provided by the invention has the advantages of simple design, low cost, stable operation and high tracking accuracy, and is practical, economical and widely applicable.

Description

technical field [0001] The invention relates to the technical field of solar photovoltaic power generation, in particular to a three-phase limited solar ray tracing sensor device. Background technique [0002] Today's power generation technology in the power industry is mostly based on coal. However, due to the increasingly prominent problems of energy crisis and environmental pollution, the development of new energy is required for development. As an environmentally friendly and renewable public resource, sunlight has infinite potential. Comparable advantages and favored by the majority of developers. Today's solar power generation technology is relatively mature, but its development is slow due to issues such as production costs, photoelectric conversion efficiency, and materials. [0003] At present, solar photovoltaic power generation has been widely used in various industries, but due to the low photoelectric conversion efficiency and high production costs, its applica...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D3/12
Inventor 马帅旗鲍存会王柯
Owner SHAANXI UNIV OF TECH
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