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Solar inclined single-shaft tracking method and system

A tracking system and oblique single-axis technology, which is applied in the field of solar oblique single-axis tracking method and system, can solve complex problems, achieve high power generation efficiency, improve solar energy utilization efficiency, and low power consumption

Inactive Publication Date: 2010-03-10
常州佳讯光电系统工程有限公司
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Problems solved by technology

The two-axis full tracking device is much more complicated than the horizontal axis east-west tracking device, but the horizontal axis east-west tracking is only suitable for low latitude (<30 degrees) regions, so the specific tracking method should be determined according to the site conditions

Method used

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  • Solar inclined single-shaft tracking method and system
  • Solar inclined single-shaft tracking method and system
  • Solar inclined single-shaft tracking method and system

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Embodiment Construction

[0029] The present invention will be further described below with reference to the drawings and specific embodiments.

[0030] The present invention will be further described below with reference to the drawings and specific embodiments.

[0031] Reference Figure 4 , Is a circuit block diagram of the solar oblique single-axis tracking system of the present invention, which includes a sensor 100 fixed on a solar panel, and the sensor detects the current signal emitted by the solar panel. The sensor 100 adopts photosensitive devices that are sensitive to light intensity, such as photoresistors, photodiodes, phototransistors, and photocells. In the present invention, photocells are used as sensors. And the current-voltage converter 101 converts the current signal of the sensor into a voltage signal for output, and sets the initial value of the system current. And the analog-to-digital converter 102 converts the voltage signal of the current-to-voltage converter into a digital voltag...

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Abstract

The invention discloses a solar inclined single-shaft tracking system which comprises a sensor, a current-to-voltage converter, an analog-to-digital converter, a singlechip, a power amplifier and a stepping motor, wherein the sensor is fixed on a solar panel; the power amplifier amplifies a pulse control signal output by the singlechip; and the stepping motor receives the pulse control signal output and amplified by the power amplifier, and drives a solar battery to rotate according to the indication of the pulse signal. A solar inclined single-shaft tracking method and the solar inclined single-shaft tracking system can enable the solar battery to track the sun at all times, so as to improve the utilization efficiency of solar energy, and a photovoltaic system adopting the method and thedevice has the advantage of high power generation ratio.

Description

Technical field [0001] The invention relates to the field of photovoltaic technology, in particular to a solar oblique single-axis tracking method and system. Background technique [0002] With the increasingly prominent energy and environmental issues, the development and utilization of renewable energy has gradually attracted the attention of the world. Solar energy has become a rapidly developing renewable energy source due to its cleanliness, wide distribution, and convenient utilization. Solar photovoltaic power generation is one of the main forms of solar energy utilization, but due to the high price of solar panels, the cost of photovoltaic power generation remains high, thus restricting the development of the solar photovoltaic power generation industry. Therefore, how to improve the utilization efficiency of solar energy and reduce the cost of solar energy utilization has become a hot research topic. [0003] Studies have shown that when the sun shines on the inclined su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D3/12G05F1/67H02N6/00H02S20/32
CPCY02E10/50
Inventor 时剑金明邱先文陈志强
Owner 常州佳讯光电系统工程有限公司
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