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Sun tracking and positioning device and method based on sundial

A technology of sun tracking and positioning device, applied in the field of sun positioning, can solve the problems of low power generation efficiency, high power generation cost, restricting large-scale application, etc., and achieve the effect of strong anti-interference ability

Inactive Publication Date: 2011-09-14
ZHEJIANG UNIV
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  • Abstract
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Problems solved by technology

Solar power can provide sustainable energy for human beings, but its low power generation efficiency and relatively high cost of power generation restrict its large-scale application

Method used

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  • Sun tracking and positioning device and method based on sundial
  • Sun tracking and positioning device and method based on sundial
  • Sun tracking and positioning device and method based on sundial

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Embodiment Construction

[0024] The purpose and effects of the present invention will become more apparent by describing the present invention in detail below with reference to the accompanying drawings.

[0025] Such as figure 1 As shown, the sun tracking and positioning device based on the sundial of the present invention is mainly composed of a digital signal processing device, a data acquisition device, and a sundial connected in sequence; wherein, the sundial is mainly composed of a sundial surface and a watch, and shadows are generated according to changes in the sun's irradiation angle. The data acquisition device includes several photosensitive elements, a comparative photosensitive element and a data converter, the photosensitive element and the comparative photosensitive element are respectively connected with the data converter, and the data acquisition device obtains a digital signal according to the shadow produced by the sundial, and transmits the signal To a digital signal processing de...

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Abstract

The invention discloses a sun tracking and positioning device and method based on a sundial. The sun tracking and positioning device mainly comprises a digital signal processing device, a data acquiring device, a sundial and the like which are sequentially connected, wherein the sundial generates a corresponding shadow on a shadow surface of the sundial according to the change of a sun illumination position; the data acquiring device is used for converting shadow information on the shadow surface into digital electric signals; the digital signal processing device is used for processing the input signals and reducing the shadow information on the shadow surface of the sundial; and a sun level azimuth angle and a sun height azimuth angle are calculated to obtain the sun position. The sun tracking and positioning device is used for acquiring sun azimuth information in real time and obtaining the sun accurate azimuth, has the advantages of stability and reliability as well as strong antijamming capability, and is suitable for most of solar energy utilizing devices.

Description

technical field [0001] The invention relates to the technical field of sun positioning, in particular to a sundial-based sun tracking and positioning device and method. Background technique [0002] In today's increasingly serious energy crisis, the utilization of new energy sources such as solar energy has great potential. As a green energy source, solar energy has been paid more and more attention by people. Solar power generation can provide sustainable energy for human beings, but its low power generation efficiency and relatively high cost of power generation restrict its large-scale application. [0003] Illuminance obtained by solar panels , where is the angle between the incident ray and the normal of the illuminated surface, express When it is 0 degrees, the illuminance obtained by the solar power generation panel. The greater the illuminance, the greater the photocurrent generated by the photovoltaic panel. [0004] It can be seen that the solar automatic ...

Claims

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Application Information

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IPC IPC(8): G05D3/12
Inventor 孟濬王路克谢小玲
Owner ZHEJIANG UNIV
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