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Method for converting the energy of solar radiation into an electrical current and heat by means of colour-selective interference filter mirrors, and a device pertaining to a concentrator/solar collec

A technology of solar radiation and interference filtering, applied in the field of photovoltaic cells, can solve problems such as the durability of interference mirror film pollution

Inactive Publication Date: 2007-03-14
德特勒夫·舒尔茨
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Other problems that arise when using solar collectors are surface contamination and durability of such interference mirror films under typical weather conditions

Method used

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  • Method for converting the energy of solar radiation into an electrical current and heat by means of colour-selective interference filter mirrors, and a device pertaining to a concentrator/solar collec
  • Method for converting the energy of solar radiation into an electrical current and heat by means of colour-selective interference filter mirrors, and a device pertaining to a concentrator/solar collec
  • Method for converting the energy of solar radiation into an electrical current and heat by means of colour-selective interference filter mirrors, and a device pertaining to a concentrator/solar collec

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Embodiment Construction

[0008] Figure 1 shows how the device of the invention can be designed as an embodiment with refractive concentrators.

[0009]A plurality of convex Fresnel lenses 1 are mounted on a light-transmissive upper boundary plate exposed to light in the frame 6 . They are always aligned perpendicular to the position of the sun, and the outside of the upper boundary plate is preferably coated with anti-reflective or easy-to-clean material (dust- and water-repellent surface). The lower boundary plate 8 is located below and parallel to the upper boundary plate with the Fresnel lens 1 . The two boundary panels and the side walls of the frame 6 form a more or less dust and watertight box. The depth of the frame 6 , ie the distance between the upper Fresnel lens 1 and the lower boundary plate 8 , corresponds approximately to the focal length of the Fresnel lens 1 used. A germanium photovoltaic cell for NIR radiation has been mounted precisely where the focus of the Fresnel lens 1 is locat...

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Abstract

The invention relates to a method and a concentrator / solar collector for splitting solar radiation into various spectral colours by means of colour-selective mirrors, and for concentrating the same onto a plurality of semiconductor-photovoltaic cells optimised for various light colours. The inventive device is used to convert the energy of the solar radiation into an electrical current and heat with a high efficiency.

Description

technical field [0001] The invention relates to a method for separating solar radiation into several spectral colors by means of a color-selective reflector and concentrating this radiation in a photovoltaic cell made of semiconductors optimized for the different light colors, and a concentrator as a related device Energy device type solar collectors (Konzentrator-Solarkollektors). The object of the present invention is to efficiently convert the energy of solar radiation into electrical and thermal energy. Background technique [0002] Different solar radiation collectors and energy converters already exist. Solar thermal collectors (Thermische Sonnenkollektoren), which convert collected solar radiation into heat energy, are widely used in air conditioning. This form of energy heats the carrier medium (water, oil, gas, etc.) and can be combined with thermodynamic work cycles such as heat pumps, Stirling motors and Rankine-Kreisprozessen. This indirect conversion of energ...

Claims

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Application Information

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IPC IPC(8): H01L31/052F24J2/06H01L31/0216F24S23/00F24S23/30F24S23/70
CPCY02E10/52F24J2/085F24J2/1047H01L31/052H01L31/0543H01L31/054F21S11/00H01L31/0522F24J2/067Y02E10/43H01L31/0547F21V14/006H01L31/0521F24S23/80F24S23/12F24S23/31Y02E10/40
Inventor 德特勒夫·舒尔茨
Owner 德特勒夫·舒尔茨
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