Patent Application
20080115830
The present invention relates to a test device; more particularly, relates to focusing light on solar cells through a solar concentrator module for obtaining photoelectric characteristics.
A prior art of a test device for a concentrator module for solar cell, as shown in
Although the prior art tests the photoelectric characteristics of the module, the light source 4 has to be located at a position far from the solar concentrator cells 3 to simulate a parallel light like a sun light; and so, the light may become too weak to be applied and the light source 4 is hard to be positioned at a required place exactly. Besides, to simulate the sun light, the light source module 4 is positioned so far away that a big space is required and so much room is wasted Hence, the prior art does not fulfill users' requests on actual use.
The main purpose of the present invention is to emit a parallel light from a light source module to a first Fresnel lens through a second Fresnel lens to be focused on a solar cell to effectively test photoelectric characteristics of a solar concentrator module.
To achieve the above purpose, the present invention is a test device for a solar concentrator module, comprising a solar concentrator module and a light source module, where the solar concentrator module has a plurality of first Fresnel lenses and a plurality of solar cells; each first Fresnel lens has a flat surface and an indentation surface; the indentation surface of each first Fresnel lens is corresponding to the solar cell; each light source module is piled upon a solar concentrator module; the light source module comprises a plurality of lighting devices and a plurality of second Fresnel lenses; the second Fresnel lens has a flat surface and an indentation surface; the flat surface of the second Fresnel lens is corresponding to the flat surface of the first Fresnel lens; and the indentation surface is corresponding to the lighting device. Accordingly, a novel test device for a solar concentrator module is obtained.
The present invention will be better understood from the following detailed description of the preferred embodiment according to the present invention, taken in conjunction with the accompanying drawings, in which
The following description of the preferred embodiment is provided to understand the features and the structures of the present invention.
Please refer to
The solar concentrator module 1 comprises a plurality of first Fresnel lenses 11 and a plurality of the solar cells 12, where the plurality of the first Fresnel lenses 11 and the plurality of the solar cells 12 are separately deposed on two opposite surfaces of a framework 13; the framework 13 is constructed by connecting a plurality of horizontal bars 131 and a plurality of vertical bars 132; the first Fresnel lens 11 has a flat surface 111 and a n indentation surface 112; and the indentation surface 112 of the first Fresnel lens 11 is corresponding to the solar cell 12.
The light source module 2 is piled up on the solar concentrator module 1. The light source module 2 comprises a plurality of lighting devices 21 and a plurality of second Fresnel lenses 22; the plurality of the lighting devices 21 and the plurality of the second Fresnel lenses 22 are deposed on two opposite surfaces of a framework 23; the framework 23 is constructed by connecting a plurality of horizontal bars 231 and a plurality of vertical bars 232; the second Fresnel lens 22 has a flat surface 221 and an indentation surface 222; the flat surface 221 of the second Fresnel lens 22 is corresponding to the flat surface 111 of the first Fresnel lens 11; the indentation surface 222 of the second Fresnel lens 22 is corresponding to the lighting device 21; and, the lighting device 21 is a light emitting diode, a fiber optic illuminator or a light bulb. Thus, a novel test device for a solar concentrator module is obtained.
Please refer to
In the other hand, another main characteristic of the present invention is described as follows. The light source module 2 is obtained by replacing the solar cells 12 of the solar concentrator module 1 with the lighting devices 21, located at focal points of the solar cells 12 of the solar concentrator module 1. Then the light source module 2 reversed is piled up on the solar concentrator module 1 to obtain the present invention. By doing so, photoelectric characteristics of the solar concentrator module 1 are tested with greatly reduced cost.
To sum up, the present invention is a test device for a solar concentrator module, where parallel light is emitted from a light source module to first Fresnel lenses through second Fresnel lenses to be focused on solar cells to effectively test photo electric characteristics of the solar concentrator module.
The preferred embodiment herein disclosed is not intended to unnecessarily limit the scope of the invention. Therefore, simple modifications or variations belonging to the equivalent of the scope of the claims and the instructions disclosed herein for a patent are all within the scope of the present invention.
