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High-efficient solar photovoltaic battery condensation device

A photovoltaic cell and concentrating device technology, which is applied in the field of solar photovoltaic cell devices and high-efficiency solar photovoltaic cell concentrating devices, can solve the problems of difficult Fresnel lens processing technology, limited light concentrating efficiency, and difficult processing, etc. The effect of simple structure, small beam dispersion and convenient processing

Inactive Publication Date: 2012-12-26
FUDING YIXIONG OPTICS APP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the processing technology for making Fresnel lenses is relatively difficult, and the cost of investment is relatively high, especially the larger the light-receiving area, the more difficult the processing (mainly the production of die-casting molds and plastic processing), and it is made of quality Made of soft plastic materials, it is difficult to protect under poor environmental conditions, and generally has a short lifespan, which is not conducive to large-scale promotion
It is easier to make multi-faceted reflectors to concentrate light, but the enhanced light-gathering efficiency it can enhance is relatively limited

Method used

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  • High-efficient solar photovoltaic battery condensation device
  • High-efficient solar photovoltaic battery condensation device
  • High-efficient solar photovoltaic battery condensation device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-1

[0050] The mirror surface of the primary reflector 1 is a symmetrical paraboloid or a quadric surface or a spherical surface, and the mirror surface of the secondary reflector 2 is a symmetrical paraboloid or a quadric surface or a spherical surface; the Cassegrain type teleconcentrator The focal plane of the light combination system is located at the rear side of the main reflector 1, and the center of the main reflector 1 is provided with a light-transmitting hole, and the light-receiving surface of the solar photovoltaic cell device 3 is located at the rear side of the light-transmitting hole and is located in the Cassegrain-type telescope. At or near the location of the focal plane of the far-concentrating combination system, the solar photovoltaic cell device 3 is composed of a single solar photovoltaic cell with a small light-receiving area, high conversion efficiency, and good heat resistance.

[0051] The mirror surfaces of the primary reflector 1 and the secondary refl...

Embodiment 1-2

[0061] The difference between the high-efficiency solar photovoltaic cell concentrating device provided in this embodiment and Embodiment 1-1 is that: the number of the concentrating units is multiple, the optical axes of each concentrating unit are parallel to each other, and the plurality of concentrating units The sub-reflectors 2 are pasted at different positions on the rear side of the same transparent optical glass plate.

[0062] Such as Figure 7 and Figure 8 Shown are 9 identical light-gathering units designed in the above-mentioned embodiment 1-1 at 1m 2 Schematic diagram of the combined optics of the whole machine. The optical axes of each concentrating system need to be adjusted to be parallel to each other. Due to the use of a unified protective glass, the more complex processing of mechanical parts for fixing is avoided, and the production cost can be reduced.

Embodiment 2-1

[0064] The mirror surface of the main reflector 1 is preferably a cylindrical paraboloid or a quadric surface or a spherical surface, and the mirror surface of the secondary reflector 2 is preferably a cylindrical paraboloid or a quadric surface or a spherical surface. The central axes of the cylinders of the reflector 2 are parallel to each other; the focal plane of the Cassegrain type telescopic concentrator system is located between the primary reflector 1 and the secondary reflector 2; the light-receiving surface of the solar photovoltaic cell device 3 is located on the card Between the focal plane of the Segren type telescopic concentrating combination system and the main reflector 1; the solar photovoltaic cell device 3 is composed of two or more light-receiving areas with large (generally greater than 30×30mm), low photoelectric conversion efficiency and durability. Solar photovoltaic cells with poor thermal performance are arranged along a direction parallel to the cent...

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Abstract

The invention relates to a high-efficient solar photovoltaic battery condensation device. The device is characterized by comprising more than one condensation unit; each condensation unit comprises a main reflection mirror, an auxiliary reflection mirror, a solar photovoltaic battery device, an auxiliary reflection mirror supporting and positioning device and a solar photovoltaic battery support,wherein the auxiliary reflection mirror supporting and positioning device is used for supporting the auxiliary reflection mirror; the solar photovoltaic battery support is used for supporting the solar photovoltaic battery support; the auxiliary reflection mirror is a convex mirror, and the main reflection mirror is a concave mirror with the caliber which is greater than that of the auxiliary reflection mirror; the auxiliary reflection mirror and the main reflection mirror are arranged in tandem along the optical axis direction and form a Cassegrain telescopic condensation combination system;and the light receiving surface of the solar photovoltaic battery device is positioned on the optical axis on the rear side of the auxiliary reflection mirror and is dead against the auxiliary reflection mirror. According to the invention, not only can the sunlight condensation multiplying factor of the solar photovoltaic battery be enhanced obviously, but also the structure is simple.

Description

technical field [0001] The invention relates to a photoelectric lens device, in particular to a high-efficiency solar photovoltaic cell concentrating device, which is suitable for various solar photovoltaic cell devices with precision sun trackers and needs to enhance the concentrating efficiency, and is especially suitable for using gallium arsenide, etc. A solar photovoltaic cell device with a small light-receiving area. Background technique [0002] In order to enhance the efficiency of solar photovoltaic cells in collecting sunlight, the methods currently used at home and abroad are generally to concentrate light through plastic die-casting Fresnel lenses or multi-faceted reflectors. These measures have achieved certain results. However, the processing technology for making Fresnel lenses is relatively difficult, and the cost of investment is relatively high. Made of soft plastic materials, it is difficult to protect under poor environmental conditions, and generally h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B19/00H01L31/052G02B7/182G02B5/10G02B6/00H02S40/42
CPCY02E10/52Y02E10/50
Inventor 王亦雄赖爱光林立生王亮亮李和善
Owner FUDING YIXIONG OPTICS APP
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