An adjustable floor-mounted arc-shaped low-magnification solar concentrator and its concentrating method
A solar concentrator, an adjustable technology, applied in photovoltaic power generation, photovoltaic modules, electrical components, etc., can solve the problem of unsuitable monocrystalline silicon and polycrystalline silicon photovoltaic power generation cells, refractive concentrators with high concentration ratio, daily tracking The problem of high system accuracy requirements, to achieve the effect of improving adjustment flexibility, increasing power generation, and simple and reliable structure
Active Publication Date: 2016-09-21
西安利能科技有限责任公司
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Problems solved by technology
Refractive concentrators have a high concentration ratio, use fewer batteries, and have high requirements for the accuracy of the sun tracking system. Multi-junction III-V solar cells (that is, gallium arsenide cells) are often used, and the cost is relatively expensive.
[0004] At present, monocrystalline silicon and polycrystalline silicon photovoltaic cells have been put into production and mass-produced in China. To increase their power generation, it is mainly achieved through the use of solar tracking systems, which will increase the cost, and the tracking system is The bearing rotates cyclically, and it is easy to be damaged when driving the heavy solar photovoltaic panel to rotate. The concentrator used for multi-junction III-V solar cells is not suitable for monocrystalline silicon and polycrystalline silicon photovoltaic power generation cells due to its high concentration ratio.
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[0035] An adjustable floor-standing arc triple solar concentrator, including a base support and a reflective surface. The reflective surface is divided into the first half ( figure 1 middle ABDC surface) and the second half ( figure 1 Middle EFHG surface), the front and rear parts can be adjusted independently.
[0036] Such as Figure 1 ~ Figure 3 As shown, the reflective surface is composed of two arc-shaped surfaces, front and rear, and the distance between the two arc-shaped surfaces is 30cm to facilitate the adjustment work in changing seasons. The entire reflecting surface is composed of 14 isosceles trapezoidal reflecting surface units. The first half is composed of 8 reflective surface units with an upper base of 70 cm, a lower base of 100 cm, and a height of 200 cm; the second half is composed of 6 reflective surface units with an upper base of 60 cm, a lower base of 100 cm, and a height of 200 cm. Two materials are used for the reflector unit, namely 8K mirror st...
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The invention provides an adjustable on-situ arc-shaped low-power solar light gathering device and a light gathering method thereof. The adjustable on-situ arc-shaped low-power solar light gathering device comprises a reflecting assembly and a bottom post support frame, wherein the height of the bottom post support frame can be adjustable, the bottom post support frame is used for supporting the reflecting assembly, the reflecting assembly is an arc-shaped reflecting surface formed by splicing a plurality of reflecting surface units, the reflecting surface unit ranged in the middle position of the reflecting assembly is made of brushed stainless steel materials, the reflecting surface units arranged at the two sides of the middle position are made of mirror surface stainless steel materials, the position and the posture of the solar light gathering device can be regulated according to the season change through regulating the height of the bottom post support frame and the radian of the reflecting surface units, the light gathering intensity can be flexibly regulated, the power generating efficiency is improved, and the service life of a solar panel is protected; meanwhile, through the combination of the mirror surface stainless steel materials and the brushed stainless steel materials, the light gathering intensity can be more easily controlled, and the regulation complexity degree of the reflecting surface units is lowered.
Description
technical field [0001] The invention relates to auxiliary equipment for solar photovoltaic power generation components, in particular to an adjustable floor-mounted arc-shaped low-power solar concentrator and a concentrating method thereof. Background technique [0002] Solar energy is green energy, and using solar energy to generate electricity is the main form. But now the efficiency of solar power generation is low and the power generation is small, resulting in large investment and long payback period. In order to generate more power and shorten the recycling cycle, either increase the photoelectric conversion rate or increase the light intensity. Concentrating photovoltaic power generation technology (CPV) is to increase the light intensity to achieve more power generation and reduce the cost of photovoltaic power generation. [0003] The existing concentrating photovoltaic power generation components mainly include two types: reflective structure and refraction struc...
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IPC IPC(8): H02S40/22
CPCY02E10/52
Inventor 刘英旭路婷栾维滨安宏彦
Owner 西安利能科技有限责任公司