CN202805806U

CN202805806U - Glass ball plate for tracing-free condensed solar battery

Info

Publication number: CN202805806U
Application number: CN2012204842306U
Authority: CN
Inventors: 王芸; 沈洪雪; 彭程
Original assignee: China Triumph International Engineering Co Ltd; Bengbu Glass Industry Design and Research Institute
Current assignee: China Triumph International Engineering Co Ltd; Bengbu Glass Industry Design and Research Institute
Priority date: 2012-09-21
Filing date: 2012-09-21
Publication date: 2013-03-20
Anticipated expiration: 2022-09-21

Abstract

The utility model relates to a glass tiny ball plate used for a tracing-free condensed solar battery. The glass tiny ball plate is characterized in that A, B and C layers of hollow glass microsphere superimposed layers with different refractive indexes and same particle diameter are sintered between two high penetrating ultrawhite photovoltaic glass substrates (7,8). The glass tiny ball plate provided by the utility model has the advantages that the sunlight of an input end face of a glass ball plate inputs in any angle, and finally, most of the sunlight are output in a vertical state angle on the output end; and the glass ball plate provided by the utility model does not need a counterglow tracking system and a fresnel lens, and the manufacturing cost of a solar battery assembly is greatly reduced.

Description

Without tracing collection formula used for solar batteries glass marble plate

Technical field

The utility model relates to the solar cell photovoltaic field, and particularly used for solar batteries need not the saturating ultra-white photovoltaic glass plate of the height of following the tracks of day.

Background technology

Show according to related data, global coal reserve amount is only enough used about 70 years, and the storage level of oil still less, after 50 years, will use totally greatly, therefore in today of energy worsening shortages, inexhaustible solar energy more and more obtains people's attention in recent years, and it also becomes one of most active research topic in present various countries.But the solar module cost of great number remains a principal element of restriction photovoltaic generation large-scale application at present.

For the cost that reduces photovoltaic generating system improves the unit are generated energy simultaneously, abroad some developed countries all at a kind of condensation photovoltaic battery of research, namely converge to sunshine on the photovoltaic cell by a condenser system.Improved on the one hand generated energy, reduced on the other hand cost of electricity-generating, namely adopted a kind of twin shaft to the day tracking system, but this system architecture is complicated and be subject to easily the impact of surrounding environment and special weather, so its cisco unity malfunction sometimes, and then do not reach the effect that takes full advantage of solar energy.The result causes solar cell stability greatly to reduce.As calculated, although adopted twin shaft that the more previous solar module cost of day tracking system is decreased, overall cost is still higher, and particularly this twin shaft to day tracking system account for especially 2/3rds of totle drilling cost.

The utility model content

The purpose of this utility model is exactly that what provide is a kind of without tracing collection formula used for solar batteries glass marble plate for the complex structure that solves existing solar cell condenser system existence, shortcoming with high costs.

To achieve these goals, the utility model has adopted following technical scheme:

A kind of without tracing collection formula used for solar batteries glass marble plate, be bonded with the hollow glass micropearl that at least 2 layers of same particle size, refractive index increase successively between two high ultra-white photovoltaic glass, described hollow glass micropearl and two high ultra-white photovoltaic glass form the glass marble plates through high temperature sinterings.

Every layer of hollow glass micropearl utilizes the polyesters organic gel to combine, the hollow glass micropearl of different refractivity carries out layering and progressively smears, namely utilize painting machine evenly to be coated with spreading refractive index at bottom ultra-clear glasses substrate first is higher hollow glass micropearl, thickness is about 0.15mm-0.2mm, then in annealing furnace, carry out 100 ℃ of insulations 5 minutes, coating is hardened slightly, carry out again smearing of hollow glass micropearl that refractive index successively decreases, then repeat above-mentioned steps, after having smeared last one deck hollow glass, add high thoroughly ultra-clear glasses substrate on the cap layer, then whole glass marble plate carries out high-temperature process in 350 ℃ ~ 650 ℃, processing time is 2 ~ 6h, piles up theoretically according to close packing, and the later hollow glass micropearl of air cooling can automatically carry out close packing and arrange.The hollow glass micropearl that refractive index is different obtains for carrying out sintering according to different frit prescriptions.

By to temperature, the arrangement mode of hollow glass is controlled in the adjusting of time, need not in the utility model arrangement mode is deliberately controlled, and makes it pile up theory according to close packing and carries out close packing arrangement mode and arrange and get final product.The hollow glass micropearl of every layer of different refractivity is all arranged according to close packing mode after the sintering like this, the incident sunshine enters the hollow glass micropearl of different refractivity, because every layer of refractive index difference, its refraction angle changes when entering lower one deck, when sunshine progressively passes through every one deck hollow glass micropearl, finally export with the angle perpendicular to solar cell in output refract light major part, then shine directly on the solar cell.This moment, solar cell just obtained the sunshine from different directions, had realized the purpose without tracking of solar cell, had reached the target that reduces the solar module cost.

The beneficial effects of the utility model are: adopt a kind of without motion tracking solar battery condensation photovoltaic glass microsphere plate, its installation is more convenient, cost is lower, and its stability is higher, has improved conversion efficiency, and it has effectively avoided expensive, low stability, the lower twin shaft of conversion ratio greatly reduces the cost of solar module to the use of day tracking system, has also played certain impetus for extensively popularizing of solar cell simultaneously.

Below in conjunction with accompanying drawing the utility model is further specified.

Fig. 1 is structure principle chart of the present utility model.

The specific embodiment

In Fig. 1, between the high thoroughly ultra-clear glasses 7 of top layer, the high saturating ultra-clear glasses substrate 8 of bottom, be provided with the glass microsphere that A, B, three layers of hollow glass micropearl of C are superimposed and form, its refractive index is 1.50 ~ 1.93 from top to down, and used hollow glass micropearl particle diameter is selected between 10 μ～60 μ.

The hollow glass micropearl of different refractivity carries out layering and progressively smears, every layer of hollow glass micropearl utilizes the polyesters organic gel to combine, namely first utilizing painting machine evenly to be coated with to spread refractive index at ultra-clear glasses substrate 8 is 1.93 hollow glass micropearl, thickness is about 0.15mm-0.2mm, then in annealing furnace, carry out 100 ℃ of insulations 5 minutes, coating is hardened slightly, carry out again refractive index and be smearing of 1.83 hollow glass micropearl, then repeat above-mentioned steps, smearing when last one deck refractive index is 1.5 hollow glass, add high thoroughly ultra-clear glasses substrate 7 thereon, then whole glass marble plate carries out high-temperature process in 350 ℃ ~ 650 ℃, processing time is 2 ~ 6h, piles up theoretically according to close packing, and the later hollow glass micropearl of air cooling can automatically carry out close packing and arrange.The hollow glass micropearl that refractive index is different obtains for carrying out sintering according to different frit prescriptions, and the secret problem that it belongs to another group membership of this Research team just repeats no more here.

Operation principle of the present utility model is: the sunshine 1 and 3 that is not orthogonal to the glass microsphere plate shines on the glass microsphere plate by the saturating ultra-clear glasses 7 of height, because the refractive index of every one deck glass microsphere plate is all different, the refraction of the hollow glass micropearl of sunshine 1 and 3 process different refractivities, its refraction angle changes, the final refract light 4 and 6 that forms perpendicular to the saturating ultra-clear glasses 8 of height, and directly form refract light 5 perpendicular to the saturating ultra-clear glasses 8 of height perpendicular to the refraction by the glass microsphere plate of the incident light 2 of the saturating ultra-clear glasses 7 of height, be at last the refract light 4 of plumbness, 5,6 shine directly into and carry out photovoltaic generation on the solar cell.

Claims

1. one kind without tracing collection formula used for solar batteries glass marble plate, it is characterized in that being bonded with between two high ultra-white photovoltaic glass the hollow glass micropearl that at least 2 layers of same particle size, refractive index increase successively, described hollow glass micropearl and two high ultra-white photovoltaic glass form the glass marble plates through high temperature sinterings.