Back light barrier applied to power test of double-sided double-glass assembly
A technology for double-glass components and power testing, applied in the field of light barriers, can solve problems such as non-standard styles, and achieve the effect of improving the light absorption effect
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Embodiment 1
[0014] see Figure 1-2 , the present invention provides a back light barrier for power testing of double-sided double-glass components, comprising a light barrier 2, the surface of the light barrier 2 is provided with a light refraction part, the outer surface of the light refraction part is provided with a layer of inkjet coating 3, sprayed The ink coating 3 is sprayed with matte black, and the light refraction part is a polygonal cone, and the edges of each group of light refraction parts are connected to each other. The vertebral body is a quadrangular vertebral body and is pyramid-shaped.
specific Embodiment 2
[0016] The difference from the specific embodiment 1 is that the light refraction part is a polygonal cone concave toward the inside of the light blocking plate 2, and the polygonal cone is a quadrangular cone, in the shape of a concave pyramid
[0017] To sum up, when testing the electrical properties of double-sided solar cells or components, the light-absorbing plate with the above-mentioned surface structure will be placed behind the double-sided solar cells or components. In the above-mentioned technical scheme structure, the fundamental principle is Change the angle of light reflection to make multiple reflections. Since the surface of the structure is treated with matte black, after the light is reflected multiple times, the final amount of reflected light will be reduced, improving the light-absorbing effect of the light baffle.
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