One-step molded light-duty PVT (photovoltaic-solar-thermal) assembly and preparation method therefor
A component and lightweight technology, applied in the field of one-time molding lightweight PVT components and its preparation, to achieve the effects of avoiding heavy weight, reducing production costs, and reducing component weight
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Embodiment 1
[0033] Such as figure 1 As shown, a one-time molding lightweight PVT assembly, the PVT assembly sequentially includes a front protective layer 1, a photovoltaic cell string layer 3, an isolation layer 4 and a heat collection layer 5, and an adhesive layer 2 is provided between adjacent two layers, and the PVT assembly After each layer is superimposed, an edge banding strip is provided on the outside.
Embodiment 2
[0035] Such as figure 1 As shown, a one-time molding lightweight PVT component, the PVT component sequentially includes a transparent PET polymer film front protective layer 1 with a thickness of 0.5 mm from the light-facing surface to the back-light surface, and a POE adhesive layer 2 with a thickness of 0.5 mm. A photovoltaic cell string layer 3 prepared by serial welding of 60 monocrystalline cells on the front side, an EVA adhesive layer 2 with a thickness of 0.5 mm, a PVDF isolation layer 4 with a thickness of 0.3 mm, and an EVA adhesive layer 2 with a thickness of 0.5 mm. 5mm heat collecting layer 5 of single-sided inflated aluminum alloy plate, after each layer is stacked, a butyl rubber edge band is set outside the PVT module.
Embodiment 3
[0037] Such as figure 1 As shown, a one-time molding lightweight PVT component, the PVT component sequentially includes a tempered glass front protective layer 1 with a thickness of 0.5mm from the light-facing surface to the backlight surface, and a POE adhesive layer 2 with a thickness of 0.5mm, consisting of 72 single-piece The photovoltaic cell string layer 3 prepared by serial welding on the front side of the crystal cell, the EVA adhesive layer 2 with a thickness of 0.5 mm, the PVDF isolation layer 4 with a thickness of 0.3 mm, the EVA adhesive layer 2 with a thickness of 0.5 mm, and the single layer with a thickness of 5 mm Surface inflatable aluminum alloy plate heat collecting layer 5, and after each layer is stacked, butyl rubber edge banding is set outside the PVT module.
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