Corrugated Roof Sheet and Photovoltaic Assembly Comprising the Same
a photovoltaic and corrugated roof technology, applied in the direction of heat collector mounting/support, pv power plants, light and heating apparatus, etc., can solve the problems of increased installation cost, complicated maintenance, and increased mounting system cost, and achieve easy stalling and waterproofing, and cheap photovoltaic assembly
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first embodiment
[0028]Please refer to FIGS. 1A, 1B, 2 and 3. FIGS. 1A and 1B show cross-sectional views of a photovoltaic assembly installed on a drafter 210 according to the present invention. FIG. 2 shows an exemplary roof frame 200 and the photovoltaic assembly according to the present invention is installed on the roof frame 200. The roof frame 200 mainly comprises a ridge beam 240, a plurality of drafters 210 extending slantly from the ridge beam 240 toward a wall 250 and a purlin 220 spanning a plurality of drafters 210 to support the plurality of drafters 210. FIG. 3 shows a corrugated roof sheet 100 and its adjacent corrugated roof sheet 100′ which can be coupled to the drafter 210 by screws, bolts, etc.
[0029]Please refer to FIGS. 1A, 1B and 3. FIG. 1A shows the cross-sectional view of a photovoltaic assembly taken along the line A-A′ of FIG. 3. The corrugated roof sheet 100 has a bottom 1 and all the “heights” in this application are measured from the bottom 1 to a highest point of an elem...
fifth embodiment
[0037]In the fifth embodiment shown in FIGS. 6A and 6B, the first-side roof sheet edge portion 310 and the second-side roof sheet edge portion 320 jointly form a mushroom shape (the larger upper part is a trapezoid-shaped cap and the smaller lower part is a stem). The first-side roof sheet edge portion 310 engages with the second-side roof sheet edge portion 320′ of an adjacent corrugated roof sheet closely and the second-side roof sheet edge portion 320 is partially covered by the first-side roof sheet edge portion 310′ of another adjacent corrugated roof sheet closely. Therefore, the height H1 of the first-side roof sheet edge portion 310 (and 310′) would be grater than or substantially equivalent to the height h1 of the second-side roof sheet edge portion 320 (320′) and each of the first-side roof sheet edge portion 310 and the second-side roof sheet edge portion 320 takes a half of the mushroom shape in cross-sectional view. In this embodiment, the retaining cap 350 comprises an...
sixth embodiment
[0041]In the sixth embodiment, the corrugated roof sheets and the retaining cap 650 are all made in one structure respectively either by compression or by extrusion and are coupled tightly together through engagement and fastener 660. The features of this embodiment can be combined with features of other embodiments or details from other embodiments can be added into this embodiment. For example, the auxiliary stoppers 81-84 may be omitted. For example, the protruding portions 61-64 may have hooks by the lower edge of the photovoltaic panel. For example, the protruding portions 61-64 may have corner-rounded shape or other shapes. For example, the retaining cap of this embodiment may extend along the length direction of the corrugated roof sheet with a fixed width as shown in FIG. 6E. Or, the retaining cap of this embodiment may have multiple sub-portions disposed by four corners of the photovoltaic panel 95 as the sub-portions 53 shown in FIG. 5A. Or, combining FIGS. 6D and 6E, the ...
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