A kind of lightweight photovoltaic component of transparent lamina top panel
Technical field
The utility model relates to a kind of photovoltaic component for building, and especially a kind of lightweight photovoltaic component take the thin transparent laminate as top panel belongs to solar photovoltaic building integrated technique field.
Background technology
Solar photovoltaic building is integrated is the important directions of following solar energy research and application, double glazing solar photovoltaic assembly (be called for short two glass assemblies) is as one of integrated form of solar photovoltaic building, is widely used in the zones such as photovoltaic curtain wall (bilayer or individual layer), photovoltaic door and window, lighting roof of building.Although common double glass assembly manufacture craft is ripe, the member outward appearance is passed through to become clear, the engineering application state from present mainly has the following disadvantages: 1. component heat dispersion is low, and during assembly work, the accumulation of heat affects solar battery efficiency; 2. deadweight is larger, affects structural safety.Two glass assemblies generally adopt the double-deck toughened glass of about 5mm thickness, though intensity can satisfy building requirements fully, it has in various degree impact from great to aspects such as installation, structural safeties; 3. increasingly mature along with preparation technology, the cost degradation of two glass assemblies is the active demands in market, is also the trend of two glass assemblies development.
The utility model content
For the problem that above-mentioned prior art exists, the utility model purpose is that a kind of transparent thin layer sheet material is combined with solar cell as top panel, provide a kind of have battery efficiency high, from lightweight, the high-efficiency photovoltaic member of the characteristics such as heavy and light, cost are low.
The technical solution of the utility model is: a kind of lightweight photovoltaic component of transparent lamina top panel mainly comprises transparent lamina sheet material, solar cell, transparency glass plate, colloid adhesive layer and outer rim.It is characterized in that take described transparent lamina sheet material as top panel, take described transparency glass plate as lower panel, described colloid adhesive layer between upper and lower panel, and is bonded into an integral body with upper and lower panel with the solar cell involution.Described outer rim wraps up the edge of whole photovoltaic component, plays protection, encapsulates and be convenient to and install.
The lightweight photovoltaic component of above-mentioned a kind of transparent lamina top panel, its top panel are the panel of being close to the solar cell phototropic face, and lower panel is the panel of being close to backlight of solar cell.
The lightweight photovoltaic component of above-mentioned a kind of transparent lamina top panel, its transparent lamina sheet material used is: PET film, FRP thin plate, PC thin plate or clear glass thin plate.Clear glass thin plate material is conventional clear glass or ultra-clear glasses.
The lightweight photovoltaic component of above-mentioned a kind of transparent lamina top panel, its transparency glass plate material used is: conventional clear glass or ultra-clear glasses.
The lightweight photovoltaic component of above-mentioned a kind of transparent lamina top panel, its solar cell used is: monocrystalline silicon battery, polycrystal silicon cell, amorphous silicon film battery, microcrystalline silicon film battery, copper indium gallium selenide film battery, Cadimium telluride thin film battery, coating solar cell or organic solar batteries.
The lightweight photovoltaic component of above-mentioned a kind of transparent lamina top panel, its colloid adhesive layer used is dry method doubling or wet method doubling.Colloidal materials is PVB, EVA or liquid casting glue.
The lightweight photovoltaic component of above-mentioned a kind of transparent lamina top panel, its outer rim material used is: metal, high strength plastics or aluminium-plastic panel.
The transparent lamina sheet material that the utility model top panel adopts, at first its light transmission is good, does not affect battery efficiency, has guaranteed architectural lighting and photovoltaic generation; In addition, it has reduced the additional load of photovoltaic component to building structure itself from heavy and light (having reduced approximately 30%-45%); Moreover thin layer sheet material is conducive to the member heat radiation as top panel, thereby improves battery efficiency.The utility model lower panel (backboard) adopts has certain thickness transparency glass plate, does not only affect the transmission of light, can also provide certain strength and stiffness for whole member.
Description of drawings
Fig. 1: a kind of cross-sectional view of the present utility model;
Fig. 2: another kind of cross-sectional view of the present utility model.
In Fig. 1-2,1 is the transparent lamina top panel, and 2 is the monocrystaline silicon solar cell sheet, and 3 is the colloid adhesive layer, and 4 is the clear glass lower panel, and 5 is thin-film solar cells, and 6 pick out end for electrode.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
The utility model is in reality is implemented, and for guaranteeing thermal diffusivity and battery efficiency, the thin layer sheet metal thickness that top panel adopts should be controlled between 0.1mm-2mm, and the present embodiment is selected the 0.2mmFRP plate; Lower panel is to make whole member have the deadweight that certain intensity is taken into account member simultaneously, and its transparency glass plate that adopts is preferably ultrawhite toughened glass, and thickness should be controlled between 5mm-15mm, and the present embodiment is selected the ultrawhite armorplate glass of 0.5mm thickness.
Shown in Figure 1 is a kind of embodiment of the present utility model, it arranges monocrystaline silicon solar cell sheet 2 between transparent lamina top panel 1 and clear glass lower panel 4, by colloid adhesive layer 3, monocrystaline silicon solar cell sheet 2 involutions are got up, and transparent lamina top panel 1, clear glass lower panel 4 are bonded into an integral body.Monocrystaline silicon solar cell sheet 2, picks out end 6 by electrode and picks out with series connection or mode UNICOM in parallel by conduction band after converging.
Shown in Figure 2 is another kind of embodiment of the present utility model, it arranges thin-film solar cells 5 between transparent lamina top panel 1 and clear glass lower panel 4, thin-film solar cells 5 directly is plated in the inboard of clear glass lower panel 4, and colloid adhesive layer 3 is bonded into an integral body with transparent lamina top panel 1, clear glass lower panel 4 together with thin-film solar cells 5.Battery in thin-film solar cells 5 is pooled to electrode terminal 6 and picks out with series connection or mode UNICOM in parallel.
The technical solution of the utility model is not limited to above-described embodiment; in the ken that those of ordinary skills possess; can also make various variations under the prerequisite that does not break away from the utility model aim; from all distortion that the disclosed content of the utility model directly derives or associates, all should think protection range of the present utility model.