Double-glass-layer photovoltaic module
A double-glass photovoltaic and component technology, applied in the field of solar cells, can solve problems such as poor impact resistance, low light utilization rate, and poor optical characteristics, and achieve the effects of reasonable design structure, high light utilization rate, and improved adhesion
Inactive Publication Date: 2012-12-12
ZNSHINE PV TECH
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Problems solved by technology
[0004] The above-mentioned double-glass photovoltaic module has poor adhesion between the glass layer and the solar cell sheet, low light utilization rate, poor optical characteristics, poor impact resistance, and short service life.
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[0012] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.
[0013] Such as figure 1 The double-glass photovoltaic module shown includes a monocrystalline silicon cell 1, a first PVB adhesive film layer 4 is pasted on the upper surface of the monocrystalline silicon cell 1, and a back plate layer 5 is provided on the first PVB adhesive film layer 4. , the backplane layer 5 is provided with an EVA film layer 6, the backplane glass layer 2 is covered on the EVA film layer 6, a second PVB film layer 7 is pasted on the lower surface of the monocrystalline silicon cell 1, and the tempered glass layer 3 is covered on the second PVB adhesive film layer 7.
[0014] In the double-glass photovoltaic module of the present invent...
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The invention relates to a double-glass-layer photovoltaic module which comprises a monocrystalline silicon cell, a rear panel glass layer and a toughened glass layer. A first PVB (polyvinyl butyral) rubber film layer is adhered on the upper surface of the monocrystalline silicon cell, an ultrathin highly-transparent rear panel layer is arranged on the first PVB rubber film layer, an EVA (ethylene-vinyl acetate) rubber film layer is arranged on the ultrathin highly-transparent rear panel layer, the rear panel glass layer covers the EVA rubber film layer, a second PVB rubber film layer is adhered on the lower surface of the monocrystalline silicon cell, and the toughened glass layer covers the second PVB rubber film layer. The EVA rubber film layer is sandwiched between the rear panel glass layer and the monocrystalline silicon cell, so that adhesive force, durability and optical characteristics can be effectively improved, and the double-glass-layer photovoltaic module is reasonable in design structure and high in light use efficiency.
Description
technical field [0001] The invention relates to the field of solar cells, in particular to a double-glass photovoltaic module. Background technique [0002] With the development of world industry, oil, natural gas, coal and other resources are being exhausted day by day. Human thinking about resources has led to great development of solar energy utilization technology. At present, the world's photovoltaic industry is developing at a high speed with an average annual growth rate of 31.2%. It ranks first in the growth rate of the global energy power generation market. In recent years, with the rapid development of the photovoltaic industry, monocrystalline silicon has been used to make solar cells, presenting a situation in short supply. When the solar panel is irradiated by sunlight, the light energy is immediately converted into electrical energy, and it can generate electricity continuously, and can work continuously for more than 20 years. The direct current generated by...
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IPC IPC(8): H01L31/048
CPCY02E10/50
Inventor 王桂奋谢德兵王迎春
Owner ZNSHINE PV TECH