Light-weight explosion-proof double-glass photovoltaic module
A double-glass photovoltaic and lightweight technology, applied in the field of solar photovoltaic power generation, can solve the problems of poor explosion-proof effect of explosion-proof photovoltaic modules, complicated production process, poor weather resistance, etc., to meet the strength requirements, no failure of insulation performance, and prevent ignition Effect
Pending Publication Date: 2021-04-09
CHANGZHOU ALMADEN
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Problems solved by technology
[0005] In order to solve the problems of poor explosion-proof effect, heavy weight, poor weather resistance and complicated production process of explosion-proof photovoltaic modules in the prior art, the present invention provides a lightweight explosion-proof double-glass photovoltaic module
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[0026] Such as Figure 1~5 As shown, a lightweight explosion-proof double-glass photovoltaic module includes an upper explosion-proof glass 1, a lower explosion-proof glass 2, a solar photovoltaic cell 3, and an explosion-proof junction box 4. The upper explosion-proof glass 1 and the lower explosion-proof glass 2 pass through at least two layers of explosion-proof Adhesive film 5 packaging, the solar photovoltaic cell 3 is encapsulated between at least two layers of the explosion-proof adhesive film 5, the upper layer of explosion-proof glass 1, the lower layer of explosion-proof glass 2, the solar photovoltaic cell 3 and at least two layers of explosion-proof adhesive film 5 The total thickness (that is, the total thickness of the double-glass photovoltaic module) is H, and its range is 4.5mm≤H≤5mm; wherein, the thickness of the upper explosion-proof glass 1 is h1, and its range is 1mm≤h1≤2mm, and the The thickness of the lower explosion-proof glass 2 is h2, and its range is...
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Abstract
The invention particularly relates to a light-weight explosion-proof double-glass photovoltaic module which comprises upper-layer explosion-proof glass, lower-layer explosion-proof glass, a solar photovoltaic cell and an explosion-proof junction box, the upper-layer explosion-proof glass and the lower-layer explosion-proof glass are packaged through at least two layers of explosion-proof adhesive films, and the solar photovoltaic cell is packaged between the at least two layers of explosion-proof adhesive films. The total thickness of the double-glass photovoltaic module is H, and H is larger than or equal to 4.5mm and smaller than or equal to 5mm. The thickness of the upper explosion-proof glass is h1, h1 is more than or equal to 1mm and less than or equal to 2mm, the thickness of the lower explosion-proof glass is h2, and h2 is more than or equal to 1mm and less than or equal to 2mm; the explosion-proof junction box is fixed on the lower-layer explosion-proof glass through sealant, a conductive copper sheet is welded in the explosion-proof junction box, the conductive copper sheet is electrically connected with a bus bar of the solar photovoltaic cell, and the conductive copper sheet is electrically connected with an external cable; the explosion-proof junction box is encapsulated by pouring the sealant, the distance L1 from the conductive copper sheet to the upper surface of the pouring sealant is greater than or equal to 4mm, and the depth L2 of the external cable embedded into the pouring sealant is greater than or equal to 7mm.
Description
technical field [0001] The invention belongs to the technical field of solar photovoltaic power generation, and in particular relates to a lightweight explosion-proof double-glass photovoltaic module. Background technique [0002] Photovoltaic power generation is a clean energy source. Its application scenarios range from the initial desert and mountains to the current complementarity of fish and light, photovoltaic agriculture, photovoltaic animal husbandry, and even photovoltaics have reached every household. In order to further expand the application field of photovoltaic modules, we have designed and developed a lightweight explosion-proof double-glass photovoltaic module to meet the application of special environments such as gas stations. [0003] Existing explosion-proof photovoltaic modules are composed of 3.2mm embossed glass, back sheet, EVA and solar cells. The 4 kinds of materials are laminated and encapsulated, then fixed with an aluminum alloy frame and assemb...
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IPC IPC(8): H01L31/048H02S40/34
CPCH01L31/0481H01L31/0488H02S40/34Y02E10/50
Inventor 范喜燕施瑕玉林俊良林金锡林金汉
Owner CHANGZHOU ALMADEN