Membraneless laminator group and relative method for making laminated panels of different sizes, in particular photovoltaic panels
A technology for photovoltaic panels and laminates, applied in chemical instruments and methods, lamination, presses, etc., can solve problems such as differential temperature heating and uneven heat distribution butterfly effect curvature, so as to reduce risks and maintenance time, eliminate Effect of homogeneity, degassing cycle optimization
Inactive Publication Date: 2018-08-03
TEKNISOLAR
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Problems solved by technology
[0051] In fact, the membrane introduces two types of disadvantages: one is related to the maintenance of the unit, while the other is related to the quality of the plates obtained
[0064] However, even in this case, a curvature phenomenon known as the butterfly effect still exists on the plate due to differential heating and uneven distribution of heat on the two outer surfaces of the plate.
Method used
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[0114] Referring to the drawings, a lamination unit according to the invention is indicated at 10 . This lamination unit 10 is of the membraneless type, and in its simplest form the lamination unit 10 comprises at least one sealed lamination chamber 11 and a pump unit 30, at least one sealed lamination chamber 11 is continuously fed by at least one multilayer board 17 , a pump unit 30 is used to selectively evacuate the air present in the lamination chamber 11 .
[0115] The term "at least one" lamination chamber 11 is intended to indicate that the invention intends to encompass both multi-plane embodiments and single-plane embodiments where several boards are fed simultaneously.
[0116]The lamination chamber 11 comprises a base 12 of known type, where the base 12 acts as a support and abutment for the plates, and a movable lid 13 for opening and closing the lamination chamber 11 .
[0117] The means for opening and closing the chamber are of known type.
[0118] The means ...
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Membraneless laminator group (10) for making laminated panels comprising at least one sealed lamination chamber (11) fed in succession by at least one multilayer panel (17); the lamination chamber (11) comprising a heated support and abutment base (12) for at least one panel; a movable cover (13) for opening and closing the lamination chamber (11); a heated rigid plane (15) movable inside the chamber between a raised position spaced from the panel and a lowered position in which it acts in compression against the panel; wherein the surface of the rigid plane (15) facing the panel is equipped with a thermal cover arranged loosely between the rigid plane and the panel and is configured so that: - when the rigid plane (15) is in the raised position, the thermal cover is at least partially incontact with the panel so as to transfer heat without acting by compression; and so that, - when the rigid plane (15) is in the lowered position the thermal cover is in compressed configuration so that on one side the compression is transferred against the panel and on the other side possible local thickness variations of the panel are compensated.
Description
technical field [0001] The present invention relates to a lamination unit and related methods for the manufacture of laminated panels, in particular photovoltaic panels. [0002] In particular, the present invention relates to lamination units that do not have typical membranes, usually made of silicone. Background technique [0003] As is well known, the term laminate is intended to denote a "sandwich" structure in which several layers are arranged on top of each other. [0004] As an example, a typical crystalline photovoltaic panel may consist of the following series of multiple layers from the outer surface exposed to the sun to the inner or rear surface: [0005] - glass sheets; [0006] - ethylene vinyl acetate or EVA sheets or other suitable materials for this production technology, such as sheets of TPO, PVB, ionomer, POE; [0007] - monocrystalline or polycrystalline cell layers electrically connected to each other; [0008] - EVA sheet for battery protection; ...
Claims
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IPC IPC(8): B32B37/10B30B15/06B32B37/06
Inventor 维托雷·德莱奥尼伯斯马里亚诺·法比亚尼
Owner TEKNISOLAR