CN-116691200-B - Manufacturing method of multi-layer printed color photovoltaic panel

CN116691200BCN 116691200 BCN116691200 BCN 116691200BCN-116691200-B

Abstract

The invention discloses a manufacturing method of a multi-layer printed color photovoltaic board, which comprises the steps of printing a transparent gloss oil layer, a white ink layer and a color layer on a photovoltaic front board by using UV printing equipment, printing a first transparent gloss oil layer, wherein the first transparent gloss oil layer is a plurality of first round printing layers which are uniformly printed on the photovoltaic front board, the first white ink layer is printed in gaps formed among the plurality of first round printing layers, printing a second transparent gloss oil layer above the white ink layer, printing a second white ink layer on the first transparent gloss oil layer, the second white ink layer is a plurality of second round printing layers, the diameter of the second round printing layer is smaller than that of the corresponding first round printing layer, printing the color layer on the whole of the second white ink layer and the second transparent gloss oil layer, and printing a third transparent gloss oil layer on the color layer. The invention can improve the efficiency of the color photovoltaic component, realize light refraction, improve the application efficiency of the vertical face, and protect the transparent gloss oil layer and the white ink layer by using the color layer.

Inventors

LIU ZHIGANG
XU JIANZHI
LIU XIZHI
HU SHANGZHI

Assignees

新源劲吾(北京)科技有限公司

Dates

Publication Date: 20260512
Application Date: 20230607

Claims (4)

1. A method of producing a multi-layer printed color photovoltaic panel, comprising the steps of: Printing at least three transparent gloss oil layers, at least two white ink layers and at least one color layer on a photovoltaic front plate by using UV printing equipment, wherein the transparent gloss oil layers, the white ink layers and the color layers are all UV curing ink; Printing a first transparent gloss oil layer, wherein the first transparent gloss oil layer is formed by uniformly printing a plurality of first circular printing layers on a photovoltaic front plate, the diameter of the first circular printing layers is 100-300 mu m, the gaps of the plurality of first circular printing layers are in direct proportion to the diameter of the first circular printing layers, and the plurality of first circular printing layers are arranged in parallel or staggered; Printing a first white ink layer in gaps formed among a plurality of first round printing layers, adopting a full-filling printing mode, enabling ink to overflow at the joint of the first white ink layer and the first round printing layers to form cross overlapping, enabling light to penetrate more easily at the cross overlapping part, penetrating the light from the gaps, and reflecting and guiding sunlight to enter the photovoltaic substrate through the first white ink layer as a reflecting effect; Printing a second transparent gloss oil layer above the first white ink layer; Printing a second white ink layer on the first transparent gloss oil layer, wherein the second white ink layer is a plurality of second round printing layers, and the diameter of each second round printing layer is smaller than that of the corresponding first round printing layer; Step six, printing a color layer on the whole of the second white ink layer and the second transparent gloss oil layer; a third transparent oil layer is printed on the color layer, the third transparent oil layer is a plurality of third round printing layers, the number of the third round printing layers is the same as that of the first round printing layers, and the third round printing layers are positioned right above the corresponding first round printing layers; In the fifth step, the difference between the diameter of the second circular printing layer and the diameter of the first circular printing layer is 0.5-1 mm, so as to form a light penetration gap.
2. The method of claim 1, wherein the thickness of the transparent varnish layer is 10-20 μm, the thickness of the color layer is 10-25 μm, and the thickness of the white ink layer is 15-25 μm.
3. The method of claim 1, wherein the third circular print layer has a diameter of 100-300 μm.
4. The method of claim 1, wherein the third circular print layer has a thickness of 40-70 μm.

Description

Manufacturing method of multi-layer printed color photovoltaic panel Technical Field The invention relates to the technical field of photovoltaic panels, in particular to a manufacturing method of a multi-layer printed color photovoltaic panel. Background With the development of color photovoltaic modules, the traditional color photovoltaic modules mostly exist in the form of a front plate, a light Fu Jiban and a back plate, meanwhile, in order to ensure the efficiency of the color photovoltaic modules, the color photovoltaic modules are mainly transparent and lack of beauty, so that color layers are generally arranged in the photovoltaic modules in order to ensure the beauty of the photovoltaic modules in the present stage, and the color layers are generally printed or screen printed on the front plate material to achieve the color photovoltaic modules, but the color layers prevent the penetration of light rays, so that the power of the color modules is reduced. Accordingly, one skilled in the art provides a method for fabricating a multi-layer printed color photovoltaic panel to solve the above-mentioned problems. Disclosure of Invention The invention provides a method for manufacturing a multi-layer printed color photovoltaic panel, which reduces power drop, increases light transmittance, and further improves color photovoltaic efficiency. In order to achieve the above object, the present invention provides the following technical solutions: the invention relates to a manufacturing method of a multi-layer printed color photovoltaic panel, which comprises the following steps: Printing at least three transparent gloss oil layers, at least two white ink layers and at least one color layer on a photovoltaic front plate by using UV printing equipment; Printing a first transparent gloss oil layer, wherein the first transparent gloss oil layer is formed by uniformly printing a plurality of first circular printing layers on a photovoltaic front plate, the diameter of the first circular printing layers is 100-300 um, gaps of the plurality of first circular printing layers are in direct proportion to the diameter of the first circular printing layers, and the plurality of first circular printing layers are arranged in parallel or staggered; Printing a first white ink layer in gaps formed among a plurality of first round printing layers, adopting a full-filling printing mode, enabling ink to overflow at the joint of the first white ink layer and the first round printing layers to form cross overlapping, enabling light to penetrate more easily at the cross overlapping part, penetrating the light from the gaps, and reflecting and guiding sunlight to enter the photovoltaic substrate through the first white ink layer as a reflecting effect; Printing a second transparent gloss oil layer above the first white ink layer; Printing a second white ink layer on the first transparent gloss oil layer, wherein the second white ink layer is a plurality of second round printing layers, and the diameter of each second round printing layer is smaller than that of the corresponding first round printing layer; Step six, printing a color layer on the whole of the second white ink layer and the second transparent gloss oil layer; And seventhly, printing a third transparent oil layer on the color layer, wherein the third transparent oil layer is a plurality of third round printing layers, the number of the third round printing layers is the same as that of the first round printing layers, and the third round printing layers are positioned right above the corresponding first round printing layers. Further, the thickness of the transparent gloss oil layer printed in the first step is 10-20 um, the thickness of the color layer is 10-25 um, and the thickness of the white ink layer is 15-25 um. Further, in the fifth step, the difference between the diameter of the second circular printing layer and the diameter of the first circular printing layer is 0.5-1 mm, so as to form a light penetration gap. Further, in the seventh step, the diameter of the third circular printing layer is 100-300 um. Further, in the seventh step, the thickness of the third round printing layer is 40-70 um. In the technical scheme, the manufacturing method of the multi-layer printed color photovoltaic panel has the advantages that the efficiency of the color photovoltaic assembly can be improved, the light refraction is realized, the application efficiency of a vertical face is improved, and the transparent gloss oil layer and the white ink layer are protected by using the color layer. Drawings In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to thes