Roof tile with thin film flexible photovoltaic tape

Abstract

Roof tile with thin film flexible photovoltaic tape is used in construction and photovoltaic technology on existing or new roofs, in such a way that it eliminates the need for panels mounted above the roof. By using a glued thin film flexible photovoltaic tape with wire connectors, it enables serial or parallel connection of photovoltaics.

Description

[0001] DESCRIPTION OF THE INVENTION

[0002] ROOF TILE WITH THIN FILM FLEXIBLE PHOTOVOLTAIC TAPE

[0003] 1. Area of Technology to Which the Invention Relates

[0004] The invention named ROOF TILE WITH THIN FILM FLEXIBLE PHOTOVOLTAIC TAPE relates to the field of photovoltaic sources H02S and the field of construction E04.

[0005] 2. Technical Problem for Which Protection is Sought

[0006] Existing photovoltaic sources are, for the most part, realized in the form of photovoltaic panels mounted on buildings above existing roofs protected by roof tiles, so that these panels largely form a roof on top of a roof, i.e., it appears as if there are two roofs, one above the other. One may wonder why there is a thick tile under the panel when it carries no load, as the load-bearing function has been taken over by the panel above it. Besides a slight increase in roof weight, which is not a major issue, there is a possibility that strong winds could lift the photovoltaic panel structure together with part of the roof, since the panels behave like a wing on a sailboat, and storms are becoming increasingly intense.

[0007] This has been noticed by several Chinese companies, such as Beijing Shan Hu International Technology https: / / cdn.enfsolar.com / z / pp / 2023 / 8 / 4smfw54xI9 / solar-roof-curve-tife- CIGS.pdf, as well as several companies Worldwide, which have started producing solar roof wave tiles that combine the function of a tile and a panel. Unfortunately, as they are made from expensive materials and must be strong for load bearing, they are 10 to 15 times more expensive than ordinary clay tiles, and a further drawback is that they cannot be used on the existing roofs of buildings already built. There are solutions where panels are integrated into part of the roof instead of tiles https: / / www.wienerberger.co.uk / products / roof / in-roof-solar.html, which is also not applicable to the existing roofs of already built buildings.

[0008] For roofs that have metal sheets instead of tiles, there are thin-film photovoltaic tapes intended for gluing onto metal https: / / www.sunflaresolar.com / media / press-releases; however, the choice between a metal and a clay roof depends on the personal preferences of the architect and the customer.

[0009] If clay roof tiles are preferred, then a solution in which a classic tile is supplemented with a photovoltaic source shows advantages for both existing and new roofs compared to all the aforementioned disadvantages of existing technical solutions.

[0010] 3. State of the Art

[0011] In the field of clay roof tiles, the state of the art has long been stable and well regulated by international standards, and production and consumption take place locally or at not too great a distance due to lower transport costs. Prices are very favorable. Damaged tiles are easily replaced due to standardized dimensions, and their lifespan is enormous.

[0012] Photovoltaic sources can be divided into thick-film and thin-film, with thick-film so far produced predominantly in the form of photovoltaic panels, while thin-film has mainly been used for special applications such as vehicles, communication devices, space technology, and elsewhere, especially where .flexibility is required. The most well-known thin-film photovoltaic sources are: CdTe, CZTS, Zn3P2, SWCNY, CIS, CIGS, GaAs, a-Si, and Perovskite. According to Wikipedia, there are a large number of manufacturers of various thin-film photovoltaic sources https: / / en.wikipedia.org / wiki / Thin-film solar cell. When presenting its new flexible solar tape, 19 feet long (about 5.79 meters), the company

[0013] Global Solar already in 2010 htps: / / inhabitat.com / new-stick-on-solar-panels-make- installations-a-snap / pointed out the advantages and wide possibilities of this technology, while the company Solar Constructions presented a whole series of realized applications htps: / / solar-constructions.com / wordpress / flexible-solar-panel / .

[0014] A particularly interesting solution is the solar tile by Dyaqua Invisible Solar intended for historic buildings htps: / / invisiblesolar.it / prodoto-coppo-fotovoltaico-centri-storici / , which meets the aesthetic requirements of conservators but at a very high price of 40-100 EUR per tile according to the blog htps: / / innovasol.it / tegole-fotovoltaiche / .

[0015] The world’s leading institutes and universities from the USA, UK, Japan, Germany, etc., are now solely engaged in research in the field of thin-film photovoltaic sources, and revolutionary results have already been published at conferences and in the literature, which are expected to completely change and reduce the cost of production and products in 5 to 10 years, making them cheaper, more efficient, more durable, and better for the environment, thus taking precedence over thick-film photovoltaic sources. Therefore, the use of thin-film photovoltaic sources in this invention is justified and very promising.

[0016] 4. Essence of the Invention

[0017] On any standard rooftile, an appropriate flexible thin-film photovoltaic tape equipped with suitable wire connectors will be glued, which can be applied in advance in the workshop or directly on the roof.

[0018] The wires are connected on the roof using appropriate pliers or another suitable method according to the project documentation, in terms of serial connection to achieve the required voltage and parallel connection to achieve the required current. According to the data from the manufacturer of the flexible thin-film photovoltaic tape, the project will be designed by an authorized designer, who is also authorized to design with photovoltaic panels.

[0019] 5. Detailed Description of the Implementation of the Invention

[0020] As an example of the implementation of this invention, any standard tile can be used, and for a quality and detailed description and specification, PLANETON 10 by Wienerberger https: / / www.wienerberger.hr / proizvodi / krov / tondach-liniie-proizvoda / planoton-10-nov- moderan-i-elegantan-crijep.html has been selected as the basis for the implementation of the invention, although any other tile or manufacturer could have been chosen.

[0021] On any standard roof tile, an appropriate flexible thin-film photovoltaic tape (for example, using adhesive https: / / www.bostik.com / us / en US / our-adhesive-technologies / butyl-adhesives- sealants / ) with dimensions 360x230 mm (which is the most common size for most tiles and manufacturers) equipped with suitable wire connectors will be glued, which can be applied in advance in the workshop or directly on the roof.

[0022] As an example of the implementation of this invention, a modified flexible thin-film panel SG-TF-M-55W by Sungoldsolar https: / / www.sungoldsolar.com / flexible-solar-panel / tf / will be used, which originally has dimensions of 580x540x3 mm, power of 55W, and consists of 3x12 cells, and in the modification, if only one row with 7 cells is retained, it will have a power of about 10W and dimensions of 360x230x3 mm. Such a flexible thin-film tape, resulting from the modification of a panel described in the specification as flexible, - lightweight, highly efficient, resistant, durable, waterproof, strong, and certified, has properties that fully meet the intended purpose. It is certain that many other manufacturers of thin-film photovoltaic sources could fulfill this purpose, and in the future, these tapes will become even better and cheaper.

[0023] After 2 rows of tiles with tape, at least 2 rows of tiles without tape may follow if, for any reason, walking on tiles with tape is not desired. The wires are connected on the roof in a suitable manner according to the project documentation, in terms of serial connection to achieve the required voltage and parallel connection to achieve the required current.

[0024] According to the data from the manufacturer of the flexible thin-film photovoltaic tape, the project will be designed by an authorized designer, who is also authorized to design with photovoltaic panels.

Claims

PATENT CLAIMS1 . ROOF TILE WITH THIN FILM FLEXIBLE PHOTOVOLTAIC TAPE, characterized in that a thin film flexible photovoltaic tape with wire connectors intended for serial or parallel connection of photovoltaics is glued to a roof tile of an existing or new roof.