Batteries: thermoelectric and photoelectric – Photoelectric – Panel or array
Patent
1998-09-15
1999-11-23
Chapman, Mark
Batteries: thermoelectric and photoelectric
Photoelectric
Panel or array
136291, 136245, 521733, H01L 2500
Patent
active
059904143
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to an arrangement for the photovoltaic generation of current on or by means of roofs and facades in accordance with the preamble to patent claim 1. Many such arrangements and elements are known.
Their provenance is based on the idea, that it is more expedient to employ surfaces which are already covered and shaded for the installation of photovoltaic elements, than to cover new surfaces in the style of a solar farm. Thus, for instance, ca. 10% of the existing roofs and facades are already sufficient for the generation of a supply contribution of ca. 20% of the entire supply for an industrialized country.
The state of the technology considered here is described especially in the specifications DE 44 38 858 (D1), FR 2 354 430 (D2), JP 07 02 6664 (D3), JP 07 062 802 (D4), JP 05 05 2004 (D5), DE 42 27 929 (D6) and DE 41 39 753 (D7).
D7 gives only a general note on a method of procedure, but no concrete instruction on technical handling. D6 describes a roofing tile, which is suitable for accepting solar cells, which, however--apart from the actual work of laying--still requires a large outlay for the production of the necessary connections. Similarly the solar roof system according to D1 requires a large expense for the creation of the necessary roof tiles or slates required. The specifications D2 to D5 all describe a special production of the roofing element to be employed, amongst which is understood a ceramic roof tile, or also flat roofing elements made of ceramics, glass, fiber cement or bituminous bound materials; this latter listing is not all-inclusive, but should be understood in the sense of an example.
Special production for limited application is as a rule expensive and presents a substantial hindrance to the application purpose being examined here.
The electrical connections and links in the previously mentioned photovoltaic roofing elements are taken either directly or with the aid of special borings or openings in the roofing elements into the inner parts of the roof or effected and undertaken by contact strips--and/or rails. This is in the striving to have the electrical elements within the weatherproof interior of the roof. Borings or other openings in roofing elements are on the one hand again expensive special productions, and on the other hand potentially not basically watertight. Pressure contacts to the roofing elements are similarly expensive and labor intensive special productions and very liable to corrosion.
Seen overall, the solutions mentioned here all suffer from the disadvantage that expensive, labor intensive special production is necessary, which significantly exceeds the normal scope of work of a producer of roofing elements and in which when considering the laying of a roof, the not unusual event may not be taken into account that individual roofing elements have to be replaced, whether this be because the roofing element itself or the solar cells upon it have become damaged. None of the known solutions has so far led to practical fabrication and introduction of cost-effective devices to the market.
The aim, which the photovoltaic solar roof or solar facade according to the invention has to fulfill lies in reducing the price for a photovoltaic generated kilowatt/hour by rejecting any special production of roofing and facade elements by the cost-neutral transfer of the intrinsic photovoltaic price factors of installation, fastening and retention, stability requirements onto mass produced roofing elements and by simple, reliable electrical connections, by a value, where the solar energy, considered in an overall way costs comparably as much as thermally or hydraulically generated energy from newly installed power stations. Furthermore the laying and repair of a solar roof or solar facade according to the invention can be undertaken, without the expenditure of further cost, by the normal roofing worker or facade builder.
This aim is addressed in the characterizing part of claim 1 with respect to its essential characteristics, in claims 2 to 15 with re
REFERENCES:
patent: 4040867 (1977-08-01), Forestieri et al.
patent: 5232518 (1993-08-01), Nath et al.
LandOfFree
Photovoltaic solar roof does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Photovoltaic solar roof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photovoltaic solar roof will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1224063