Batteries: thermoelectric and photoelectric – Photoelectric – Panel or array
Patent
1996-07-30
1998-06-30
Nguyen, Nam
Batteries: thermoelectric and photoelectric
Photoelectric
Panel or array
136246, H01L 31058
Patent
active
057727929
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention refers to sun generators which generate electric current while preparing hot water at the same time. Radiation is passed through the sun generator's layers one after the other, with the layers being non-dazzling and adaptable in color for the observer to match the environment of use. The sun generator can be operated over a large angle area (about 230 degrees) relative to the direct radiation incoming to the active surface thereof, and the sun generator may possess a device against freezing.
BACKGROUND OF THE INVENTION
Till now, no solar generators are known which present the characteristics of the present sun generator mentioned above.
In "Hybrid Solar Energy Generating System" by D. E. Soul, U.S. Pat. No. 4,700,013 of 13th Oct., 1987, a system is disclosed which uses fluid-cooled solar cells. Nevertheless, these cells are not cooled directly like in the present sun generator, and the warmth is just received by a holding system.
Moreover, in order to generate electric current and thermal energy at the same time with such a system as disclosed in the Soul patent, expensive devices such as polarization filters are required and the radiation must be divided into long wave and short wave radiation, whereby the efficiency rate of the energy transformation is diminished.
Also the devices to be employed in the Soul patent system are expensive and may be susceptible to failures, so that they are not suitable for small and maintenance-free operating systems like the system of the present sun generator. With the present sun generator, 40 watts of delivered photovoltaic power is constantly produced and additionally up to 100 watts of delivered thermal power have been measured. This may be contrasted with usual separated solar generators which average 25 watts of electrical/50 watts thermal power. Moreover, the temperature of the present and cooled sun generator remained constant during the measuring period (6 hours), whereas the temperature in the usual photovoltaic solar generators rose while the deliverable electric power during measuring time diminished.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic front elevation view of a sun generator according to the present invention with part of an outer side of a winding thereof cut away on the right-hand side, and on the left-hand side the outer side of the winding together with the underlying hose are cut away to reveal the inner side of the winding.
FIG. 2 is a mostly elevation schematic section of the sun generator depicted in FIG. 1 taken along the line 2--2 in FIG. 1.
FIG. 3 is a schematic section of a portion of the sun generator depicted in FIG. 1 taken along the line 3--3 in FIG. 1.
FIG. 4 is a schematic top plan view of the sun generator depicted in FIG. 1.
FIG. 5 is an enlarged view of a right-hand end of an alternative sun generator similar to that depicted in FIG. 4.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
The sun generator 30 of the present invention includes an outer hose 2 (note: more than one outer hose 2 is possible if desired, and the left-hand side of hose 2 is omitted from FIG. 1) and an inner hose 3. A winding (or windings) 1 is wound around the hose 2 and (or) the inner hose 3. Winding 1 provides a light transmitting system formed by grooves 10 in elements 17, and by a photovoltaic active coating 13 (only partially shown in FIG. 5) thereon. A permanent or remanent magnetizable medium 11 circulates automatically or by force through hose 2 as shown by the circulation arrows. The transmission of the radiation impinging on the sun generator 30 and hence on the medium 11 or water 9 in hose 3, and on the photovoltaic coating 13, make it possible to transform this radiation of different wavelengths into heat and current without loss. The magnetizable medium 11 is additionally in a by-pass connection to a thermosiphon system active in series connection and including heating resistors 14 and pumps 15. Resistors 14 heat up the magnetizable medium 11 and indirectly the water 9 in the inner tube
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