Combined electrical and thermal solar collector

Details Combined electrical and thermal solar collector Combined electrical and thermal solar collector

1981-11-13

1983-07-05

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Panel or array

126417, 126449, H01L 3104, F24J 302

Patent

active

043920080

ABSTRACT:
A solar panel assembly consisting of a shallow rectangular housing with a glass top cover, the housing enclosing a plurality of side-by-side metal plate members with depending longitudinal webs connecting the plate members to longitudinal liquid flow tubes, the plate members, webs and flow tubes being integrally formed by extrusion. Respective enlarged transverse header tubes are connected by coupling sleeves to the opposite ends of the flow tubes, the header tubes extending through and being secured in opposite side walls of the housing, so that the metal plate extrusions are supported in the housing. The plate members are interlocked in coplanar relationship by slidable tongue-and-groove connections at their longitudinal edges. Silicon photovoltaic cells are mounted in row-and-column arrays on the plate members. The depending webs are relatively deep and thin to limit the heat flow rate between the solar plate members and the flow tubes so as to prevent excessive temperature gradients and thermal stresses at the plate areas carrying the silicon cells and to thereby prevent the cells from cracking. The housing contains heat-insulating material which covers the flow tubes and covers the major portions of the header tubes.

REFERENCES:
patent: 2989575 (1961-06-01), Wallace, Jr.
patent: 3866285 (1975-02-01), Clark
patent: 4069812 (1978-01-01), O'Neill
patent: 4149903 (1979-04-01), Lindmayer
patent: 4235221 (1980-11-01), Murphy
patent: 4334120 (1982-06-01), Yamano et al.
patent: 4361717 (1982-11-01), Gilmore et al.
S. D. Hendrie et al., "A Comparison of Theory & Experiment for Photovoltaic Thermal Collector Performance," Conf. Record, 14th IEEE Photovoltaic Specialists Conf. (1980), pp. 1277-1283.
P. R. Younger et al., "Combination Photovoltaic/Thermal Solar Collectors for Residential Applications," Conf. Record, 15th IEEE Photovoltaic Specialists Conf. (1981), pp. 959-963.
M. Simon et al., "Solar Cells with Concentrating Collectors & Integrated Heat Use System," Proceedings 2nd European Community Photovoltaic Solar Energy Conf. (1979), Reidel Publishing Co., pp. 541-549.

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