Liquid-cooled sealed enclosure for concentrator solar cell and s

Details Liquid-cooled sealed enclosure for concentrator solar cell and s Liquid-cooled sealed enclosure for concentrator solar cell and s

1987-06-01

1989-05-16

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

250239, 357 30, 357 79, 357 82, H01L 3104

Patent

active

048306789

ABSTRACT:
The sealed enclosure for an electrical power generation solar concentrator holds and protects the photovoltaic cell from ambient conditions and thermal shock, while multiple fingers of front and rear electrical contact terminals accommodate thermal expansion and contraction of the cell and minimize mechanical stresses on the cell. This sealed enclosure also holds the secondary lens and protects the internally reflective truncated conical rear surface of the lens. A base member has a socket for receiving the cell and its associated front and rear terminal members together with an insulator alignment disc having an opening receiving the cell and for aligning the cell with the axis of the concentrator. A front housing removably screws onto the base member with an inturned front lip gripping a peripheral flange on the secondary lens, thereby aligning it with the cell and firmly pressing it against the cell front for causing thermal mass and inertial of the lens to moderate temperature changes in the cell. The base member screws onto a pedestal of a finned heat sink of good thermal conductivity fitting into a pre-punched hole in a panel of the concentrator, thus aligning the sealed enclosure with the concentrator axis. The pressure of the secondary lens on the cell causes the cell back to press onto its multiple-fingered rear contact member of good electrical and thermal conductivity which in turn is pressing against a thin electrical insulator in good thermal conductivity with the heat sink pedestal.

REFERENCES:
patent: 4055761 (1977-10-01), Shimomura
patent: 4280853 (1981-07-01), Palazzetti et al.
patent: 4658086 (1987-04-01), McLeod et al.

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