Sun tracking control system

Details Sun tracking control system Sun tracking control system

1976-03-05

1979-04-24

Smith, Alfred E.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

126270, 356152, G01J 120

Patent

active

041514084

ABSTRACT:
A control circuit for tracking of a heat radiation source which functions to maintain heat collection structure in optimum alignment with the source thereby to enable maximum efficiency of heat collection; the control circuit includes a threshold circuit for sensing ambient light level to provide enablement control to A-C power circuitry which energizes the heat collector orienting drive system, and the threshold circuit also functions to automatically invert the heat collector to a protected position upon detection of insufficient threshold voltage; and, the circuit further comprises a tracking section energized by a radiation sensor to cause intermittent energization of the drive system to further enable intermittent bi-directional tracking movement of the heat collector, such tracking circuitry being enabled by detection of sufficient threshold voltage.

REFERENCES:
patent: 3177367 (1965-04-01), Brown
patent: 3308299 (1967-03-01), Dardarian
patent: 3917942 (1975-11-01), McCay

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