Method and apparatus for controlling the temperature in...

Details Method and apparatus for controlling the temperature in... Method and apparatus for controlling the temperature in...

G - Physics

05

D

342/14, 341/32

G05D 23/27 (2006.01) A01G 9/24 (2006.01)

Patent

CA 1149907

ABSTRACT Method and apparatus for controlling the temperature in greenhouses, the nominal value of the temperature being adjusted between a higher daytime temperature and a lower night temperature. In order that the plants in the greenhouses shall not be exposed to a shocklike reduction of the total energy supply to the plants if a considerable sunlight energy quantity has been supplied to the plants in the daytime, the nominal value of the night tempera- ture is controlled in dependence of the sunlight energy quantity received by the plants, in such a manner that the night tempera- ture is adjusted to a higher value at a higher sunlight energy quantity.

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