G - Physics – 05 – D
Patent
G - Physics
05
D
341/32
G05D 23/00 (2006.01) F24F 11/00 (2006.01) G05D 23/19 (2006.01)
Patent
CA 1128173
ABSTRACT OF THE DISCLOSURE Control unit for starting a climatization procedure in a building, according to which a pulse generator is adapted to generate pulses and an electric equivalent circuit is arranged to simulate the thermal properties of the building during heating or cooling. Applied to the equivalent electric circuit is a voltage representative of the internal temperature (ti) in the building, as well as a voltage which is representative of the external temperature (tu) outside of the building. A discharge, a charge or an equalization of one or more voltages takes place in condensers contained in the equivalent electric circuit as representative of the period of time required for restoring the temperature of the building after the conditioning system has been out of use during a given period of time. The discharge or charge or equalization time is very short as compared with the time for restoring the temperature of the building and is used for calculation of the correct moment for starting the temperature restoring procedure. The system includes a sensor for sensing the temperature in the interior of walls present in the building. This sensor is arranged to influence a circuit for feeding an addition to the voltage indicating starting of the conditioning system when otherwise the conditioning system would have reverted to normal function, e.g. thermostatically controlled, until its temperature difference between the interior of the walls (tv) on the one side and the air temperature (ti) in the building, on the other side has decreased to an allowable level.
324399
Smart & Biggar
Tour & Andersson Aktiebolag
LandOfFree
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