Infrared thermostat control

Details Infrared thermostat control Infrared thermostat control

1981-11-09

1988-12-27

Wayner, William E.

Automatic temperature and humidity regulation

Thermostatic

Hot and cold

374 29, G01K 1700, G05D 2300

Patent

active

047935537

ABSTRACT:
A system for automatically controlling heating and air conditioning equipment that make up the environmental control system in a building. The system measures heat flow into and out of the building by means of an infrared sensor mounted on an inner wall and directed toward an outer wall or window. In the winter the system logic monitors the ambient temperature and if sufficient heat flow is present to allow the incoming thermo energy to heat the internal environment to the desired set point, the system directs the shut off of the furnace. In summer the system logic decides when the heat flow has decreased to a point that the air conditioning equipment can be shut down. An adjustable time delay is response to heat flow is used to compensate for rapid changes in heat flow experienced during partially cloudy days.

REFERENCES:
patent: 2246575 (1941-06-01), Coleman
patent: 3952947 (1976-04-01), Saunders
patent: 4274475 (1981-06-01), Rall et al.

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