AIR HUMIDITY SENSOR AND METHOD OF ITS REGENERATION Russian patent published in 2020 - IPC A01K41/04 G01N27/00 

FIELD: agriculture.

SUBSTANCE: group of inventions relates to technological control of poultry incubation process. Air humidity sensor includes a base in the form of a printed-circuit board with current-conducting elements and a heating element with a capacitive sensor placed on it. At that, current conducting elements and humidity sensor are connected to instrumentation. Method of humidity air humidity sensor regeneration is characterized by that in operating mode during incubation when moisture pickup reaches moisture content of medium of 90 %, control instrument gives command to connect heating element, which provides heating of capacitance sensor of humidity sensor until registered humidity drops to level of 10 %. Then, the capacitive sensor is stopped and the cooling process takes place. At that, the capacitive sensor accumulates moisture, and when the humidity growth parameters cease to vary within the range of not more than 3 % for 30 s, the humidity sensor again switches to the operating mode, as long as moisture values do not reach 90 %. Then the operation cycle is repeated, and after the incubation process the humidity sensor and the control instrument are in standby mode. Humidity sensor collects moisture from the medium of the incubator and when value of 40 % moisture is achieved, the instrumentation provides a command for heating the heating element. Heating is continued until moisture content of sensor reaches 10 %, then the cycle of operation is repeated.

EFFECT: technical result consists in enabling accurate measurement of readings of current relative humidity, as well as possibility of sensor regeneration and longer service life of sensor.

2 cl, 1 dwg