METHOD FOR LOCAL DYNAMIC LIGHTING OF CAGES FOR POULTRY WITH SIMULATION OF NATURAL LIGHT ENVIRONMENT Russian patent published in 2023 - IPC A01K31/00 A01K45/00 

FIELD: agriculture.

SUBSTANCE: invention is related to poultry farming. The method of local dynamic lighting of cages for keeping poultry with simulation of the natural light environment consists of smoothly changing the colour temperature of the optical radiation of the lamps during the light period from the range of 2000-2800 K to 5500-6500 K and adjusting the illumination level on the control surface is from 0 up to 100%. The change in colour temperature and illumination is carried out in accordance with mathematical models that describe the dynamics of the illumination of the earth's surface and the colour temperature of natural light: E_OE = 1/a·ln{(h_Mcos[arccos(-h₀/h_M)(1-2t_c/T_c)]+h₀)(e^a-1)/(h_M+h₀) + 1}; T_CV = bE_OE+c; where E_OE is illumination in relative units, r.u.; a is the coefficient of the illumination model; h_M, h₀ are the amplitude and the constant component of the harmonic cosine function, °; t_C is time from the beginning of the light period, s; T_C is the duration of the light period, s; T_CV is colour temperature of radiation, K; b is the coefficient of proportionality between illumination and colour temperature; c is the constant component of the colour temperature.

EFFECT: invention provides an increase in the productivity of poultry through the use of a LED local dynamic lighting system with a simulation of the natural light environment.

1 cl, 2 dwg