Method and the device which maintain the effective operation of the device in order the canned ring to do the egg of the bird

摘要

Egg canned ring method and the device where the optical path with the illuminant and the photodetector is watched the residue which blocks light and/or in regard to the malfunction are offered. It includes with the step which analyzes the output signal in order as for the method the canned ring of doing the egg and, step and the optical path with of the illuminant and the photodetector which form the output signal which corresponds to the light which is received with the photodetector in regard to step and the egg which receive the light which passes step and the egg which irradiate light from the illuminant to the egg with the photodetector is modified to decide how high. The illuminant and/or the photodetector washes according to the decision that, the respective optical path was modified, and/or the malfunction is inspected. The illuminant and/or washing of the photodetector, the illuminant and/or wiping off the surface of the photodetector, and/or, the illuminant and/or may include to blow the fluid to the surface of the photodetector.