Automatisk tvättanordning för djurstallar med ljudreglerad avstängning, samt förfarande för att stänga av en automatisk tvättanordning

摘要

The present invention refers firstly to an automatic cleaning device for animal stalls, said cleaning device being equipped with a sound-controlled shut-off device which comprises a sound-registering device for the uptake of signals generated at a surface being cleaned, storage means for the storage of said signals and means to perform a comparison process between said stored signals and previously entered values which represent a threshold value for signals generated from a surface having the desired degree of cleanness, secondly to a process for the automatic shutting off of said cleaning device.