PROBLEM TO BE SOLVED: To provide a watching means for a cleaning process, etc., capable of being easily added to a conventional controlling unit or cleaning device by effectively utilizing the function of an automatic device for releasing a milking unit.SOLUTION: This automatic device for releasing the milking unit includes a temperature sensor 107 and an electric conductivity sensor 108 installed in a milk-sending pipe, a controlling circuit, an inputting part and a memorizing means 102, wherein in the memorizing means 102, the standard values of temperatures, liquid quality and duration time used for the distinction of the cleaning process and quality decision for the same are housed, and the controlling circuit has the function of deciding the cleaning process performed presently as a result of comparing the outputs of the temperature sensor 107 and electric conductivity sensor 108 with standard values, and the function of deciding the quality of the cleaning function by whether the state that the outputs of the temperature sensor 107 and electric conductivity sensor 108 satisfy the standards, continues for a prescribed time or not.COPYRIGHT: (C)2010,JPO&INPIT【課題】搾乳ユニットの自動離脱装置の機能を有効に活用して、既存の制御装置や洗浄装置に容易に追加できる洗浄工程等の監視手段を提供する。【解決手段】送乳配管内に設けた温度センサ107及び電気伝導度センサ108と、制御回路と、入力部と、記憶手段102とを備え、前記記憶手段102には洗浄工程の区別と良否判定に用いる温度・液質・継続時間の基準値が格納されており、前記制御回路は、温度センサ107及び電気伝導度センサ108の出力を基準値と比較し、その結果により現在行われている洗浄工程を判定する機能と、温度センサ107及び電気伝導度センサ108の出力が基準を充たす状態が所定時間継続したかどうかにより洗浄工程の良否を判断する機能とを備えている搾乳ユニット自動離脱装置。【選択図】図6
