PROBLEM TO BE SOLVED: To reduce operating man hours and increase working efficiency by making it possible to automatically switch an operation mode, during milking or washing, to a corresponding milking operation mode or washing operation mode, and to avoid trouble such as forgetting to switch and to prevent a facility from becoming complex, while also increasing a low cost property.SOLUTION: One of an AC power supply Pp or a rectified power supply Ph obtained by rectifying the AC power supply Pp is supplied to a tap 2s to which a milking machine U in a milking zone Hs is connected, and the other is supplied to a tap 2m to which the milking machine U in a maintenance zone Hc is connected. When the milking machine U is connected to the taps 2s, 2m, a controller 3 provided at the milking machine U is used to determine whether the power supply supplied from the taps 2s, 2m is the AC power supply Pp or the rectified power supply Ph, and the operation mode is switched to either the milking operation mode Xs or the washing operation mode Xc.COPYRIGHT: (C)2013,JPO&INPIT【課題】 搾乳時又は洗浄時に、対応する搾乳動作モード又は洗浄動作モードに、自動で切換可能にして作業工数の低減及び作業能率の向上を図るとともに、切換を忘れるなどの不具合及び設備の煩雑化を回避し、かつ低コスト性を高める。【解決手段】 交流電源Pp又はこの交流電源Ppを整流した整流電源Phの、一方を搾乳ゾーンHsにおける搾乳機Uを接続するタップ2sに供給し、かつ他方をメンテナンスゾーンHcにおける搾乳機Uを接続するタップ2mに供給するとともに、搾乳機Uをタップ2s,2mに接続した際に、搾乳機Uに備えるコントローラ3により、タップ2s,2mから供給される電源が交流電源Ppであるか又は整流電源Phであるかを判別処理し、搾乳動作モードXs又は洗浄動作モードXcに切換処理する。【選択図】 図1
