餐梯是供酒店多楼层间运输饭菜的一种小型、非调速、简易电梯。为了通知服务员饭菜已到,要求增设平层自动响铃装置,当到达预置停靠楼层时,即响铃;当服务员打开电梯门后,即停止响铃;即使重新关好门到电梯再次起动到别层以前,电铃均不会再响。要达到此目的,方法较多。 Dining ladder is a small, non-speed-controlled, easy-to-lift elevator for transporting meals across multiple floors of a hotel. In order to inform the waiter that the meal has been completed, an additional flat-layer automatic ringing device is required to ring when it reaches the preset parking floor; when the waiter opens the elevator door, the ringing stops; even if the door is closed again and the elevator is restarted to Do not ring anymore. To achieve this goal, more ways.