This creation static capacitive drop level caution device for water,It is including a direct capacitance sensing unit,It is to be arranged on what transfusion apparatus wall,The water position status of transfusion apparatus can be detected to send water level signal； One driving unit,It is to be connected with direct capacitance sensing unit,Driving unit system includes signal comparison circuit,Can the detected transfusion apparatus of what water position status low one lowest water level signal of what when actuation； One alarm unit,It is with driving unit be electrical connected knot,Or transmission wireless telecommunications,Bluetooth communication or Internet, which are connected by communication, to be connect,And can make a sound,One of them of light or vibration are warned to several； And a power supply unit,The power supply unit system be electrically connected to direct capacitance sensing unit,Driving unit and alarm unit,Required electric power when supplying its actuation； By structure as above,User can not have to need range estimation transfusion apparatus water level at any time,And can reach water level it is too low when automatic warning purpose.本創作靜電容式點滴水位警示裝置，其係包括一靜電容感測單元，其係設置於點滴裝置壁上，能偵測點滴裝置之水位狀態來發送水位訊號；一驅動單元，其係與靜電容感測單元相連結，驅動單元係包含訊號比較電路，能於所偵測到點滴裝置之水位狀態低於一最低水位訊號時作動；一警示單元，其係與驅動單元電性相連結、或透過無線通訊、藍牙通訊或網際網路通訊相連接，而能發出聲音、燈光或震動之其中之一至數種來警示；以及一供電單元，該供電單元係電性連接至靜電容感測單元、驅動單元及警示單元，以供應其作動時所需之電力；藉由如上之結構，讓使用者可以不用隨時需目測點滴裝置水位，而能達到水位過低時自動警示之目的。
