公开(公告)号：US20160041021A1

公开(公告)日：2016-02-11

申请号：US14886178

申请日：2015-10-19

申请人： Sumitomo Riko Company Limited

发明人： Yuuki SAITOU ,  Tetsuyoshi SHIBATA ,  Keisuke KAWADE ,  Atsushi MURAMATSU

IPC分类号： G01F23/26

CPC分类号： G01F23/26 ,  G01F23/265 ,  G01F23/266 ,  G01F23/268

摘要： Provided is a capacitive liquid level detection device capable of determining liquid level and liquid quality. This detection device comprises a plurality of electrode pairs disposed at different positions in a height direction in a tank for storing liquid; a measuring instrument for acquiring values equivalent to capacitance between respective electrode pairs of the plurality of electrode pairs; a storage part for storing a plurality of threshold values determined based on values equivalent to capacitance between one of the electrode pairs in the presence of the air or a plurality of kinds of liquids; and a determination part comparing the values equivalent to capacitance between the respective electrode pairs with each of the threshold values, and the determination part determines for determining liquid level corresponding to liquid quality based on the comparison result.

摘要翻译： 提供一种能够确定液位和液体质量的电容式液位检测装置。 该检测装置包括多个电极对，其设置在用于储存液体的罐中的高度方向上的不同位置; 用于获取与所述多个电极对的各个电极对之间的电容相当的值的测量仪器; 存储部，用于存储在存在空气或多种液体的情况下基于与电极对中的一个之间的电容相当的值确定的多个阈值; 以及确定部分，将各个电极对之间的电容值等效于每个阈值进行比较，并且所述确定部分基于比较结果确定用于确定与液体质量相对应的液位。