一种新型的流量报警器华中理工大学叶林，孙键，刘健荣，夏士智【关键词】流量，流量监测，流量开关，越限方向判别一、引言工业生产过程和科学研究领域中，许多场合对封闭管道中的各种流量参数仅是要求监测其是否高于或低于某个限值，而并不要求进行连续测量，此时若是应... A new type of flow alarm Huazhong University of Science Ye Lin, Sun Key, Liu Jianrong, Xia Shizhi Key words flow, flow monitoring, flow switch, the direction of more than a limit I. INTRODUCTION In industrial production processes and scientific research, many occasions All kinds of flow parameters in a closed pipe are only required to monitor whether it is above or below a certain limit value, but does not require continuous measurement, if at this time should ...