【摘要】 在线漏油报警器能够及时报告封闭的冷却装置换热器中发生的漏油现象，这将成为石化企业快速处理漏油换热器、减少经济损失的重要手段．报警器的重要环节之一就是其传感探头，它的性能好坏直接关系到报警器的可靠性和有效性．在本文中设计的传感探头主要由超声波激振乳化器和光电检测器两个部分构成，文中叙述了其各部分的原理设计和基本结构．更多还原

【Abstract】 On-line leakage monitor and alarm instrument can rePort oil leakage in closed circulating jacket in time.. It will be an important measure for the petrochemical industry to deal with oil leakage in circulating jackets and reduce economical loss.A key part of the instrument is the detector. Its function has close relationship with instrument’s reliability and validity. The theoretical design and structure of the detector are presented in this paper.更多还原