【作者】 张洁； 朱永； 谭靖； 陈伟民；

【Author】 Zhang Jie; Zhu Yong; Tan Jin; Chen Weimin (Key Lab of Optoelectronic Technology and System of MOE, College of Optoelectronic Engineering, Chongqing University, Chongqing 400044,China)

【机构】 重庆大学光电工程学院光电技术及系统教育部重点实验室；

【摘要】 分析了采用浮子设计的光电液位传感器的基本原理,在吸收该光电液位传感器优点的基础上,针对这种传感器测量可靠性和准确性受污染影响很大的缺点,提出了利用玻璃管实现柱透镜成像的改进方法,并依据该方法设计了一种新型的桥梁挠度自动检测的光电液位传感器,对传感器进行理论分析、计算机仿真和实验。实验证明,该光电液位传感器设计结构简单,易于实现;液体污染不会降低测量的准确性和可靠性,反而使信号的对比度加强。更多还原

【Abstract】 Based on an advanced photoelectric liquid level sensor studied before, a method utilizing glass tube forming cylinder-mirror is put forward. Detailed theoretical analysis of a new photoelectric liquid level sensor is presented. Computer simulation indicated that this method is realizable. The. experiments show that such design has capability to resisting pollution. It can have an important theoretical meaning and practical value.更多还原