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[1]李维来,张承良.大型储油洞库的光纤高精度遥测技术[J].油气储运,1995,14(2):29-31,49.[doi:10.6047/j.issn.1000-8241.1995.02.013]
Li Weilai,Zhang.Highly Accurate Fibre Remote Inspection Technique for Large Oil Tank Farms[J].Oil & Gas Storage and Transportation,1995,14(2):29-31,49.[doi:10.6047/j.issn.1000-8241.1995.02.013]
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Li Weilai,Zhang.Highly Accurate Fibre Remote Inspection Technique for Large Oil Tank Farms[J].Oil & Gas Storage and Transportation,1995,14(2):29-31,49.[doi:10.6047/j.issn.1000-8241.1995.02.013]
大型储油洞库的光纤高精度遥测技术
《油气储运》[ISSN:1000-8241/CN:13-1093/TE]
卷:
14
期数:
1995年2期
页码:
29-31,49
栏目:
仪表自控
出版日期:
1900-01-01
- Title:
- Highly Accurate Fibre Remote Inspection Technique for Large Oil Tank Farms
- Keywords:
- undeground oil storage; fibre; high accuracy; safety; automation
- 摘要:
- 由于大型洞库的特殊条件,对防火防爆要求极为严格,所以成品油罐液位的检测难以用传统的电信号来实现自动化管理。为减轻手工检测的劳动强度和减少误差,介绍了一种高精度的新型光纤油位遥测技术。它主要由安装在现场的油位传感器以及安装在安全区控制室内的光电转换器、二次仪表、数据显示、计算机数据处理等部分组成。为提高测量精度和可靠性,在机械零部件上采用了加工精确的计量绞轮,以及使光纤编码室完全密封的磁力耦合传动器。为保证可靠和长寿命,采用了红外发光二极管(LED),光敏器件采用大功率光电池(PIN)。为使其误码率为零,二次仪表采用了可以防止任何位置晃动所引起误差的判向电路。经计算机数据处理,可模拟显示各罐当前的液位线,计算并显示、打印各罐的液位、容量、重量、剩余容量等,同时还可设置自动高、低液位报警。可实现国防成品油战略储备管理的现代化。
- Abstract:
- Due to the special condition of large oil tank farm, there are strict requirements for fire control and anti-explosion. Therefore, it is hard to excute automatic management by means of electrical signals for inspecting liquid level of a product oil tank. Introduced in the paper is a new kind of fibre inspection system with which highly accurate liquid level inspection can be performed remotely in order to reduce inspecting errors and labour intensity of manual inspection. This system consists of a level sensor allocated at the site, data display and processing by computers. Accurately processed winch wheels are installed on the mechanical parts as well as the installation of a magnetic coupling actuator to make the fibre code programing cabin be fully sealed so as to increase the accuracy and reliability of remote inspection. To guarantee reliability and long service life, infrared LED and high power photocell (PIN) are adopted. The secondary meter can be provided with direction decisive circuit so as to avoid errors due to any position movement. Through data processing by means of computers, simulation display of the present liquid level line of each tank can be available. Each tank’s level, capacity, weight and remaining capacity can be calculated, displayed and printed out as well as’ availabilities of automatic alarm for ligh/low level, which makes it possible to realize managerial modernization of strategic product oil storage for military defence purpose.
参考文献/References:
1 王万钧.实用机械设计手册.北京:中国农业机械出版社,1985:7.
2 刘德森.纤维光学.北京:科学出版社,1987:426.
3 王明鉴.光缆工程基础.北京:北京邮电学院出版社,1993:77.
4 Francis W Sears. University Physics. Addison-Wesley Publishing Co. Massachusetts, USA. 1976: 163
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备注/Memo
收稿日期:1994-9-27。
作者简介:李维来 工程师,1949年生,1982年毕业于哈滨船舶工程学院动力工程系,现在武汉工业大学光纤传感技术研究与开发中心工作。
更新日期/Last Update:
1900-01-01