场磨式电场仪在雷电预警中的研究与应用  

Research and Application of Field Mill Electric Field Meter in the Lightning Early Warning

作　　者：宋欣[1] 王克奇[1] 李迪飞[2] 

机构地区：[1]东北林业大学机电工程学院,哈尔滨150040 [2]国家林业局哈尔滨林业机械研究所,哈尔滨150086

出　　处：《自动化与仪表》2011年第2期8-11,共4页Automation & Instrumentation

基　　金：国家公益性行业专项资金项目(200704042)

摘　　要：场磨式电场仪是一种新型雷电探测装置。它利用导体在电场中产生感应电荷的原理,通过感生电荷的变化检验空间电场的强度。而根据空间电场及其变化能反映出雷暴云的生成和发展,从而通过电场监测对雷电进行预警。电场仪采用了新型的双定子结构以及独特的电路设计,有效地屏蔽了空中积累电荷以及周围空间离子流对测量的影响。在实际雷电预警系统的电场测试中,该电场仪表现出输出信号与电场强度的预期相符的实验结果。证明了场磨式电场仪在雷电预警中应用的可行性。The field mill electric field meter is a new type lightning detection equipment.It used the principle of conductor in electric field produce induced charge.Inspection of the space electric field strength through the changes of the induced charge.But can reflect the thunderstorm cloud through the survey space electric field and the change the production and the development,can thus carry on the early warning through the electric field monitoring to the thunder and lightning.Adopting novel double stator structure and unique circuit,the unexpected influence of space charge and ion current is eliminated to negligible level.In electric field tests by lightning early warning systems,the meter output signal shows the expected electric field strength in line with the experimental results.Proved the application of the field mill electric field meter in the lightning early warning is feasible.

关 键 词：场磨式 电荷 电场 雷电预警 

分 类 号：TP216[自动化与计算机技术—检测技术与自动化装置]