| 矿用红外测温仪镜头窗口防磁设计 |
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| 引用本文： | 李立明,陈影.矿用红外测温仪镜头窗口防磁设计[J].矿山机械,2012(6):120-123. |
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| 作者姓名： | 李立明 陈影 |
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| 作者单位： | 太原中博信息科学研究院(有限公司) |
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| 基金项目： | 国际科技合作项目(2009DFB10570) |
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| 摘 要： | 矿用高压供电设备温度过高时容易发生故障,由于供电设备周围存在大量的感应磁场,影响红外测温仪测量的准确性。红外测温仪的屏蔽外壳的材料为硅钢,镜头窗口处的电磁泄漏是电磁屏蔽效能下降的主要原因。在镜头窗口贴上ITO膜后,仿真得出的屏蔽效能达到了A级50dB以上,满足了屏蔽效能要求,提高了温度测量的准确性。
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| 关 键 词： | 红外测温仪 仿真 电磁屏蔽 屏蔽效能 |
Design of antimagnetic lens window of mine-used infrared thermometers |
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| LI Liming, CHEN Ying.Design of antimagnetic lens window of mine-used infrared thermometers[J].Mining & Processing Equipment,2012(6):120-123. |
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| Authors: | LI Liming CHEN Ying |
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| Affiliation: | Taiyuan Zhongbo Info-science Technology Co.,Ltd.,Taiyuan 030051,Shanxi,China |
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| Abstract: | Overhigh of the hot points on the high-voltage power supply equipment used in the mine easily brings about accidents,and since there are lots of induced magnetic fields around the power supply equipments,the accuracy of the infrared thermometer can not be guaranteed.Silicon steel was selected as the shielding enclosure material of the infrared thermometer,the electromagnetic leakage at the lens window was the main cause of decrease in electromagnetic shielding capacity.After applying ITO film on the lens window,simulated shielding capacity reached 50 dB of grade A,which met the requirement of shielding capacity and improved the accuracy of the temperature measurement. |
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| Keywords: | infrared thermometer simulation electromagnetic shielding shielding capacity |
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