本质安全型防爆摄像仪的研发和应用

童建斌

doi:10.3788/YJYXS20163102.0215

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本质安全型防爆摄像仪的研发和应用

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- 本质安全型防爆摄像仪的研发和应用
- Research and application of intrinsically-safe explosion-proof environment camera
- 液晶与显示 2016年31卷第2期页码：215-221
- 作者机构：
  
  四川省达州市中石化中原油田普光分公司生产服务中心,四川达州,635000
- 作者简介：
  
  [ "童建斌(1970-),男,高级工程师,从事通信网络、技术的规划和实施。E-mail:tjblytxabc@sina.com" ]
- 基金信息：
- DOI：10.3788/YJYXS20163102.0215
  中图分类号： TM532.5
- 收稿日期：2015-11-11，
  
  修回日期：2015-12-21，
  
  纸质出版日期：2016-02-05
- 稿件说明：
移动端阅览
童建斌,. 本质安全型防爆摄像仪的研发和应用[J]. 液晶与显示, 2016,31(2): 215-221

TONG Jian-bin,. Research and application of intrinsically-safe explosion-proof environment camera[J]. , 2016,31(2): 215-221
童建斌,. 本质安全型防爆摄像仪的研发和应用[J]. 液晶与显示, 2016,31(2): 215-221 DOI： 10.3788/YJYXS20163102.0215.

TONG Jian-bin,. Research and application of intrinsically-safe explosion-proof environment camera[J]. , 2016,31(2): 215-221 DOI： 10.3788/YJYXS20163102.0215.

摘要

高清4G公网防爆摄像仪系统是为石油化工等高危防爆环境研制的便携移动防爆摄像系统。如何在高清4G模块高发射功率、多储能元件的前提下实现设备的总体防爆指标以满足国家标准是本文解决的重点问题。基于防爆理论

通过提高设备防爆电容设计门限和降低电路容值设计的电容管理手段

对整体设备的储能元件进行了极限防爆限制

优化设计了4G-LTE无线摄像模块的最低储能电容解决方案;利用双半波振子天线列阵技术实现天线设备的发射功率限制硬件保护

采用软件保护手段实现双重防爆保护

从设计原理上保证了研发的高清4G摄像仪满足《GB 3836.1-2000》防爆要求。在保证防爆性能和设备功能的前提下

设备电容容量降低了50%

设备远场电场强度9%。

Abstract

4G-LTE high definition explosion-proof camera system is designed for petroleum

chemical and other high-risk environment. The most difficult point of device design is balancing the equipment features and explosion-proof performance. Based on explosion-proof theory

the design difficulties are equipment circuit capacitance and 4G-LTE transmit power. By increasing the capacitance limitation and reducing circuit

we can solve the high energy storage of explosion-proof circuit. 4G-LTE high definition explosion-proof camera system uses two half-wave dipole antenna array to maximize the transmit performance of device. Software protection achieves double explosion protection. After redesign

the two half-wave dipole antenna array can also enhance 9% effective isotropic radiated power than common antenna and the device can reduce 50% capacitance.

关键词

Keywords

references

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