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지그비 기술을 이용한 지하광산 내 실시간 환경 모니터링 시스템 현장 적용 연구

A Study on the Application of Real-time Environment Monitoring System in Underground Mines using Zigbee Technology

  • 박요한 (인하대학교 에너지자원공학과) ;
  • 이학경 (인하대학교 에너지자원공학과) ;
  • 서만근 ((주)고려시멘트) ;
  • 김진 (인하대학교 에너지자원공학과)
  • Park, Yo Han (Department of Energy Resources Engineering, Inha University) ;
  • Lee, Hak Kyung (Department of Energy Resources Engineering, Inha University) ;
  • Seo, Man Keun (Korea cement Co.) ;
  • Kim, Jin (Department of Energy Resources Engineering, Inha University)
  • 투고 : 2019.03.05
  • 심사 : 2019.03.21
  • 발행 : 2019.04.30

초록

최근 전 세계적으로 지하 광산 내 안전관리의 중요성이 부각됨에 따라 실시간 작업자 위치추적, 모니터링 시스템, 원격 제어 등 정보통신기술을 접목한 광산안전관리 기술 개발이 한창 진행 중이다. 이러한 기술들은 네트워크 구축의 유연성을 위해 주로 무선 통신 방식이 적용되고 있으며, 국내에서도 지하 광산 내 무선 통신 네트워크를 통한 모니터링 시스템을 구축한 사례들이 있지만 국내 기준에 맞는 기술 개발이 필요한 실정이다. 따라서 본 연구에서는 지그비 기술을 활용하여 실시간 환경 모니터링 시스템을 개발하고 국내 석회석 광산에 적용한 결과를 고찰하였다. 나아가 개발된 환경 모니터링 시스템을 실시간 통기 모니터링 인터페이스인 $VentSim^{TM}$ LiveView와 연동하여 활용성을 검토하였다. 본 연구는 향후 통기 설비 제어 등 광산 통기 시스템 최적화에 관한 연구에 도움이 될 것으로 기대된다.

In recent years, as safety management in underground mines has become more important in the worldwide, mine safety management technologies combining information communication technology such as real-time worker position tracking, monitoring system and equipment remote control have been developed. Wireless communication system is mainly applied to these technologies for the flexibility of network configuration. There are some cases the monitoring system was installed in domestic underground mines, but, it is necessary to develop the technology more suitable for domestic mining standard. In this study, we developed the real-time environmental monitoring system using ZigBee technology and examined the result of application to domestic limestone mine. Furthermore, applicability of the developed environment monitoring system to $VentSim^{TM}$ LiveView was checked. This study is expected to contribute to the related studies like the optimization of the ventilation system in underground mines.

키워드

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Fig. 1. Smart mine ventilation system companies

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Fig. 2. Zigbee protocol stack

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Fig. 3. The Exterior of Zigbee coordinator (left) and Zigbee router node (right)

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Fig. 4. The exterior (left) and The block diagram (right) of wireless sensor node (Zigbee End-device)

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Fig. 5. X-CTU software (left) and Arduino IDE software (right)

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Fig. 6. Integrated environment monitoring interface

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Fig. 7. Ventilation network in Mine G

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Table 5. WSN topology configuration criteria

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Fig. 8. Position of Zigbee node installation for WSN

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Fig. 9. WSN (Wireless Sensor Network) topology configuration in Mine G

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Table 6. Result of range test in rampway of Mine G

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Fig. 10. Flow diagram of environmental data from Zgibee end-device module to VentSimTM LiveView

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Fig. 11. Example of VentSimTM LiveView software

Table 1. Comparison of common underground WSNs (modified from Moridi et al, 2014)

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Table 2. XBee PRO S2B specification (Digi, 2018(a))

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Table 3. Data sheet of sensors in Zigbee End-device Module

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Table 4. Exposure limit of mine gases (modified from Lee et al, 2018)

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Table 7. Data obtained as a result of the measurements in Mine G

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