그림 1. 안전모 가스 누출 경보 IoT 시스템 구성도 Fig. 1 Gas leak alarm IoT system configuration diagram for safety helmet
그림 2. 가스 누출 경보 IoT 장치 구성 Fig. 2 Gas leak alarm IoT device configuration
그림 3. 가스 누출 경보 IoT 장치 알고리즘 Fig. 3 Gas leak alarm IoT device algorithm
그림 4. 가스 누출 경보 모바일 앱 알고리즘 Fig. 4 Gas leak alarm mobile app algorithm
그림 5. 가스 누출 경보 IoT 장치 회로 구성 Fig. 5 Gas leak alarm IoT device circuit configuration
그림 6. 가스 누출 경보 IoT 장치 케이스 설계 Fig. 6 Gas leak alarm IoT device case design
그림 7. 가스 누출 경보 IoT 장치 조립 Fig. 7 Gas leak alarm IoT device assembly
그림 8. 현장 작업자 모바일 앱 실행화면 Fig. 8 Mobile app execution screen of on-site operator
그림 9. 안전관리자 모바일 앱 실행화면 Fig. 9 Mobile app execution screen of safety manager
그림 10. 가스 누출 경보 IoT 장치 안전모 장착 Fig. 10 Gas leak alarm IoT device helmet mounted
References
- W. Oh, U. Lee, and J. Oh, "A Development of gas discharge rate and dispersion monitering system," In Proc. of the Korean Institute of Gas Spring Conf., Busan, Korea, May 2018, pp. 171-171.
- D. Cheon, D. Jung, D. Kwak, J. Kim, Y. Park, and S. Lee, "A Study on the USN Sensor Node for Injurious Gas Sensing," Fire Science and Engineering, vol. 2009, no. 11, 2009, pp. 221-226.
- D. Yoo, T. Yoon, W. Jung, and H. Choi, "Private LoRa based Real-time Remote Gas Safety Monitoring System," In Proc. of Symposium of the Korean Institute of Communications and Information Sciences Conf., Jeju, Korea, June 2018, pp. 722-723.
- D. Kim, I, Lee, I. Bang, D. Chun, and I. Kim, "Development of the Smallest, High-accuracy NDIR Methane Sensor Module to Detect Low Concentration," J. of Sensor Science and Technology, vol. 27, no. 3, 2018, pp. 199-203 https://doi.org/10.5369/JSST.2018.27.3.199
- D. Kim, S. Kim, and J. Ryu, "Development of Fire and Gas Leak Detectors using Raspberry Pi and Smoke Sensors," In Proc. of the Korean Institute of Information Technology Summer Conf., Gwangju, Korea, June 2018, pp. 240-242.
- S. Kang, J. Kim, I. Jung, K. Im, and J. Kim, "Plumbing Gas Leak Detector Using Semiconductor Sensor Array and SVM Technology," In Proc. of the Korean Institute of Gas Spring Conf., Busan, Korea, June 2018, pp. 168-168.
- H. Lee, "Design and Implementation of Cattle Behavior Detection System based on Internet of Things," J. of the Korea Institute of Electronic Communication Sciences, vol. 12, no. 6, 2017, pp. 1159-1166. https://doi.org/10.13067/JKIECS.2017.12.6.1159
- H. Lee and J. Oh, "Design and Implementation of a Small Server Room Environment Monitoring System by Using the Arduino," J. of the Korea Institute of Electronic Communication Sciences, vol. 12, no. 2, 2017, pp. 385-390. https://doi.org/10.13067/JKIECS.2017.12.2.385
- B. Min, K. Park, J. Park, H. Kim, and Y. Ko, "Automatic Brake System For Stroller Using Gyro Sensor," J. of the Korea Institute of Electronic Communication Sciences, vol. 12, no. 4, 2017, pp. 599-606. https://doi.org/10.13067/JKIECS.2017.12.4.599