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Tape-Type Liquid Leakage Film Sensor

액체누설 감지용 테이프형 필름센서

  • Yu, D.K. (Department of Electrophysics, Kwangwoon University) ;
  • Kim, K.S. (YUMIN System Technology Co.,Ltd) ;
  • Yub, H.K. (YUMIN System Technology Co.,Ltd) ;
  • Han, G.H. (Department of Electrophysics, Kwangwoon University) ;
  • Jin, D.J. (Department of Electrophysics, Kwangwoon University) ;
  • Kim, J.H. (Department of Electrophysics, Kwangwoon University) ;
  • Han, S.H. (Department of Electrophysics, Kwangwoon University) ;
  • Cho, G.S. (Department of Electrophysics, Kwangwoon University)
  • Received : 2010.12.01
  • Accepted : 2011.03.02
  • Published : 2011.03.30

Abstract

The adhesive-tape of a liquid leak film sensor including the alarm system is developed. The sensing film is composed of three layers such as base film layer, conductive line layer, and protection film layer. The thickness of film is 300~500 um, the width is 3.55 cm, and the unit length is 200 m. On the conductive line layer, three conducting lines and one resistive line are formulated by the electronic printing method with a conducting ink of silver-nano size. When a liquid leaks for the electricity to be conducted between the conductive line and the resistive line, the position of leakage is monitored by measuring the voltage varied according to the change of resistance between two lines. The error range of sensing position of 200 m film sensor is ${\pm}1m$.

접착테이프 형태의 액체누설 감지 필름 센서와 이를 이용하고 경보 장치를 포함한 감지 시스템을 개발하였다. 액체누설 감지 필름형 테이프 센서는 베이스 필름층, 전도성 라인층, 보호 필름층으로 구성되며, 테이프의 두께 $300{\sim}500{\mu}m$, 폭 3.55 cm, 그리고 단위 테이프의 길이는 200 m이다. 전도성 라인층의 필름에는 3개의 전도선과 1개의 저항선이 있다. 이들은 도전성 은나노 잉크를 전자인쇄방식으로 설치한다. 이들 저항선과 전도선 사이에 액체가 누설되어 전기적으로 상호 통전되면, 두 선사이의 저항변화를 전압의 변화로 계측하여 누설 위치를 감지한다. 물을 포함한 전도성 액체에 대한 누설 위치 감지에서 길이 200 m에서 오차 범위는 ${\pm}1m$ 이내이다.

Keywords

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Cited by

  1. Liquid Leakage Thin Film-Tape Sensor vol.12, pp.6, 2012, https://doi.org/10.1109/JSEN.2011.2181159