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Sensors 2016, 16(10), 1568;

A Wireless and Batteryless Intelligent Carbon Monoxide Sensor

National Chip Implementation Center, National Applied Research Laboratories, 7F, No. 26, Prosperity Rd. I, Science Park, Hsinchu City 30078, Taiwan
Author to whom correspondence should be addressed.
Academic Editor: Teen-Hang Meen
Received: 29 May 2016 / Revised: 15 September 2016 / Accepted: 19 September 2016 / Published: 23 September 2016
Full-Text   |   PDF [12693 KB, uploaded 23 September 2016]   |  


Carbon monoxide (CO) poisoning from natural gas water heaters is a common household accident in Taiwan. We propose a wireless and batteryless intelligent CO sensor for improving the safety of operating natural gas water heaters. A micro-hydropower generator supplies power to a CO sensor without battery (COSWOB) (2.5 W at a flow rate of 4.2 L/min), and the power consumption of the COSWOB is only ~13 mW. The COSWOB monitors the CO concentration in ambient conditions around natural gas water heaters and transmits it to an intelligent gateway. When the CO level reaches a dangerous level, the COSWOB alarm sounds loudly. Meanwhile, the intelligent gateway also sends a trigger to activate Wi-Fi alarms and sends notifications to the mobile device through the Internet. Our strategy can warn people indoors and outdoors, thereby reducing CO poisoning accidents. We also believe that our technique not only can be used for home security but also can be used in industrial applications (for example, to monitor leak occurrence in a pipeline). View Full-Text
Keywords: Internet of Things; wireless sensor network; batteryless; carbon monoxide; sensor; embedded system Internet of Things; wireless sensor network; batteryless; carbon monoxide; sensor; embedded system

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Chen, C.-C.; Sung, G.-N.; Chen, W.-C.; Kuo, C.-T.; Chue, J.-J.; Wu, C.-M.; Huang, C.-M. A Wireless and Batteryless Intelligent Carbon Monoxide Sensor. Sensors 2016, 16, 1568.

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