Abstract
Fire hazard has destroyed humanity creations. Fire detectors have been developed by using different techniques. Thermoelectric generator (TEG) is a part of energy harvesting which is able to convert heat into electricity because of temperature difference between hot and cold side of thermoelectric device (TE). Different materials are used for thermoelectric generators which depend on the characteristics of the heat source, heat sink and the design of the thermoelectric generator. Many thermoelectric generator materials are currently undergoing research. This paper presented an investigation of seeking an alternative way of detecting fire hazard by developing architecture prototype of a fire detection technique using natural rubber. The thermoelectric prototype used self-powered device which improved the temperature difference gap and stabilized the cold side of TE alongside natural rubber as the cooling material. The technique is relatively simple system realization based on three viable components, i.e. a heat sensor, a low-power RF-transmitter and a RF-receiver. The heat sensor is designed and fabricated by thermoelectric and heat sink with natural rubber (NR) coating. The NR coating is heat absorption reduction. Therefore, the temperature difference is wildly resulting in the higher TE output voltage. The voltage is also supplied to the low-power RF transmitter module. In case of fire hazard, the temperature increases from 26 to 100 °C , the prototype can operate successfully. This technique will solve potentially the power supply issue in fluctuated situations. The rubber coating from rubber trees in Thailand would be a value chain added for bio-economy, supporting a sustainable development goal of the country
Highlights
In history, fire hazard has destroyed humanity creations and becomes even more danger at the present time due to global warming crisis
These heater sensors consist of coating heat sink 6 models and thermoelectric generators
The F8T10 model is the optimal model which is built in the prototype of self-powered heat detector based on thermoelectric generators
Summary
Fire hazard has destroyed humanity creations and becomes even more danger at the present time due to global warming crisis. There are two methods of fire detection which using heat and smoke detectors [1] These devices are very effective for fire detection. In unfortunate situation such as losing electricity, poor installation and short circuit will cause them to malfunction. Temperature sensor is employed in many applications such as in heat detector [1] for fire hazard or smoke detector for global warming crisis. These sensors are very effective for fire detection. In fluctuated situation such as losing electricity, poor installation and short circuit will cause them to malfunction. As commercially available heat detectors are bulky and consume more external power to drive the electronic devices and temperature sensor, the need for possible self-powered detector for fully viable temperature sensor system has increasingly been motivated [5,6,7,8]
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