The Gas Fire Temperature Measurement for Detection of an Object’s Presence on Top of the Burner

Abstract

This article covers the topic of temperature measurement on top of a gas burner fire in order to recognize pot removal from a gas burner and subsequently, to cut off the gas supply. The possibility of applying a factory-mounted thermocouple was investigated with the assumption that its output signal could be used to detect the presence of a pot on a gas burner. However, the characteristic of such a thermocouple is not fully linear and as the research has shown that such a thermocouple would not fit enough for the assumed purpose, thus another sensor needs to be used. Therefore, in this paper, the linear thermocouple and IR diode are used. The best localizations of theses sensors were investigated in order to obtain a signal suitable for the pot presence recognition over the burner. These investigations are supported by the use of an infrared camera. In the investigations, the temperature changes also caused by casual air blast or caused by increasing and decreasing the valve opening are recorded and analyzed. Finally, the changes of the thermocouple’s signals are used as an input signal to propose an algorithm for pot absence recognition over the burner. The microprocessor-based circuit with a control unit for detection of the pot absence is designed, built and investigated.

Development of a smart liquified petroleum gas stove with real-time protection and notification using IoT

“…However, those requirements are a must so that this gas can't cause accidents that are normally appearing in our daily life. Sometimes it happens when the user cooks by using the gas stove and after cooking forgets to turn off the switch then the gas keeps on burning without a saucepan on it (Milecki and Rybarczyk 2020). This issue in the end will cause all equipment in the surroundings to get burnt or the waste of the gas.…”

“…The dangers of keeping a gas fire without a pot on the burner have been tackled [4]. The system monitors the burner and automatically switches off the gas when the pot is removed.…”

“…when using a gas cooker, the users sometimes forget to turn it off and the gas keeps on burning. (Milecki and Rybarczyk 2020) The lack of knowledge also causes many accidents while using LPG gas. As we move towards accessibility of clean cooking energy, integrating IoT technology to the use of LPG stoves will make it even more attractive and thus increase its use's attractiveness.…”

Preliminary Study on Reconstruction of Building Thermal Field Based on Iterative Algorithm Acoustic CT

“…The former has high precision and good timeliness, but can only obtain one-dimensional data (such as a resistance temperature sensor, thermoelectric temperature sensor, blackbody cavity thermal radiation pyrometer, etc.) or two-dimensional data on the surface of the object (such as an infrared thermometer), and lacks the ability to measure space temperature; the latter can simulate disaster changes in advance based on the numerical model of fire dynamics and specific boundary conditions, but the timeliness is poor and cannot support the rescue and evacuation command during a fire [4,5]. Therefore, improving the real-time measurement technology of three-dimensional temperature in building space to realize the global and real-time data presentation of the fire scene is one of the development trends in the field of intelligent fire extinguishing, rescue, and evacuation command of the fire scene.…”

Signal Feature Extraction Method of Three-Band Infrared Flame Sensor

“…1,2 Conventional flame detection methods include smoke sensing 3 and temperature sensing. 4 However, conventional methods are easy to be affected by environmental airflow, poor real-time, slow response, need to wait until the fire development to a certain period of time to be detected, which is not conducive to early warning of fire. Modern fire-detecting technologies include video-image flame detection 5,6 and multi-sensor detection.…”