LPG Gas Sensor Research Articles

Sistem Peringatan Dini Kebakaran Dan Kebocoran Gas LPG Berbasis Notifikasi SMS Gateway

This article discusses the development of an Early Warning System for Fires and LPG Gas Leaks Based on SMS Gateway Notifications which aims to improve safety in the household environment. This system consists of several main components, including a fire sensor, MQ-2 smoke sensor, MQ-6 LPG gas sensor, DHT11 temperature sensor, Arduino Uno as a data processor, and a Wavecom GSM modem as an SMS-based notification sender. This system succeeded in detecting fires at an early stage through fire sensors and smoke sensors, as well as LPG gas leaks through LPG gas sensors. When danger detection occurs, the system provides users with instant SMS-based notifications, giving them valuable time to take necessary precautions or evacuation. The system shows a high level of accuracy in detecting danger, avoiding false alarms that annoy users. User response to this system has been very positive, and SMS notifications are considered very useful in providing early warning. Household safety becomes better thanks to the use of this technology. Additionally, this system has the potential for further development and integration with existing household security systems. In conclusion, this Early Warning System has great potential to improve household safety and security in the future.

Novel BaTiO3/Ag/WO3 nanocomposite as LPG gas sensor: optical, morphological, and dielectric properties

Novel BaTiO3/Ag/WO3 nanocomposite as LPG gas sensor: optical, morphological, and dielectric properties

Machine Learning-Based IOT Air Quality and Pollution Detection

In India, gas leakage from the different factories harmful to human surveying in the last fifty years is very low. However, there is a lack of prior detection of the chemical gases detection system in the situation raised. So, In this regard, there is a gap identification of chemical gases intensity detection needed. In this work, the main objective is to identify chemical gases intensity and maintain the stream data in the database from different locations. To fill this gap, that is identifying the high-intensity chemical gases from the chemical gas disaster areas. The first step needs to identify the different chemical gases and natural gas compositions. In this regard in this work for design internet-based gases in the air system. So, the sensors MQ2(Ethanol i-Butane Methane Alcohol Gas Sensor Sensor), MQ3(Sensitivity Alcohol Detector), MQ4 (Methane and Natural Gas (CNG)), MQ-5 ( LPG GAS SENSOR), MQ-7 (CO Gas Sensor Module Test Carbon Monoxide Detector), MQ-8 (hydrogen Gas Sensor), MQ-9 (carbon monoxide), MQ-135 Sensor(Air Quality Sensor Hazardous Gas Detector) and DHT11 Digital Temperature Humidity Sensors. These sensors are interfacing with the micro-control STM 32 board. It is also called one Pollution identification terminal by using it to pull the sensor stream data from location to centralized data. This stream data transportation is a service to pull the data. For this Data pulling, design an algorithm store into a cloud database. In this research work, design the electronic terminal with a wifi circuit using IoT technologies.Moreover, getting these attributes as data. Data need to apply the preprocessing techniques and extracted feature techniques also. This paper discusses mainly designing the terminal for pollution attributes , cleaning the data, and applying the Machine Learning based Feature extraction techniques.

High-performance LPG sensing behaviour of CoCr2-xCexO4 (x = 0 to 0.02) for sensor applications.

For the first time, the influence of Cerium (Ce3+) on the structural, microstructural, Fourier infrared spectroscopy, and LPG sensing behaviour of CoCr2-xCexO4 (CoCrCe) is described in this study. The solution combustion technique was used to create the CoCrCe samples. All samples were sintered for 3h at 600°C to achieve a pure crystalline nature free of impurities. The production of cubic spinel structures with typical crystallite sizes smaller than 16nm is confirmed by X-ray diffraction. Because compressive lattice strain is created when Ce3+ ions are replaced by Cr3+ ions, we discovered reducing the lattice parameter. Further samples were analysed using the FTIR technique to learn about the octahedral and tetrahedral stretching bands, which confirmed the ferrite structure was free of impurities. Scanning Electron microscopy was used to examine the samples' microstructures. All of the samples were determined to be very porous. Elemental analysis was performed using energy dissipative spectra, which confirmed the presence of all elements in the samples. 2-mol% Ce3+has the best gas sensing characteristics of any Ce concentration. Furthermore, the thin film based on CoCr1.98Ce0.02O4 may be employed as a chemiresistive gas sensor to detect LPG (10-1000ppb) at room temperature. On LPG exposure, the constructed gas sensor demonstrates greater gas sensitivity in the order of 98% at 500ppb, with higher stability, rapid response, and recovery time in the order of 60s and 75s, respectively. This study reports for the first time on the creation of an LPG gas sensor device that operates at room temperature and has high sensitivity. Because of their high gas sensitivity, rapid reaction and recovery times, and long-term stability, these material gas sensors might be ideal materials for the manufacture of gas sensors devices for the detection of LPG low concentration (ppb level).

Natural lemon extract assisted green synthesis of spinel Co3O4 nanoparticles for LPG gas sensor application

A fresh lemon juice-assisted auto-combustion method was implemented for the synthesis of Co3O4 nanoparticles (Co3O4 NPs). The structural, vibrational, optical, and morphological properties of prepared Co3O4 NPs were investigated at 350 °C. The effects of lemon juice and heat treatment on the physicochemical properties of Co3O4 nanoparticles were investigated. XRD was used to investigate the structure, lattice constant, and crystallite size of Co3O4 NPs. Heat treatment at 350 °C causes the crystallite size to increase from 14.4 nm to 23.7 nm. FT-IR spectroscopy was used to investigate the functional groups and vibrational modes of unheated and heated Co3O4 NPs. Unheated and heated Co3O4 NPs had energy band gaps of 3.14 eV and 3.4 eV, respectively. TEM micrographs of heat-treated Co3O4 NPs confirm the nanoscale range of the particles, which agrees well with the crystallite size determined by XRD. The colloidal stability of Co3O4 NPs has been analyzed through zeta potential values, and the obtained values confirm that the colloidal stability of Co3O4 NPs was influenced by heat treatment. LPG based sensor behavior of Co3O4 nanoparticles has been tested with various aspects of sensing parameters. The result shows that the prepared nanoparticles can be a promising sensing material for toxic gases like LPG, CO2 and NH3.

LPG gas sensor activities of CeO2-Fe2O3 nanocomposite thin film at optimum temperature

LPG gas sensor activities of CeO2-Fe2O3 nanocomposite thin film at optimum temperature

Facile strategy to synthesize donut-shaped α-Fe2O3 nanoparticles for enhanced LPG detection

Abstract Donut-shaped hematite (α-Fe2O3) nanoparticles were synthesized using facile chemical colloidal method for the development of high performance LPG gas sensor. Herein, the annealing temperature was used as a tool to regulate the morphology of nanoparticles from non-uniform elongated solid nanoparticles to donut-shaped structures. The structural variations as a function of annealing temperature characterized using high energy synchrotron X-Ray Diffraction and selected area electron diffraction determines preferential orientation of nanoparticles along (104) plane. Owing to its large surface area and porosity, the sensor with donut-shaped morphology exhibited outstanding response enabling efficient detection of LPG gas with concentration as low as 10 ppm at operating temperature 170 °C. The systematic gas sensing experiments performed periodically also demonstrates fast response/recovery, high stability and excellent repeatability towards LPG gas. In addition, the possible sensing mechanism of α-Fe2O3 nanoparticles based gas sensor towards the LPG gas has been discussed.

Microcontroller Based Monitoring and Controlling of LPG Leaks Using Internet of Things

This paper aims to monitor LPG gas leakage continuously at home or in industry. In the event of gas leakage, this information will be updated via IoT communication to the web browser. The user can continuously monitor the data using IoT. The gas sensor that can detect LPG gas is called the MQ06 sensor. IoT, the LPG leak detection system in Arduino senses LPG gas using a LPG gas sensor. This project implements LPG gas sensor interfacing with Arduino. The signal is sent to the Arduino microcontroller from this sensor. A LED, buzzer and IOT module (ESP8266) are connecting the microcontroller. The design for the IoT LPG leak detector implemented using the ESP8266 chip. This Wi-Fi module is designed to connect microcontrollers to a Wi-Fi network and to connect to TCP / IP and send data. Emotion data is then sent to the IoT. The IoT module sends data to the web. The detector is switched on when a gas leak is detected and a “leak” message is displayed on the site. LPG leak detection system based on IoT and Arduino can be installed in homes, hotels and storage areas of LPG cylinder. The main benefits of this project are that it is possible to determine the leakage and to send the data to a website to monitor it and to take corrective measures. When adequate action is taken quickly after reporting on the IoT, it can help save lives and property losses.

Lemon juice (natural fuel) assisted synthesis of MgO nanorods for LPG gas sensor applications

Lemon juice assisted combustion method was adopted to prepare MgO nanorods. The role of heat treatment on structural, morphological and gas sensing properties of MgO NPs has been analyzed. The phase analyses of the samples were analyzed using X-ray Diffraction (XRD). The single-phase nanostructure of MgO nanoparticles has been identified from the XRD spectra. The average crystallite sizes are found to be in the range 7.8 nm–19.2 nm. The nanorod like structure of MgO has been recorded through SEM and TEM. The size of MgO nanostructure recorded from TEM is well matched with the crystallite size calculated by XRD. The lemon assisted synthesis of MgO nanoparticles show noticeable gas sensing properties for various gases. In different aspects, gas sensing response of MgO nanoparticles have been analyzed for different gases. The maximum sensing response ~70% has been recorded for LPG at the optimum temperature (OT) 300 °C with the gas concentrations 1000 ppm.

Development of high sensitivity LPG and NO2 gas sensor based ZnGa2O4/graphene nanoplates hybrid structure - A novel approach

The report is on high performance LPG gas sensor based ZnGa2O4/Graphene (ZGO/GR) structure by using facile hydrothermal approach. The heterostructure was characterized by X-ray diffraction (XRD), Field emission scanning electron microscope (FESEM), Transmission electron microscope (TEM), Raman and Brunauer-Emmett-Teller (BET) analysis. XRD results exposed that ZGO/GR is cubic phase with spinel structure. The fibers and platelets morphologies obtained were ZnGa2O4 and ZGO/GR sample, confirmed through FESEM and TEM analysis. Mesoporous with high porous nature and huge surface area (108 m2/g) of ZGO/GR hybrid samples was confirmed by N2 adsorption-desorption analysis. The resistive sensor was fabricated and the prepared sensors were evaluated towards LPG and NO2 gases with various concentrations at room temperature. The results deliver that the hybrid sensors have excellent sensing performance such as high sensitivity (52%), fast response (32 s) and recovery time (41 s) as well as high stability towards LPG gas. The obtained hybrid sensor is not only high sensitivity, it also high selectivity to LPG gas then other gas spices (NH3, ethanol, ammonia, CO and acetone). The improved mechanism is also proposed in detail.

Implementation and design gas leakage detection system using ATMega8 microcontroller

In Indonesia and many countries for economic reasons and green energy LPG is widely used for cooking. This paper show implementation and design gas leakage detection system. The main objective of the project to build a gas LPG leakage detector using an LPG gas sensor and micro-controller. It developed a security system by providing an early Warning System to give a sign if there is a smell of gas around Home. If this system has been the existence of leakage and smell of LPG gas, then the system will give a sign of alarm or buzzer where if there is leakage of gas that smelling the LPG system will work and the early warning alarm of the system. That the presence of gas leakage signals on the sensors to work, the MQ-6 is the gas Sensor used to detect leakage gas LPG. The tool is designed to detect gas leaks that are then legible on the LCD screen and alarm, and in certain circumstances, the buzzer will sound. This MQ-6 sensor test is performed by measuring the sensor output with the Atmega8 microcontroller when the LPG gas is detected and then writes it on the LCD screen. This test was conducted to determine the contribution of the MQ-6 sensor. It becomes essential to protect gas leakage from damage and accident.

IoT health monitoring system for preventing and controlling risk in confined space using microcontrollers

Healthcare monitoring is a field that caught many researchers from the computer science community in the last decade. In the literature, various levels of people have been considered when proposing a health monitoring system. However, some aspects are still not adequately tackled such as monitoring workers’ health status within confined space where workers would be located in underground environment with less oxygen and a lot of dust. This paper proposes an IoT health monitor system for worker in confined places. The proposed system utilizes four types of microcontroller sensors including LM35 for measuring body temperature, heart beat rate sensor, blood pressure sensor and LPG gas sensor. All the aforementioned sensors are being connected via a GPS module in order to transmit the readings into a smartphone application. A simulation has been conducted to test the proposed sensors where competitive commercial measures have been used as a benchmark. Result of simulation showed that the sensors have fair accuracy that is near-identical to the benchmark.

Wearable Wireless Sensor System with RF Remote Activation for Industrial Applications

These days , Sensors are playing very important role in the world with combination of Wireless Technology.Wireless Sensor System makes the human life simpler and smarter . This emerging Technology helps in Industrial Applications .Safety and Security standards to employee position observation and industrial premises monitoring is also important towards safety Industrials. In this paper we are introducing advanced sensor system called Wearable Wireless Sensor System . It is the combination of Wireless Sensors and Wearable Technology for significant safety enhancement in Industrials. We built up a wearable wireless sensor framework which is appended in a consistent wearable format & utilized to work environment observation. Wireless Sensors are temperature, smoke sensor and LPG Gas sensor. The fundamental element of designed framework is likelihood could be actuated wirelessly through a RF module with radio signal at a frequency of 850MHz to 865MHz .It performs different wearable sensing module framework, for example, changing the framework from rest, estimation, and information transmission modes when outside RF sign is accessible. The exploratory information exhibit that the actuation separation distance is 2.8 m to a RF module with an intensity of 28 dBm. Advanced Wearable System framework can signalize about worker nearness in connection to offices. If any alert through high temperature, smoke or gas leakage RF wireless module alert us through buzzer and we control the same thing through Wireless Technology. All info and out modules are interfaced to ARDUINO Microcontroller with procedure input information and furnish yield with assistance of 5V controlled power supply. In this task we utilized Arduino ide programming to compose c program and accumulating.

Development of LOCAL-IP based Environmental Condition Monitoring using Wireless Sensor Network

Background & Objective: In this paper, environmental monitoring system is implemented using a wireless sensor networking (WSN) via a local internet protocol (IP) utilizing Wi-Fi media. For enchanting data, DHT-11 (Temperature and Humidity sensor) and MQ-6 (LPG gas sensor) are being used. Methods: The basic objective of this research is to monitor and to develop a real-time monitoring of humidity and temperature, as well as the availability of gas using the very available DHT-11 sensor, MQ-6 sensor, and ESP-8266 NodeMCU module and then observe the data from a local IP based webpage. Conclusion: This paper also makes a compact distinction between conventional and the local IP based observing system of an environment. The sensor's data are saved in an IP based webpage by which we can monitor the sensor’s data without any access to the internet.

Nanostructured ZnO films for potential use in LPG gas sensors

The aim of the work was to obtain ZnO nanostructures with heightened surface area and to study relationship between formation method and gas sensor properties towards propane-butane mixture (LPG). In order to synthesize ZnO nanostructures chemical and physical formation methods have been utilized. The first one was chemical bath deposition technology and the second one magnetron sputtering of Zn followed by oxidation. Optimal method and technological parameters corresponding to formation of material with the highest sensor response have been determined experimentally. Dynamical gas sensor response at different temperature values and dependencies of the sensor sensitivity on the temperature at different LPG concentrations in air have been investigated. It has been found, that sensor response depends on the sample morphology and has the highest value for the structure consisting of thin nanowires. The factors that lead to the decrease in the gas sensor operating temperature have been determined.

Wireless Gas Monitoring and Alerting System (WGMAS) for Warehouse using Arduino and Raspberry Pi

Objectives: To devise a gas leakage monitoring and alerting systems for LPG warehouse. Methods/Statistical Analysis: One of the prime areas to monitor the leakages is LPG warehouse. A Wireless Gas Monitoring and Alerting System (WGMAS) is proposed for detecting, monitoring and thereby to provide alerts about the emissions and leakage at the target area of interest inside a warehouse.MQ-2 and MQ-5 LPG gas sensors interfaced with the Arduino sensor nodes are used. The Raspberry Pi gateway uses a hypertext transport protocol to send the data to the Xively cloud. Findings: The developed WGMAS provides an efficient, periodical monitoring and alerting framework for the plants to prevent the explosion due to the leakage. A mobile relay node is designed for the fault tolerance purpose. Improvements: The designed prototype enables the admin of the warehouse to monitor and analyze the status of emission inside the warehouse remotely by utilizing the Io T services and thereby the supervisor of warehouse can have a control over it.

Synthesis, Characterization of Polyaniline/ Lead oxide Nanocomposites and their Electrical, Sensing studies

Lead oxide Polyaniline/nanocomposites were synthesized by In-situ polymerization Technique. The formation of Polyaniline/Lead oxide nanocomposites was characterized by XRD, SEM &TEM. The XRD patterns indicate the crystallite size of PbO as 50 nm. The dc conductivity of the samples was measured as a function of temperature in the range 30-180 °C and it was found that the increasing the concentration of PbO nanoparticles increases the conductivity and also the performance of a room temperature (30 °C) LPG gas sensor based on Polyaniline/Lead oxide nanocomposites were studied.

Development of Microcontroller Based Mobile Gas Sensing Robot

This paper presents the development of a microcontroller based mobile gas sensing robot. The purpose of the robot is to automatically detect gas leakage along a gas transporting pipeline. The developed microcontroller based mobile gas sensor robot is also proposed to reduce the workload of inspection and maintaining gas pipeline. Pipeline gas detection is difficult as it is odourless but very flammable and the pipeline may run thousand kilometres. The combustible property of LPG gas leads to mass destruction of properties and human casualties. The developed mobile gas sensing robot has shown it capability to detect the LPG gas upon a leakage using its LPG gas sensor and also capable of determining the location of leakage from its Ultrasonic sensor. In addition, the robot is capable of traversing the pipeline back and forth without any human intervention. The experiment has shown that the mobile gas sensing robot can acts as a precautionary measure from gas leakage along a pipeline.

Analysis of thickness dependence on the electrical properties of tin dioxide films in the presence of LPG gas

Chloride-based inorganic salt was used to prepare multiple layered tin dioxide thin films by sol–gel method. The deposited films were subjected to SEM, XRD and optical studies. Carrier concentrations of the multiple layered films were studied. A comparative analysis of both undoped and Pd-doped SnO 2 multilayered films has been done in the presence of LPG gas to investigate the possibility of their usage as LPG gas sensors.

Enhanced catalytic activity of nanoscale platinum islands loaded onto SnO2 thin film for sensitive LPG gas sensors

In the present study, different catalysts (∼ 10 nm thick) including metals, noble metals and metal oxides, were loaded in dotted island form over SnO2 thin film for LPG gas detection. A comparison of various catalysts indicated that the presence of platinum dotted islands over SnO2 thin film deposited by r.f. sputtering exhibited enhanced response characteristics with a high sensitivity, ∼ 742, at an operating temperature of ∼ 280°C. Different characterization techniques have been employed such as atomic force microscopy, X-ray diffraction and UV-vis spectroscopy, to study the surface morphology, grain size and optical properties of the deposited thin films. The results suggest the possibility of utilizing the sensor element with the present novel method of catalyst dispersal for the efficient detection of LPG.