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DETECTION OF GAS LEAKAGE USING GSM
Post: #16
To get information about the topic “DETECTION OF GAS LEAKAGE USING GSM” full report ppt and related topic refer the links below


http://project-seminars.com/Thread-detec...3#pid60943

http://project-seminars.com/Thread-gas-a...ystems-ppt
Post: #17
Microcontroller Based LPG Gas Leakage Detector using GSM Module

The presence of dangerous LPG leakage in the cars, service station or in the storage tank environment can be detected using the Ideal Gas Sensor. This LPG gas leakage detector unit can be easily integrated into a unit that can sound an alarm or give a visual suggestion of the LPG concentration. The sensor has both admirable sensitivity and rapid response time. This sensor can also be used to sense other gases like iso-butane, propane, LNG and even cigarette smoke.



The output of the sensor goes LOW as soon as the LPG sensor senses any gas leakage from the storage. This is detected by the microcontroller and the LED & buzzer is turned ON. After the delay of few milliseconds, the exhaust fan is also turned ON for throwing the gas out and it continues sending message as ‘GAS LEAKAGE’ to a mobile number which is pre-defined.


INTRODUCTION
MQ-5 semiconductor sensor is Combustible Gas Sensitive. The MQ-5 gas sensor is made up of SnO2 which has lower conductivity in clean air. A simple electro-circuit is used here which is used to convert the changing conductivity into corresponding output signal of gas concentration. Both Methane and Propane can be detected easily by MQ-5 sensor because it has high sensitivity towards Methane, Propane and Butane. It is a low cost sensor suitable for different application.

BLOCK DIAGRAM FOR LPG GAS LEAKAGE DETECTOR

[Image: LPG-Gas-Detector-Block-Diagram.gif]


BLOCK DIAGRAM DESCRIPTION
MICROCONTROLLER
It is the heart of the project. It is used to control the Exhaust fan, LED and Buzzer when LPG leakage occurs. The input/ output ports of the microcontroller are used for this purpose.

MQ-5 LPG SENSOR
This sensor is used to sense the leakage of LPG. In normal conditions the output of this sensor is ‘high’ and it goes ‘low’, when the LPG is sensed.

EXHAUST FAN
The LPG is pushed out into the environment using an exhaust fan which reduces the concentration of LPG near the leakage area.

Buzzer
The leakage of the LPG is indicated by using the buzzer. It is 12 V DC operated buzzer.

LED
The leakage of the LPG is indicated by using the LED. It is 1.2 V DC operated LED.
[Image: LPG-Gas-Detector-Module.jpg]
Post: #18

What are the design models used for this project??
Post: #19
Leakage of hazardous and flammable gas such as LPG in cars, service stations, homes and storage tanks can be detected using the gas sensor unit. This unit can be easily integrated into a unit that can sound an alarm. The sensor has a high sensitivity and a fast response time. This sensor can also be used to detect other gases such as isobutane, propane and even cigarette smoke. The sensor output goes LOW as soon as the sensor detects any gas leakage in the atmosphere. This is detected by the microcontroller and the buzzer is on. After a delay of a few milliseconds, the exhaust fan also turns on to blow off the gas and the main power supply turns off. A message is sent to a predefined mobile phone number.

Circuit diagram - Gas leak detector using Arduino with GSM module

[Image: Gas_Leakage_Detection_System_with_GSM_Mo..._Alarm.png]
 

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